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Baudo A, Morra S, Scheipner L, Jannello LMI, de Angelis M, Siech C, Touma N, Goyal JA, Tian Z, Acquati P, Longo N, Ahyai S, de Cobelli O, Briganti A, Chun FKH, Saad F, Shariat SF, Carmignani L, Karakiewicz PI. The effect of married status on cancer-specific mortality in nonmetastatic pelvic liposarcoma patients according to sex. World J Surg 2024; 48:97-103. [PMID: 38686806 DOI: 10.1002/wjs.12040] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 10/26/2023] [Indexed: 05/02/2024]
Abstract
BACKGROUND In nonmetastatic pelvic liposarcoma patients, it is unknown whether married status is associated with better cancer-control outcome defined as cancer-specific mortality (CSM). We addressed this knowledge gap and hypothesized that married status is associated with lower CSM rates in both male and female patients. METHODS Within the Surveillance, Epidemiology, and End Results database (2000-2020), nonmetastatic pelvic liposarcoma patients were identified. Kaplan-Meier plots and univariable and multivariable Cox regression models (CRMs) predicting CSM according to marital status were used in the overall cohort and in male and female subgroups. RESULTS Of 1078 liposarcoma patients, 764 (71%) were male and 314 (29%) female. Of 764 male patients, 542 (71%) were married. Conversely, of 314 female patients, 192 (61%) were married. In the overall cohort, 5-year cancer-specific mortality-free survival (CSM-FS) rates were 89% for married versus 83% for unmarried patients (Δ = 6%). In multivariable CRMs, married status did not independently predict lower CSM (hazard ratio [HR]: 0.74, p = 0.06). In males, 5-year CSM-FS rates were 89% for married versus 86% for unmarried patients (Δ = 3%). In multivariable CRMs, married status did not independently predict lower CSM (HR: 0.85, p = 0.4). In females, 5-year CSM-FS rates were 88% for married versus 79% for unmarried patients (Δ = 9%). In multivariable CRMs, married status independently predicted lower CSM (HR: 0.58, p = 0.03). CONCLUSIONS In nonmetastatic pelvic liposarcoma patients, married status independently predicted lower CSM only in female patients. In consequence, unmarried female patients should ideally require more assistance and more frequent follow-up than their married counterparts.
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Affiliation(s)
- Andrea Baudo
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
- Department of Urology, IRCCS Policlinico San Donato, Milan, Italy
| | - Simone Morra
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
- Department of Neurosciences, Science of Reproduction and Odontostomatology, University of Naples Federico II, Naples, Italy
| | - Lukas Scheipner
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
- Department of Urology, Medical University of Graz, Graz, Austria
| | - Letizia Maria Ippolita Jannello
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
- Department of Urology, IEO European Institute of Oncology, IRCCS, Milan, Italy
| | - Mario de Angelis
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
- Division of Experimental Oncology/Unit of Urology, URI, Urological Research Institute, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Carolin Siech
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
- Department of Urology, Goethe University Frankfurt, University Hospital, Frankfurt am Main, Germany
| | - Nawar Touma
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
| | - Jordan A Goyal
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
| | - Zhe Tian
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
| | - Pietro Acquati
- Department of Urology, IRCCS Policlinico San Donato, Milan, Italy
| | - Nicola Longo
- Department of Neurosciences, Science of Reproduction and Odontostomatology, University of Naples Federico II, Naples, Italy
| | - Sascha Ahyai
- Department of Urology, Medical University of Graz, Graz, Austria
| | - Ottavio de Cobelli
- Department of Urology, IEO European Institute of Oncology, IRCCS, Milan, Italy
| | - Alberto Briganti
- Division of Experimental Oncology/Unit of Urology, URI, Urological Research Institute, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Felix K H Chun
- Department of Urology, Goethe University Frankfurt, University Hospital, Frankfurt am Main, Germany
| | - Fred Saad
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
| | - Shahrokh F Shariat
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
- Department of Urology, Weill Cornell Medical College, New York, New York, USA
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
- Hourani Center of Applied Scientific Research, Al-Ahliyya Amman University, Amman, Jordan
| | - Luca Carmignani
- Department of Urology, IRCCS Policlinico San Donato, Milan, Italy
- Department of Urology, IRCCS Ospedale Galeazzi - Sant'Ambrogio, Milan, Italy
| | - Pierre I Karakiewicz
- Division of Urology, Cancer Prognostics and Health Outcomes Unit, University of Montréal Health Center, Montréal, Québec, Canada
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Bartlett EK, Curtin CE, Seier K, Qin LX, Hameed M, Yoon SS, Crago AM, Brennan MF, Singer S. Histologic Subtype Defines the Risk and Kinetics of Recurrence and Death for Primary Extremity/Truncal Liposarcoma. Ann Surg 2021; 273:1189-1196. [PMID: 31283560 PMCID: PMC7561049 DOI: 10.1097/sla.0000000000003453] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE We sought to define the prognostic significance of histologic subtype for extremity/truncal liposarcoma (LPS). BACKGROUND LPS, the most common sarcoma, is comprised of 5 histologic subtypes. Despite their distinct behaviors, LPS outcomes are frequently reported as a single entity. METHODS We analyzed data on all patients from a single-institution prospective database treated from July 1982 to September 2017 for primary, nonmetastatic, extremity or truncal LPS of known subtype. Clinicopathologic variables were tested using competing risk analyses for association with disease-specific death (DSD), distant recurrence (DR), and local recurrence (LR). RESULTS Among 1001 patients, median follow-up in survivors was 5.4 years. Tumor size and subtype were independently associated with DSD and DR. Size, subtype, and R1 resection were independently associated with LR. DR was most frequent among pleomorphic and round cell LPS; the former recurred early (43% by 3 years), and the latter over a longer period (23%, 3 years; 37%, 10 years). LR was most common in dedifferentiated LPS, in which it occurred early (24%, 3 years; 33%, 5 years), followed by pleomorphic LPS (18%, 3 years; 25%, 10 years). CONCLUSIONS Histologic subtype is the factor most strongly associated with DSD, DR, and LR in extremity/truncal LPS. Both risk and timing of adverse outcomes vary by subtype. These data may guide selective use of systemic therapy for patients with round cell and pleomorphic LPS, which carry a high risk of DR, and radiotherapy for LPS subtypes at high risk of LR when treated with surgery alone.
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Affiliation(s)
- Edmund K. Bartlett
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | | | - Kenneth Seier
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Li-Xuan Qin
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Meera Hameed
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Sam S. Yoon
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Aimee M. Crago
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Murray F. Brennan
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Samuel Singer
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
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Wang S, Zhou Y, Wang H, Ling J. Survival analysis and treatment strategies for limb liposarcoma patients with metastasis at presentation. Medicine (Baltimore) 2021; 100:e25296. [PMID: 33787618 PMCID: PMC8021344 DOI: 10.1097/md.0000000000025296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 03/05/2021] [Indexed: 01/04/2023] Open
Abstract
Limited data exist on patients with limb liposarcoma (LLS) with metastasis at presentation Moreover, the potential prognostic factors of this patient population are poorly documented because of its rarity. Therefore, we conducted this study to evaluate the clinicopathologic characteristics and prognostic factors for patients with metastatic LLS.All patients with LLS with metastasis at presentation from 1975 to 2016 were identified by using the Surveillance, Epidemiology, and End Results (SEER) database. The following clinical data were derived from this clinical database: age, sex, histologic grade, subtype, size of tumor, surgery, radiotherapy, chemotherapy, vital status, cause of death, and survival duration. The Kaplan-Meier method was performed to calculate median survival time and draw survivorship curves. Cox-proportional hazards regression model was used to reveal the statistical independence between various variables.The present study collected 184 cases from SEER database for survival analysis. Mean age was 57.8 years with 63.6% (n = 117) men. The 3-year overall survival (OS) and cancer-specific survival (CSS) rates of this population were 27.8% and 30.1%, respectively. Univariate analysis revealed that age, tumor grade, and surgery were significantly correlated with survival. Sex and tumor size did not reach significant predictor status of survival. Multivariate analysis revealed that age at diagnosis <60, low tumor grade, and local surgery were significantly correlated with improved OS and CSS.Patients with LLS with metastasis at diagnosis experienced quite poor prognosis. Currently, surgery for the primary tumor significantly prolonged the survival of those patients, whereas chemotherapy and radiotherapy need to be further confirmed.
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Affiliation(s)
- Shicheng Wang
- Department of Orthopedics, Ningbo No. 6 Hospital, Ningbo
| | - Yuanxi Zhou
- Department of Orthopedics, Health Community Group of Yuhuan Second People's Hospital, Yuhuan
| | - Haifeng Wang
- Department of Orthopedics, Taizhou Municipal Hospital, Taizhou, Zhejiang, China
| | - Jing Ling
- Department of Orthopedics, Ningbo No. 6 Hospital, Ningbo
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Abstract
Despite the release of anatomic site-specific staging systems for soft tissue sarcomas in the eighth edition of the American Joint Committee on Cancer (AJCC) Cancer Staging Manual, the algorithms for sarcomas arising in the extremities/trunk and retroperitoneum differ only in the staging of lymph node metastasis. The retroperitoneum not only provides a larger potential space for tumor growth before the clinical presentation, but its anatomic complexities complicate surgical resection and adversely affect disease-free survival. Here, we propose a new staging system for MDM2-amplified liposarcomas (well-differentiated and dedifferentiated subtypes) that properly emphasizes retroperitoneal localization, degree of differentiation (histologic subtype), and presence of distant metastasis. A retrospective cohort of 4146 adult patients with surgically resected liposarcoma was extracted from the SEER database to compare the natural history of MDM2-amplified liposarcomas arising in the extremities/trunk or retroperitoneum. Separate training and validation datasets were created, and Cox proportional hazard regression, multivariable nonlinear regression, and nomographic analyses determined the most significant parameters in predicting sarcoma-specific death. A new staging system was derived and its predictive accuracy was compared with the AJCC, eighth edition system using areas under receiver operating characteristic curves and multiple concordance indices. Multivariable analysis showed that dedifferentiation (hazard ratio [HR]=3.7±0.5; P<0.0005), retroperitoneal location (HR=3.2±0.5; P<0.0005), and distant metastasis (HR=2.4±0.6; P=0.002), but not categorized tumor size (pT category), had the largest effects on sarcoma-specific survival. A new staging system based on these predictive factors demonstrated better discrimination between tumor stages, higher concordance with clinical outcomes, and greater predictive accuracy than the AJCC eighth edition staging system (86±1% vs. 83±2%; P=0.005). Statistical analysis of a large national cohort failed to confirm that categorized tumor size is a useful criterion by which to stage MDM2-amplified liposarcoma. A simplified staging system based on anatomic location and dedifferentiation outperforms the current AJCC staging system. Anatomic localization and histologic grade, and not tumor size, should be included in any future liposarcoma-specific staging system.
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Affiliation(s)
- Jonathan J Tucci
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN
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Ye L, Hu C, Wang C, Yu W, Liu F, Chen Z. Nomogram for predicting the overall survival and cancer-specific survival of patients with extremity liposarcoma: a population-based study. BMC Cancer 2020; 20:889. [PMID: 32938431 PMCID: PMC7493333 DOI: 10.1186/s12885-020-07396-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 09/09/2020] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Extremity liposarcoma represents 25% of extremity soft tissue sarcoma and has a better prognosis than liposarcoma occurring in other anatomic sites. The purpose of this study was to develop two nomograms for predicting the overall survival (OS) and cancer-specific survival (CSS) of patients with extremity liposarcoma. METHODS A total of 2170 patients diagnosed with primary extremity liposarcoma between 2004 and 2015 were extracted from the Surveillance, Epidemiology, and End Results (SEER) database. Univariate and multivariate Cox analyses were performed to explore the independent prognostic factors and establish two nomograms. The area under the curve (AUC), C-index, calibration curve, decision curve analysis (DCA), Kaplan-Meier analysis, and subgroup analyses were used to evaluate the nomograms. RESULTS Six variables were identified as independent prognostic factors for both OS and CSS. In the training cohort, the AUCs of the OS nomogram were 0.842, 0.841, and 0.823 for predicting 3-, 5-, and 8-year OS, respectively, while the AUCs of the CSS nomogram were 0.889, 0.884, and 0.859 for predicting 3-, 5-, and 8-year CSS, respectively. Calibration plots and DCA revealed that the nomogram had a satisfactory ability to predict OS and CSS. The above results were also observed in the validation cohort. In addition, the C-indices of both nomograms were significantly higher than those of all independent prognostic factors in both the training and validation cohorts. Stratification of the patients into high- and low-risk groups highlighted the differences in prognosis between the two groups in the training and validation cohorts. CONCLUSION Age, sex, tumor size, grade, M stage, and surgery status were confirmed as independent prognostic variables for both OS and CSS in extremity liposarcoma patients. Two nomograms based on the above variables were established to provide more accurate individual survival predictions for extremity liposarcoma patients and to help physicians make appropriate clinical decisions.
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Affiliation(s)
- Lin Ye
- Department of Orthopedics, 5th Affiliated Hospital, Lishui Municipal Central Hospital, Wenzhou Medical College, Lishui, 323000 Zhejiang China
| | - Chuan Hu
- Medical college, Qingdao University, Qingdao, 266071 Shandong China
| | - Cailin Wang
- Wenzhou Medical College, Wenzhou, 325000 Zhejiang China
| | - Weiyang Yu
- Department of Orthopedics, 5th Affiliated Hospital, Lishui Municipal Central Hospital, Wenzhou Medical College, Lishui, 323000 Zhejiang China
| | - Feijun Liu
- Department of Orthopedics, 5th Affiliated Hospital, Lishui Municipal Central Hospital, Wenzhou Medical College, Lishui, 323000 Zhejiang China
| | - Zhenzhong Chen
- Department of Orthopedics, 5th Affiliated Hospital, Lishui Municipal Central Hospital, Wenzhou Medical College, Lishui, 323000 Zhejiang China
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Shrestha M, Ando T, Chea C, Sakamoto S, Nishisaka T, Ogawa I, Miyauchi M, Takata T. The transition of tissue inhibitor of metalloproteinases from -4 to -1 induces aggressive behavior and poor patient survival in dedifferentiated liposarcoma via YAP/TAZ activation. Carcinogenesis 2019; 40:1288-1297. [PMID: 31074490 DOI: 10.1093/carcin/bgz023] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 01/09/2019] [Accepted: 02/25/2019] [Indexed: 12/17/2022] Open
Abstract
Liposarcoma (LS) is the most common soft-tissue sarcoma. Dedifferentiated liposarcoma (DDLS) shows more aggressive biological behavior than that of well-differentiated liposarcoma (WDLS), so advanced therapeutic agents based on molecular mechanism are urgently needed. Here we show that tissue inhibitors of metalloproteinases (TIMPs) from TIMP-1 to TIMP-4 are differently expressed and regulate yes-associated protein (YAP)/transcriptional co-activator with PDZ binding motif (TAZ) in LS. Database analysis showed high TIMP-1 expression in DDLS patients correlating with poor prognosis, but high TIMP-4 expression in WDLS patients with better prognosis. Stable TIMP-1 knockdown inactivated YAP/TAZ and inhibited proliferation, colony formation and migration in DDLS cells, which was rescued by a constitutive active YAP. However, stable overexpression of TIMP-1 showed the opposite in WDLS cells. Stable TIMP-4 knockdown activated YAP/TAZ and promoted proliferation and migration in WDLS cells, which was suppressed by YAP/TAZ inhibitor (verteporfin) or knockdown of YAP/TAZ. Recombinant TIMP-4 showed opposite results in DDLS cells. These results indicate that dedifferentiation in LS shifts the expression of TIMPs from type 4 to type 1, inducing more aggressive behavior and poor prognosis through YAP/TAZ activation, which can be prognostic markers and therapeutic targets for LS patients.
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Affiliation(s)
- Madhu Shrestha
- Department of Oral and Maxillofacial Pathobiology, Basic Life Science, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Toshinori Ando
- Department of Oral and Maxillofacial Pathobiology, Basic Life Science, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Chanbora Chea
- Department of Oral and Maxillofacial Pathobiology, Basic Life Science, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Shinnichi Sakamoto
- Department of Oral and Maxillofacial Pathobiology, Basic Life Science, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Takashi Nishisaka
- Department of Pathology Clinical Laboratory, Hiroshima Prefectural Hospital, Hiroshima, Japan
| | - Ikuko Ogawa
- Center of Oral Clinical Examination, Hiroshima University Hospital, Hiroshima, Japan
| | - Mutsumi Miyauchi
- Department of Oral and Maxillofacial Pathobiology, Basic Life Science, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Takashi Takata
- Department of Oral and Maxillofacial Pathobiology, Basic Life Science, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
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Bill KLJ, Seligson ND, Hays JL, Awasthi A, Demoret B, Stets CW, Duggan MC, Bupathi M, Brock GN, Millis SZ, Shakya R, Timmers CD, Wakely PE, Pollock RE, Chen JL. Degree of MDM2 Amplification Affects Clinical Outcomes in Dedifferentiated Liposarcoma. Oncologist 2019; 24:989-996. [PMID: 31019022 DOI: 10.1634/theoncologist.2019-0047] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 03/22/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Dedifferentiated liposarcomas (DDLPS) are mesenchymal tumors associated with universally poor response to treatment. Genomic amplification of murine double minute 2 (MDM2) is used as a diagnostic biomarker; however, no established biomarkers exist to guide DDLPS treatment. In the largest study of its kind, we report that the extent of MDM2 amplification, not simply the presence of MDM2 amplification, may be biologically important to the actions of DDLPS. PATIENTS AND METHODS The distribution of MDM2 amplification in DDLPS was assessed using data from a commercial sequencing laboratory (n = 642) and The Cancer Genome Atlas (n = 57). Data from two retrospective clinical trials (n = 15, n = 16) and one prospective clinical trial (n = 25) were used to test MDM2's utility as a clinical biomarker. in vitro and in vivo assessments were conducted in DDLPS cell lines. RESULTS Genomic MDM2 amplification follows a highly reproducible log-normal distribution. In patients with DDLPS treated with complete tumor resection, elevated MDM2 was associated with shortened time to recurrence as measured by genomic amplification (p = .003) and mRNA expression (p = .04). In patients requiring systemic therapy, higher MDM2 amplification was associated with reduced overall survival (p = .04). Doxorubicin treatment of DDLPS cells in vitro demonstrated variable sensitivity based on baseline MDM2 levels, and doxorubicin treatment elevated MDM2 expression. In vivo, treatment with doxorubicin followed by an MDM2 inhibitor improved doxorubicin sensitivity. CONCLUSION MDM2 amplification levels in DDLPS follow a reproducible distribution and are associated with clinical outcomes and drug sensitivity. These results suggest that a prospective study of MDM2 as a predictive biomarker in DDLPS is warranted. IMPLICATIONS FOR PRACTICE No validated biomarkers exist for treatment selection in dedifferentiated liposarcoma (DDLPS). Although murine double minute 2 (MDM2) is currently used for diagnosis, the clinical relevance of MDM2 amplification has yet to be fully assessed. This study found that MDM2 amplification follows a predictable distribution in DDLPS and correlates with clinical and biological outcomes. These data suggests that MDM2 amplification may be a useful biomarker in DDLPS.
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Affiliation(s)
- Kate Lynn J Bill
- Division of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, Ohio, USA
- Wexner Medical Center and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Nathan D Seligson
- Wexner Medical Center and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - John L Hays
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio, USA
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The Ohio State University, Columbus, Ohio, USA
| | - Achal Awasthi
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Bryce Demoret
- Department of Biomedical Informatics, The Ohio State University, Columbus, Ohio, USA
| | - Colin W Stets
- Department of Biomedical Informatics, The Ohio State University, Columbus, Ohio, USA
| | - Megan C Duggan
- Wexner Medical Center and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Manojkumar Bupathi
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Guy N Brock
- Department of Biomedical Informatics, The Ohio State University, Columbus, Ohio, USA
| | | | - Reena Shakya
- Wexner Medical Center and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Cynthia D Timmers
- Wexner Medical Center and Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, USA
| | - Paul E Wakely
- Department of Pathology, The Ohio State University, Columbus, Ohio, USA
| | - Raphael E Pollock
- Division of Surgical Oncology, Department of Surgery, The Ohio State University, Columbus, Ohio, USA
| | - James L Chen
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, Ohio, USA
- Department of Biomedical Informatics, The Ohio State University, Columbus, Ohio, USA
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8
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Muratori F, Frenos F, Bettini L, Matera D, Mondanelli N, Scorianz M, Cuomo P, Scoccianti G, Beltrami G, Greto D, Livi L, Baldi G, Roselli G, Capanna R, Campanacci DA. Liposarcoma: Clinico-pathological analysis, prognostic factors and survival in a series of 307 patients treated at a single institution. J Orthop Sci 2018; 23:1038-1044. [PMID: 30007495 DOI: 10.1016/j.jos.2018.06.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 05/13/2018] [Accepted: 06/03/2018] [Indexed: 12/27/2022]
Abstract
BACKGROUND AND OBJECTIVES Liposarcoma (LPS) is a malignant mesenchymal tumor and the most common soft tissue sarcoma. Four different subtypes are described: well differentiated (WD) LPS or atypical lipomatous tumor (ALT), dedifferentiated (DD) LPS, myxoid LPS, and pleomorphic LPS (PLS). The objective of the study was to investigate prognostic factors and clinical outcome of liposarcoma. METHODS We retrospectively examined the clinico-pathological features of a series of 307 patients affected by Liposarcoma at a mean follow-up of 69 months (range 6-257). ALT/WD LPS were analyzed separately. The influence of site, size, type of presentation, grading, histotype and local recurrence on local and systemic control and survival was assessed. RESULTS The statistical analysis indicated that only surgical margins represented a significant prognostic factor for local recurrence in ALT/WD LPS (P = 0.0007) and other subtypes of LPS (P = 0.0055). In myxoid, PLS and DD LPS, significant prognostic factors for metastasis free survival (MFS) were surgical margins (P = 0.0009), size of the tumor (P = 0.0358), histology (P = 0.0117) and local recurrence (P = 0.0015). In multivariate analysis, surgical margins (0.0180), size (0.0432) and local recurrence (0.0288) correlated independently with MFS. Margins (P = 0.0315), local recurrence (P = 0.0482) and metastases (P < 0.0001) were prognostic factors for overall survival (OS). CONCLUSION Marginal surgery can be an accepted treatment for ALT/WD LPS. In other liposarcoma subtypes (Myxoid, DD, PLS) wide or radical surgery is recommended as the margins significantly influence local recurrence-free survival (LRFS), metastasis-free survival (MFS) and overall survival (OS). Local recurrence and metastases were significant prognostic factors for OS.
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Affiliation(s)
- Francesco Muratori
- Azienda Ospedaliera Universitaria Careggi Firenze, Ortopedia Oncologica e Ricostruttiva, Firenze, Italy.
| | - Filippo Frenos
- Azienda Ospedaliera Universitaria Careggi Firenze, Ortopedia Oncologica e Ricostruttiva, Firenze, Italy
| | - Leonardo Bettini
- Azienda Ospedaliera Universitaria Careggi Firenze, Ortopedia Oncologica e Ricostruttiva, Firenze, Italy
| | - Davide Matera
- Azienda Ospedaliera Universitaria Careggi Firenze, Ortopedia Oncologica e Ricostruttiva, Firenze, Italy
| | - Nicola Mondanelli
- Azienda Ospedaliera Universitaria Careggi Firenze, Ortopedia Oncologica e Ricostruttiva, Firenze, Italy
| | - Maurizio Scorianz
- Azienda Ospedaliera Universitaria Careggi Firenze, Ortopedia Oncologica e Ricostruttiva, Firenze, Italy
| | - Pierluigi Cuomo
- Azienda Ospedaliera Universitaria Careggi Firenze, Ortopedia Oncologica e Ricostruttiva, Firenze, Italy
| | - Guido Scoccianti
- Azienda Ospedaliera Universitaria Careggi Firenze, Ortopedia Oncologica e Ricostruttiva, Firenze, Italy
| | - Giovanni Beltrami
- Azienda Ospedaliera Universitaria Careggi Firenze, Ortopedia Oncologica e Ricostruttiva, Firenze, Italy
| | - Daniela Greto
- Azienda Ospedaliera Universitaria Careggi Firenze, Radioterapia, Firenze Italy
| | - Lorenzo Livi
- Azienda Ospedaliera Universitaria Careggi Firenze, Radioterapia, Firenze Italy
| | - Giacomo Baldi
- Azienda Ospedaliera di Prato, Oncologia, Prato Italy
| | - Giuliana Roselli
- Azienda Ospedaliera Universitaria Careggi Firenze, Radiologia, Firenze Italy
| | - Rodolfo Capanna
- Azienda Ospedaliero Universitaria Pisana, Dipartimento di Ortopedia, Pisa, Italy
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Ikoma N, Roland CL, Torres KE, Chiang YJ, Wang WL, Somaiah N, Mann GN, Hunt KK, Cormier JN, Feig BW. Salvage Surgery for Recurrent Retroperitoneal Well-Differentiated Liposarcoma: Early Reoperation may not Provide Benefit. Ann Surg Oncol 2018; 25:2193-2200. [PMID: 29520652 PMCID: PMC6030482 DOI: 10.1245/s10434-018-6417-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Indexed: 01/08/2023]
Abstract
PURPOSE Current evidence regarding salvage resection for recurrent retroperitoneal (RP) sarcomas generally lacks detailed histology-specific analyses, but the aggressiveness of these tumors varies widely by histology. We investigated associations between timing and extent of salvage surgery and survival outcomes in patients with recurrent RP well-differentiated liposarcoma (WDLPS). METHODS The University of Texas MD Anderson Cancer Center Surgical Oncology sarcoma database was reviewed to identify patients with RP WDLPS who underwent surgical resection for first recurrent disease (salvage surgery) in 1995-2015. Medical records were retrospectively reviewed to identify factors associated with overall survival and disease-free survival. RESULTS We identified 52 patients who underwent salvage surgery for RP WDLPS for first local recurrence; 28 (54%) underwent salvage surgery within 6 months after recurrence. Concomitant organ resections were performed in 32 (62%) patients, 4 (13%) of whom had pathologic invasion of resected organs. After R0/R1 resections (n = 45), 38 (84%) experienced a second local recurrence. Multivariable analyses revealed that organ invasion at the primary surgery [hazard ratio (HR) 13.08; p = 0.005] and disease-free interval < 1 year (HR 3.64; p = 0.044) were associated with shorter overall survival. Recurrence-to-salvage interval < 6 months was associated with shorter disease-free survival (HR 2.18; p = 0.025). Concomitant organ resection was associated with a longer hospital stay: ≥ 14 days (odds ratio 21.58; p = 0.007). CONCLUSIONS Early salvage surgery may not always be the best approach for recurrent RP WDLPS patients. Because organ invasion is rare among recurrent RP WDLPS patients and concomitant organ resection is associated with a longer hospital stay, preservation of uninvolved organs should be considered.
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Affiliation(s)
- Naruhiko Ikoma
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Christina L Roland
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Keila E Torres
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yi-Ju Chiang
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Wei-Lien Wang
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Neeta Somaiah
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Gary N Mann
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Kelly K Hunt
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Janice N Cormier
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Barry W Feig
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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Fichera D, Luciano R, Nini A, Freschi M, Doglioni C, Bertini R, Montorsi F, Capitanio U. Clinical and pathological characteristics of a series of patients with newly diagnosed primary renal liposarcoma: natural history and effect on survival. ARCH ESP UROL 2018; 71:555-558. [PMID: 29991665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
OBJECTIVES Primary renal liposarcoma is an unusual malignant mesenchymal tumor. In this context, all the previous reports were based on cases with insufficient data regarding the natural history of the disease. We decided to fill this gap, reporting the largest single institution series of patients with primary RL and a review of the already available literature. METHODS We describe 3 cases with radiologically and histologically-confirmed RL out of 3,224 surgeries performed for primary kidney cancers over 28 years (1987-2015, 0.09%) at a single tertiary care center. RESULTS Patients underwent open radical nephrectomy with an anterior transperitoneal access with complete resection of the retroperitoneal mass and retroperitoneal lymph node dissection; all patients died from tumor progression after a mean time of 45 months. CONCLUSIONS In conclusion, RL is a very rare mesenchymal renal tumor, with sporadic cases reported. We reported the largest case series of primary RL. The most appropriate approach for RL is nephrectomy with complete resection of all the neoplastic tissue. Stringent follow-up scheme is required due to a high rate of disease recurrence and progression. The role of adjuvant and salvage therapy remains to be investigated.
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Affiliation(s)
- Domenico Fichera
- Division of Experimental Oncology. URI. Urological Research Institute. Renal cancer Unit. IRCCS San Raffaele Scientific Institute. Milan. Italy
| | - Roberta Luciano
- Unit of Pathology. University Vita-Salute San Raffaele. IRCCS San Raffaele Scientific Institute. Milan. Italy
| | - Alessandro Nini
- Division of Experimental Oncology. URI. Urological Research Institute. Renal cancer Unit. IRCCS San Raffaele Scientific Institute. Milan. Italy.Unit of Urology. University Vita-Salute San Raffaele. IRCCS San Raffaele Scientific Institute. Milan. Italy
| | - Massimo Freschi
- Unit of Pathology. University Vita-Salute San Raffaele. IRCCS San Raffaele Scientific Institute. Milan. Italy
| | - Claudio Doglioni
- Unit of Pathology. University Vita-Salute San Raffaele. IRCCS San Raffaele Scientific Institute. Milan. Italy
| | - Roberto Bertini
- Division of Experimental Oncology. URI. Urological Research Institute. Renal cancer Unit. IRCCS San Raffaele Scientific Institute. Milan. Italy.Unit of Urology. University Vita-Salute San Raffaele. IRCCS San Raffaele Scientific Institute. Milan. Italy
| | - Francesco Montorsi
- Division of Experimental Oncology. URI. Urological Research Institute. Renal cancer Unit. IRCCS San Raffaele Scientific Institute. Milan. Italy.Unit of Urology. University Vita-Salute San Raffaele. IRCCS San Raffaele Scientific Institute. Milan. Italy
| | - Umberto Capitanio
- Division of Experimental Oncology. URI. Urological Research Institute. Renal cancer Unit. IRCCS San Raffaele Scientific Institute. Milan. Italy.Unit of Urology. University Vita-Salute San Raffaele. IRCCS San Raffaele Scientific Institute. Milan. Italy
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12
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Gilbert JA. Pazopanib for advanced liposarcoma. Lancet Oncol 2017; 18:e564. [PMID: 28844815 DOI: 10.1016/s1470-2045(17)30663-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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13
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Rhu J, Cho CW, Lee KW, Park H, Park JB, Choi YL, Kim SJ. Single-center experience with intra-abdominal liposarcoma: Optimal minimum duration for postoperative remnant tumor screening. Medicine (Baltimore) 2017; 96:e7537. [PMID: 28816941 PMCID: PMC5571678 DOI: 10.1097/md.0000000000007537] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
This study sought to identify factors related to the prognosis of intra-abdominal liposarcoma and to determine the optimal minimum duration for remnant tumor screening. Intra-abdominal liposarcoma is associated with high rates of incomplete resection and recurrence requiring a sophisticated follow-up strategy.Patients who underwent surgery for intra-abdominal liposarcoma were included. Cox analyses were used to analyze factors related to recurrence and survival. To determine the optimal minimum duration for remnant tumor screening, patients with recurrence after surgery despite gross complete resection were grouped by a postoperative detection time of 1, 3, or 6 months. Their survivals were compared to the gross incomplete resection group.A total of 168 patients were included. Kaplan-Meier 5-year disease-free survival was 35.9% and overall survival was 66.5%. Multiplicity (HR=2.528, CI=1.585-4.033, P < .001), organ invasion (HR = 1.628, CI = 1.020-2.598, P = .041), and FNCLCC grades (G2,HR = 1.730, CI = 1.000-2.994; G3, HR = 3.812, CI = 2.112-6.880, P < .001) were related to recurrence. Multiplicity (HR = 2.131, CI = 1.050-4.329, P = .036), organ resection ≥3 (HR = 2.857, CI = 1.322-6.174, P = .008), gross incomplete resection (HR = 4.368, CI = 1.890-10.097, P = .001), positive margin (HR = 2.766, CI = 1.367-5.600, P = .005), FNCLCC grade (G2,HR = 2.044, CI = 0.937-4.459; G3,HR = 4.470, CI = 1.893-10.557; P = .003), and RT (HR = 0.322, CI = 0.160-0.648, P = .001) were related to overall survival. Dividing patients into 1 month (P = .097) and 3 months (P = 0.063) did not yield significant differences in univariate analyses, whereas 6 months showed significant difference (P = .015) compared to the gross incomplete resection group. Patients with tumors detected within 6 months showed similar survival to the gross incomplete resection group (HR = 0.552, CI = 0.241-1.260, P = .158), whereas patients with tumor detection after 6 months showed better survival (HR = 0.325, CI = 0.149-0.708, P = .005).In conclusion, minimum duration of 6 months for remnant tumor screening using CT seems optimal.
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Affiliation(s)
| | | | | | | | | | - Yoon-La Choi
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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14
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Derbel O, Heudel PE, Cropet C, Meeus P, Vaz G, Biron P, Cassier P, Decouvelaere AV, Ranchere-Vince D, Collard O, De Laroche E, Thiesse P, Farsi F, Cellier D, Gilly FN, Blay JY, Ray-Coquard I. Survival impact of centralization and clinical guidelines for soft tissue sarcoma (A prospective and exhaustive population-based cohort). PLoS One 2017; 12:e0158406. [PMID: 28158190 PMCID: PMC5291382 DOI: 10.1371/journal.pone.0158406] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Accepted: 06/15/2016] [Indexed: 12/15/2022] Open
Abstract
Purpose The outcome of sarcoma has been suggested in retrospective and non-exhaustive studies to be better through management by a multidisciplinary team of experts and adherence to clinical practice guidelines (CPGs). The aim of this prospective and exhaustive population based study was to confirm the impact of adherence to CPGs on survival in patients with localized sarcoma. Experimental design Between 2005 and 2007, all evaluable adult patients with a newly diagnosis of localized sarcoma located in Rhone Alpes region (n = 634), including 472 cases of soft-tissue sarcoma (STS), were enrolled. The prognostic impact of adherence to CPGs on progression-free survival (PFS) and overall survival (OS) was assessed by multivariate Cox model in this cohort. Results The median age was 61 years (range 16–92). The most common subtypes were liposarcoma (n = 133, 28%), unclassified sarcoma (n = 98, 20.7%) and leiomyosarcoma (n = 69, 14.6%). In the initial management phase, from diagnosis to adjuvant treatment, the adherence to CPGs for patients with localized STS was 36% overall, corresponding to 56%, 85%, 96% and 84% for initial surgery, radiation therapy, chemotherapy and follow-up, respectively. Adherence to CPGs for surgery was the strongest independent prognostic factor of PFS, along with age, gender, grade, and tumor size. For OS, multivariate analysis adherence to CPGs for surgery was a strong independent prognostic factor, with an important interaction with a management in the regional expert centers. Conclusions This study demonstrates impact of CPGs and treatment within an expert center on survival for STS patients in a whole population-based cohort.
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Affiliation(s)
- Olfa Derbel
- Department of Medical Oncology, Centre Léon Bérard, Lyon, France
- * E-mail:
| | | | - Claire Cropet
- Department of Biostatistics, Centre Léon Bérard, Lyon, France
| | - Pierre Meeus
- Department of Surgery, Centre Léon Bérard, Lyon, France
- Groupe Sarcome Français, Groupe d’Etude des Tumeurs Osseuses (GSF-GETO), Lyon France
| | - Gualter Vaz
- Department of Surgery, Centre Léon Bérard, Lyon, France
- Groupe Sarcome Français, Groupe d’Etude des Tumeurs Osseuses (GSF-GETO), Lyon France
- Department of Orthopedic Surgery, Clinique des IRIS, Lyon, France
| | - Pierre Biron
- Department of Medical Oncology, Centre Léon Bérard, Lyon, France
| | - Philippe Cassier
- Department of Medical Oncology, Centre Léon Bérard, Lyon, France
| | | | - Dominique Ranchere-Vince
- Groupe Sarcome Français, Groupe d’Etude des Tumeurs Osseuses (GSF-GETO), Lyon France
- Department of Pathology, Centre Léon Bérard, Lyon, France
| | - Olivier Collard
- Groupe Sarcome Français, Groupe d’Etude des Tumeurs Osseuses (GSF-GETO), Lyon France
- Institut de Cancérologie Lucien Neuwirth, Saint-Priest en Jarez, France
| | - Eric De Laroche
- Institut de Cancérologie Lucien Neuwirth, Saint-Priest en Jarez, France
| | | | | | - Dominic Cellier
- Department of Medical Oncology, Centre Léon Bérard, Lyon, France
| | | | - Jean-Yves Blay
- Department of Medical Oncology, Centre Léon Bérard, Lyon, France
- Groupe Sarcome Français, Groupe d’Etude des Tumeurs Osseuses (GSF-GETO), Lyon France
- Réseau Espace Santé Cancer, Rhône-Alpes, France
- Claude Bernard University, Lyon, France
- Laboratoire HESPER EA 7425, Lyon 1 University, Lyon, France
| | - Isabelle Ray-Coquard
- Department of Medical Oncology, Centre Léon Bérard, Lyon, France
- Groupe Sarcome Français, Groupe d’Etude des Tumeurs Osseuses (GSF-GETO), Lyon France
- Réseau Espace Santé Cancer, Rhône-Alpes, France
- Claude Bernard University, Lyon, France
- Laboratoire HESPER EA 7425, Lyon 1 University, Lyon, France
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15
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Molina G, Hull MA, Chen YL, DeLaney TF, De Amorim Bernstein K, Choy E, Cote G, Harmon DC, Mullen JT, Haynes AB. Preoperative radiation therapy combined with radical surgical resection is associated with a lower rate of local recurrence when treating unifocal, primary retroperitoneal liposarcoma. J Surg Oncol 2016; 114:814-820. [PMID: 27634478 DOI: 10.1002/jso.24427] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 08/15/2016] [Indexed: 11/12/2022]
Abstract
BACKGROUND AND OBJECTIVES Local recurrence (LR) is the primary cause of death in patients with retroperitoneal liposarcoma (RP-LPS). The purpose of this study was to evaluate if the addition of preoperative radiation therapy (XRT) to radical resection for RP-LPS at a single institution was associated with improved LR. METHODS This retrospective analysis included patients with unifocal, primary RP-LPS who underwent complete R0/R1 resection at a single institution between 1991 and 2013. Multiple patient, tumor, and surgeon characteristics were tested to evaluate their association to LR (recurrence in the retroperitoneal space). We used competing risk hazards regression to evaluate the effect of preoperative XRT on the probability of LR. RESULTS There were 41 patients with liposarcoma histology whose tumors included entirely well-differentiated (N = 13), de-differentiated components (n = 26), myxoid (n = 1), and NOS (n = 1). Preoperative XRT was significantly associated with a lower probability of LR (HR 0.11, 95%CI 0.01-0.91, P = 0.04) and a higher 5-year local recurrence-free survival (95.6%, 95%CI 72.4-99.4%, vs. 75.0%, 95%CI 40.8-91.2%; P = 0.0213), but not with 5-year distant recurrence-free survival or disease-specific survival. CONCLUSIONS Preoperative XRT combined with complete R0/R1 resection for unifocal, primary RP-LPS was associated with improved LR and it should be considered in the multimodality treatment of RP-LPS. J. Surg. Oncol. 2016;114:814-820. © 2016 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- George Molina
- Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - Melissa A Hull
- Division of Surgical Oncology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
| | - Yen-Lin Chen
- Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Thomas F DeLaney
- Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | | | - Edwin Choy
- Division of Hematology and Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Gregory Cote
- Division of Hematology and Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - David C Harmon
- Division of Hematology and Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - John T Mullen
- Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - Alex B Haynes
- Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts.
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Tran D, Verma K, Ward K, Diaz D, Kataria E, Torabi A, Almeida A, Malfoy B, Stratford EW, Mitchell DC, Bryan BA. Functional genomics analysis reveals a MYC signature associated with a poor clinical prognosis in liposarcomas. Am J Pathol 2015; 185:717-28. [PMID: 25622542 DOI: 10.1016/j.ajpath.2014.11.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 11/17/2014] [Accepted: 11/20/2014] [Indexed: 11/19/2022]
Abstract
Liposarcomas, which are malignant fatty tumors, are the second most common soft-tissue sarcomas. Several histologically defined liposarcoma subtypes exist, yet little is known about the molecular pathology that drives the diversity in these tumors. We used functional genomics to classify a panel of diverse liposarcoma cell lines based on hierarchical clustering of their gene expression profiles, indicating that liposarcoma gene expression profiles and histologic classification are not directly correlated. Boolean probability approaches based on cancer-associated properties identified differential expression in multiple genes, including MYC, as potentially affecting liposarcoma signaling networks and cancer outcome. We confirmed our method with a large panel of lipomatous tumors, revealing that MYC protein expression is correlated with patient survival. These data encourage increased reliance on genomic features in conjunction with histologic features for liposarcoma clinical characterization and lay the groundwork for using Boolean-based probabilities to identify prognostic biomarkers for clinical outcome in tumor patients.
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Affiliation(s)
- Dat Tran
- Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas
| | - Kundan Verma
- Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas
| | - Kristin Ward
- Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas
| | - Dolores Diaz
- Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas
| | - Esha Kataria
- Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas
| | - Alireza Torabi
- Department of Pathology, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas
| | | | | | - Eva W Stratford
- Cancer Stem Cell Innovation Centre and the Department of Tumor Biology, Institute of Cancer Research, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway
| | - Dianne C Mitchell
- Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas
| | - Brad A Bryan
- Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas.
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Schack LH, Mouritsen LS, Elowsson C, Krarup-Hansen A, Safwat A. The Danish experience with trabectedin treatment for metastatic sarcoma: Importance of hyponatremia. Acta Oncol 2015; 54:34-40. [PMID: 25263179 DOI: 10.3109/0284186x.2014.958530] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
BACKGROUND Trabectedin was in Europe approved for treatment of metastatic soft tissue sarcoma (STS) in 2007 based on results of a phase II study with relatively few patients. The purpose of this nationwide retrospective study was to assess efficacy and safety of using trabectedin in the entire unselected cohort of patients with metastatic sarcoma and to test known, as well as new prognostic factors that may affect overall survival (OS). PATIENTS AND METHODS Between January 2008 and April 2013, 117 patients were treated with trabectedin for metastatic sarcoma in the three specialized sarcoma centers in Denmark. Known prognostic factors such as age, gender and performance status, the histopathology as well as other new factors such as response to previous chemotherapy and hyponatremia were tested. RESULTS Median age was 59 years. Lipo- and leiomysosarcomas (L-sarcomas) represented 43% of the cases and 18% had hyponatremia before the start of trabectedin. The median number of previous lines of chemotherapy was two (range 0-6) and the median number of chemotherapy cycles given before trabectedin was nine (range 0-85). The median number of trabectedin cycles was three (range 1-17). The median OS for the whole cohort was seven months. Poor performance status, non-L-sarcomas, and hyponatremia were statistically significant adverse prognostic factors with median survival of: 4, 5, and 2 months compared to 9, 12 and 13 months, respectively. Moreover, having achieved clinical benefit [complete response (CR), partial response (PR) or stable disease (SD)] from previous chemotherapy was a favorable prognostic factor for response to trabectedin. In multivariate analysis hyponatremia was the only independent significant poor prognostic factor affecting OS. CONCLUSIONS This retrospective study confirmed the previously published safety and efficacy of trabectedin in patients with metastatic sarcoma and showed hyponatremia to be a strong independent statistically significant poor prognostic factor.
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Affiliation(s)
- Line H Schack
- Department of Oncology, Aarhus University Hospital , Aarhus C , Denmark
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Trovik LH, Ovrebo K, Almquist M, Haugland HK, Rissler P, Eide J, Engellau J, Monge OR, Nyhus AB, Elde IK, Jebsen NL. Adjuvant radiotherapy in retroperitoneal sarcomas. A Scandinavian Sarcoma Group study of 97 patients. Acta Oncol 2014; 53:1165-72. [PMID: 25000415 DOI: 10.3109/0284186x.2014.921723] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Currently there is no consensus on the use of adjuvant radiotherapy (RT) in retroperitoneal sarcoma (RPS). We have analysed clinical outcomes in patients with localised RPS treated at two Scandinavian Sarcoma Group (SSG) centres: Haukeland University Hospital (HUH), Bergen, Norway and Skåne University Hospital (SUH), Lund, Sweden to clarify the effects of adjuvant RT on local control and overall survival (OS). MATERIAL AND METHODS Local databases and registers at HUH and SUH as well as the SSG central register were used to identify RPS patients. Patients with localised RPS who underwent surgery in Bergen between 1988 and 2009 and in Lund from 1998 to 2009 were included. Medical records were examined for clinical data, tumour characteristics, treatment factors and follow-up status. Archived tumour sections and tumour tissue were reviewed, and when necessary, restained and reclassified. Cox regression was used to analyse the association of potential prognostic factors with local recurrence-free survival (LRFS), metastasis-free survival (MFS) and OS. RESULTS The study included 97 patients: 52 from Norway and 45 from Sweden. The proportion of high-grade tumours was 73%. The five-year LRFS, MFS and OS were 55%, 59% and 60%, respectively. RT was significantly associated with improved local control resulting in a five-year LRFS of 77% compared with 39% without (p < 0.001). Furthermore, five-year OS was 71% in the RT group in contrast to 52% with surgery alone (p = 0.019). In the adjusted analysis RT proved to be a significant factor also for MFS (HR = 0.42, 95% CI 0.20-0.88, p = 0.021). In addition, high-grade malignancy, large tumour and positive surgical margin were risk factors for local recurrence. High malignancy grade was the only significant adverse prognostic factor for metastasis. High age and high-grade malignancy were negative prognostic factors for OS. CONCLUSION Adjuvant RT was significantly associated with an improved five-year LRFS and OS.
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Affiliation(s)
- Linn H Trovik
- Department of Clinical Science, Faculty of Medicine and Dentistry, University of Bergen , Bergen , Norway
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Cassier PA, Kantor G, Bonvalot S, Lavergne E, Stoeckle E, Le Péchoux C, Meeus P, Sunyach MP, Vaz G, Coindre JM, Linassier C, Labib A, Delcambre C, Bay JO, Leyvraz S, Dubergé T, Lagrange JL, Duret A, Blay JY. Adjuvant radiotherapy for extremity and trunk wall atypical lipomatous tumor/well-differentiated LPS (ALT/WD-LPS): a French Sarcoma Group (GSF-GETO) study. Ann Oncol 2014; 25:1854-1860. [PMID: 24914041 DOI: 10.1093/annonc/mdu202] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023] Open
Abstract
BACKGROUND The role of adjuvant radiotherapy (RT) in the management of atypical lipomatous tumor/well-differentiated liposarcoma (ALT/WD-LPS) remains controversial. METHODS Two hundred eighty-three patients with operable ALT/WD-LPS, no history of previous cancer, chemotherapy (CT) or RT, treated between 1984 and 2011 registered in the Conticabase database were included and described. Overall (OS), progression-free survival (PFS) and time to local relapse (TTLR) were evaluated from the time of first treatment. RESULTS Three of 20 centers enrolled 58% of the patients. Median age at diagnosis was 61 (range 25-94) years, 147 patients (52%) were males, 222 (78%) patients had their primary tumor located in an extremity while 36 (13%) and 25 (9%) had tumors involving the girdle and the trunk wall, respectively. The median size of primary tumors was 17 cm (range 2-48 cm). Adjuvant RT was given to 132 patients (47%). Patients who received adjuvant RT had larger tumors (P = 0.005), involving more often the distal limbs (P < 0.001). Use of adjuvant RT varied across centers and along the study period. Other characteristics were balanced between the two groups. Median follow-up was 61.7 months. None of the patients developed metastasis during follow-up. The 5-year local relapse-free survival rates were 98.3% versus 80.3% with and without adjuvant RT, respectively (P < 0.001). Once stratified on time period (before/after 2003), adjuvant RT, tumor site and margin status (R0 versus other) were independently associated with TTLR. No OS difference was observed (P = 0.105). CONCLUSION In this study, adjuvant RT following resection of ALT/WD-LPS was associated with a reduction of LR risk.
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Affiliation(s)
- P A Cassier
- Department of Medical Oncology, Centre Léon Bérard, Lyon; INSERM UMR5286, Centre de Recherche en Cancérologie de Lyon, Université de Lyon, Lyon.
| | - G Kantor
- Department of Radiotherapy, Institut Bergonié, Bordeaux
| | - S Bonvalot
- Department of Surgery, Institut Gustave Roussy, Villejuif
| | - E Lavergne
- Department of Biostatistics, Centre Léon Bérard, Lyon
| | - E Stoeckle
- Department of Surgery, Institut Bergonié, Bordeaux
| | - C Le Péchoux
- Department of Radiotherapy, Institut Gustave Roussy, Villejuif
| | | | - M-P Sunyach
- Department of Radiotherapy, Centre Léon Bérard, Lyon
| | - G Vaz
- Department of Surgery, Hopital Edouard Herriot, Lyon
| | - J-M Coindre
- Department of Pathology, Institut Bergonié, Bordeaux
| | - C Linassier
- Department of Medical Oncology, Centre Hospitalier Universitaire, Tours
| | - A Labib
- Department of Radiotherapy, Institut Curie, Paris
| | - C Delcambre
- Department of Medical Oncology, Centre François Balcesse, Caen
| | - J-O Bay
- Department of Medical Oncology, Centre Hospitalier Universitaire, Clermont Ferrand, France
| | - S Leyvraz
- Department of Medical Oncology, Centre Hospitalier Universitaire, Lauzanne, Switzerland
| | - T Dubergé
- Department of Radiotherapy, Hôpital La Timone, Marseille
| | - J-L Lagrange
- Department of Radiotherapy, Hôpital Henri Mondor, Paris, France
| | - A Duret
- Department of Medical Oncology, Centre Léon Bérard, Lyon
| | - J-Y Blay
- Department of Medical Oncology, Centre Léon Bérard, Lyon; INSERM UMR5286, Centre de Recherche en Cancérologie de Lyon, Université de Lyon, Lyon
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Toulmonde M, Bonvalot S, Ray-Coquard I, Stoeckle E, Riou O, Isambert N, Bompas E, Penel N, Delcambre-Lair C, Saada E, Lecesne A, Le Péchoux C, Blay JY, Piperno-Neumann S, Chevreau C, Bay JO, Brouste V, Terrier P, Ranchère-Vince D, Neuville A, Italiano A. Retroperitoneal sarcomas: patterns of care in advanced stages, prognostic factors and focus on main histological subtypes: a multicenter analysis of the French Sarcoma Group. Ann Oncol 2014; 25:730-734. [PMID: 24496921 PMCID: PMC4433509 DOI: 10.1093/annonc/mdt576] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2013] [Revised: 12/03/2013] [Accepted: 12/04/2013] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Retroperitoneal sarcomas (RPS) are heterogeneous. Advanced stages include unresectable locoregional (LR) disease, abdominal sarcomatosis and distant metastasis. There is no available report assessing palliative chemotherapy in advanced RPS. This study analyzes management and outcome in a large cohort of patients with advanced RPS, considering main histological subtypes separately. PATIENTS AND METHODS We conducted a retrospective analysis of adult patients diagnosed with a RPS between 1 January 1988 and 31 December 2008 across 12 centers of the French Sarcoma Group. All cases were centrally reviewed by an expert pathologist. RESULTS Five-hundred eighty-six patients were included, 299 patients received palliative chemotherapy, with a median of two lines (range 0-8). Fifty patients underwent palliative surgery. Two hundred fifty-five patients (85%) were assessable for response after first line of chemotherapy. Among them, 69 patients (27%) had progressive disease, 145 (57%) had stable disease, 37 (14.5%) had partial response and 4 (1.5%) complete response. Median time from first line of palliative chemotherapy to progression was 5.9 months [4.9-7.3] and median overall survival (OS), 15.8 months [13-18]. In multivariate analysis, prognosis factors independently associated with poor OS were male gender, performance status (PS) >1 and grade >1. There was no difference according to stage of disease. Palliative surgery did not appear to add any survival benefit. CONCLUSION These results emphasize the scarcity of available options for RPS in the advanced setting and the urgent need to develop new strategies. Patients with good PS should be included in clinical trials and best supportive care should be considered in those with poor PS.
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Affiliation(s)
- M Toulmonde
- Department of Medical Oncology, Institut Bergonié, Bordeaux.
| | - S Bonvalot
- Department of Surgical Oncology, Institut Gustave Roussy, Villejuif
| | - I Ray-Coquard
- Department of Medical Oncology, Centre Léon Bérard, Lyon
| | - E Stoeckle
- Department of Surgical Oncology, Institut Bergonié, Bordeaux
| | - O Riou
- Department of Radiation Oncology, Institut Régional du Cancer Montpellier, Montpellier
| | - N Isambert
- Department of Medical Oncology, Centre Georges François Leclerc, Dijon
| | - E Bompas
- Department of Medical Oncology, Centre René Gauducheau, Nantes
| | - N Penel
- Department of Medical Oncology, Centre Oscar Lambret, Lille
| | | | - E Saada
- Department of Medical Oncology, Centre Antoine Lacassagne, Nice
| | | | - C Le Péchoux
- Radiation Oncology, Institut Gustave Roussy, Villejuif
| | - J Y Blay
- Department of Medical Oncology, Centre Léon Bérard, Lyon
| | | | - C Chevreau
- Department of Medical Oncology, Centre Claudius Regaud, Toulouse
| | - J O Bay
- Department of Medical Oncology, Centre Jean Perrin, Clermont-Ferrand
| | - V Brouste
- Department of Clinical and Epidemiological Research, Institut Bergonié, Bordeaux
| | - P Terrier
- Department of Pathology, Institut Gustave Roussy, Villejuif
| | | | - A Neuville
- Department of Pathology, Institut Bergonié, Bordeaux, France
| | - A Italiano
- Department of Medical Oncology, Institut Bergonié, Bordeaux
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21
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Toulmonde M, Bonvalot S, Méeus P, Stoeckle E, Riou O, Isambert N, Bompas E, Jafari M, Delcambre-Lair C, Saada E, Le Cesne A, Le Péchoux C, Blay JY, Piperno-Neumann S, Chevreau C, Bay JO, Brouste V, Terrier P, Ranchère-Vince D, Neuville A, Italiano A. Retroperitoneal sarcomas: patterns of care at diagnosis, prognostic factors and focus on main histological subtypes: a multicenter analysis of the French Sarcoma Group. Ann Oncol 2014; 25:735-742. [PMID: 24567518 PMCID: PMC4433510 DOI: 10.1093/annonc/mdt577] [Citation(s) in RCA: 119] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2013] [Revised: 12/04/2013] [Accepted: 12/05/2013] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Retroperitoneal sarcomas (RPS) are heterogeneous. No previous study has investigated the impact of specialized surgery, evaluated locoregional relapse (LRR), abdominal sarcomatosis and distant metastatic relapse as separate events, or considered histological subtypes separately. This study addresses these specific points in a homogeneous cohort of patients with completely resected primary RPS. PATIENTS AND METHODS We conducted a retrospective analysis of adult patients diagnosed with a RPS between 1 January 1988 and 31 December 2008 and eventually referred to one of 12 centers of the French Sarcoma Group. All cases were centrally reviewed by an expert pathologist. RESULTS Five hundred eighty-six patients were included. Median follow-up was 6.5 years [95% confidence interval (CI) 5.9-7.1]. Five hundred thirty-seven patients had localized disease and 389 patients (76%) had macroscopically complete resection of the tumor. In this latter group, the 5-year LRR-free survival rate was 46% [41-52] and the 5-year overall survival (OS) rate was 66% [61-71]. In multivariate analysis, gender, adjacent organ involvement, specialization of the surgeon, piecemeal resection and perioperative radiotherapy were independently associated with LRR. Specialization of the surgeon and piecemeal resection were independently associated with abdominal sarcomatosis whereas histology and adjacent organ involvement were independently associated with distant metastasis. Age, gender, grade, adjacent organ involvement and piecemeal resection were significantly associated with OS. Prognostic factors for LRR and OS were analyzed in well-differentiated and dedifferentiated liposarcomas and leiomyosarcomas. Grade 3 was an independent prognostic factor for OS of dedifferentiated liposarcomas. CONCLUSION This study underlines the crucial role of pretherapeutic assessment and meticulous histological examination of RPS as well as the need to consider histological subtypes separately. Surgery in a specialized center and avoidance of piecemeal resection stand out as the two most important prognostic factors for RPS and highlight the importance of treating these patients in specialized centers.
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Affiliation(s)
- M Toulmonde
- Department of Medical Oncology, Institut Bergonié, Bordeaux.
| | - S Bonvalot
- Department of Surgical Oncology, Institut Gustave Roussy, Villejuif
| | - P Méeus
- Department of Surgical Oncology, Centre Léon Bérard, Lyon
| | - E Stoeckle
- Department of Surgical Oncology, Institut Bergonié, Bordeaux
| | - O Riou
- Department of Radiation Oncology, Institut Régional du Cancer Montpellier, Montpellier
| | - N Isambert
- Department of Medical Oncology, Centre Georges François Leclerc, Dijon
| | - E Bompas
- Department of Medical Oncology, Centre René Gauducheau, Nantes
| | - M Jafari
- Department of Medical Oncology, Centre Oscar Lambret, Lille
| | | | - E Saada
- Department of Medical Oncology, Centre Antoine Lacassagne, Nice
| | | | - C Le Péchoux
- Radiation Oncology, Institut Gustave Roussy, Villejuif
| | - J Y Blay
- Department of Medical Oncology, Centre Léon Bérard, Lyon
| | | | - C Chevreau
- Department of Medical Oncology, Centre Claudius Regaud, Toulouse
| | - J O Bay
- Department of Medical Oncology, Centre Jean Perrin, Clermont-Ferrand
| | - V Brouste
- Department of Clinical and Epidemiological Research, Institut Bergonié, Bordeaux
| | - P Terrier
- Department of Pathology, Institut Gustave Roussy, Villejuif
| | | | - A Neuville
- Department of Pathology, Institut Bergonié, Bordeaux, France
| | - A Italiano
- Department of Medical Oncology, Institut Bergonié, Bordeaux
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Jia B, Choy E, Cote G, Harmon D, Ye S, Kan Q, Mankin H, Hornicek F, Duan Z. Cyclin-dependent kinase 11 (CDK11) is crucial in the growth of liposarcoma cells. Cancer Lett 2013; 342:104-12. [PMID: 24007862 DOI: 10.1016/j.canlet.2013.08.040] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 08/07/2013] [Accepted: 08/24/2013] [Indexed: 01/02/2023]
Abstract
Liposarcoma is the second most common soft tissue sarcoma in adults, but treatment options have been quite limited thus far. In this study, we investigated the functional and therapeutic relevance of cyclin-dependent kinase 11 (CDK11) as a putative target in liposarcoma. CDK11 knockdown by synthetic siRNA or lentiviral shRNA decreased cell proliferation, and induced apoptosis in liposarcoma cells. Moreover, CDK11 knockdown enhances the cytotoxic effect of doxorubicin to inhibit cell growth in liposarcoma cells. These findings suggest that CDK11 is critical for the growth and proliferation of liposarcoma cells. CDK11 may be a promising therapeutic target for the treatment of liposarcoma patients.
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Affiliation(s)
- Bin Jia
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA; Department of Pharmacology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Lu W, Lau J, Xu MD, Zhang Y, Jiang Y, Tong HX, Zhu J, Lu WQ, Qin XY. Recurrent abdominal liposarcoma: Analysis of 19 cases and prognostic factors. World J Gastroenterol 2013; 19:4045-4052. [PMID: 23840151 PMCID: PMC3703193 DOI: 10.3748/wjg.v19.i25.4045] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2012] [Revised: 02/08/2013] [Accepted: 03/27/2013] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the clinical outcome of re-operation for recurrent abdominal liposarcoma following multidisciplinary team cooperation.
METHODS: Nineteen consecutive patients who had recurrent abdominal liposarcoma underwent re-operation by the retroperitoneal sarcoma team at our institution from May 2009 to January 2012. Patient demographic and clinical data were reviewed retrospectively. Multidisciplinary team discussions were held prior to treatment, and re-operation was deemed the best treatment. The categories of the extent of resection were as follows: gross total resection (GTR), palliative resection and partial resection. Surgical techniques were divided into discrete lesion resection and combined contiguous multivisceral resection (CMR). Tumor size was determined as the largest diameter of the specimen. Patients were followed up at approximately 3-monthly intervals. For survival analysis, a univariate analysis was performed using the Kaplan-Meier method, and a multivariate analysis was performed using the Cox proportional hazards model.
RESULTS: Nineteen patients with recurrent abdominal liposarcoma (RAL) underwent 32 re-operations at our institute. A total of 51 operations were reviewed with a total follow-up time ranging from 4 to 120 (47.4 ± 34.2) mo. The GTR rate in the CMR group was higher than that in the non-CMR group (P = 0.034). CMR was positively correlated with intra-operative bleeding (correlation coefficient = 0.514, P = 0.010). Six cases with severe postoperative complications were recorded. Patients with tumor sizes greater than 20 cm carried a significant risk of profuse intra-operative bleeding (P = 0.009). The ratio of a highly malignant subtype (dedifferentiated or pleomorphic) in recurrent cases was higher compared to primary cases (P = 0.027). Both single-factor survival using the Kaplan-Meier model and multivariate analysis using the Cox proportional hazards model showed that overall survival was correlated with resection extent and pathological subtype (P < 0.001 and P = 0.02), however, relapse-free interval (RFI) was only correlated with resection extent (P = 0.002).
CONCLUSION: Close follow-up should be conducted in patients with RAL. Early re-operation for relapse is preferred and gross resection most likely prolongs the RFI.
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Stilidi IS, Nikulin MP, Nered SN, Davydov MM, Bolotskiĭ VI, Gubina GI. [Combined operations by retroperitoneal liposarcomas]. Khirurgiia (Mosk) 2013:20-25. [PMID: 23887257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Retrospective analysis of 228 patients with retroperitoneal liposarcoma, operated on in the Russian Oncology Center during 1971-2010, has been done. Of 223 performed operations, 124 were combined, i.e., required multi-organ resection. The kidney was the most frequently removed organ both in cases of primary and recurrent tumors. 10-year survival rate was 26% after combined operations and 35% after surgery, they did not need the multiorgan resection.
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Nered SN, Stilidi IS, Klimenkov AA, Bolotskiĭ VI, Anurova OA. [Clinico-morphological properties and surgical treatment results in retroperitoneal liposarcomas]. Vopr Onkol 2012; 58:94-100. [PMID: 22629837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The separate clinico-morphological features of nonorganic retroperitoneal liposarcoma (NRL) and their prognostic value were studied in 200 patients. The type of primary NRL is histologically erentiated in 65.5%, myxoid in 16.1%, dedifferentiated in 9.2%, pleomorphic in 4.6% and mixed in 2.3%. There is a positive elation between overall survival, lyposarcoma hystologic type < 0.007) and completeness of tumor resection (p < 0.0008). Differentiated and myxoid NRL with cell volume less than 5.0% are characterized by better prognosis. Myxoid NRL with cell volume more than 5.0%, dedifferentiated and pleomorphic NRL types are unfavorable prognostic factors. Radical surgical resectio leads to 5-year and 10-year overall survival of 57.5% and 7.8%. Palliative surgery lead to worse results with 3-year and 5-year overall survival of 50.0% and 31.8% respectively. Therefore, the most important prognostic factors in NRL are histological type and completeness of resection.
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Italiano A, Toulmonde M, Cioffi A, Penel N, Isambert N, Bompas E, Duffaud F, Patrikidou A, Lortal B, Le Cesne A, Blay JY, Maki RG, Schwartz GK, Antonescu CR, Singer S, Coindre JM, Bui B. Advanced well-differentiated/dedifferentiated liposarcomas: role of chemotherapy and survival. Ann Oncol 2011; 23:1601-7. [PMID: 22039081 DOI: 10.1093/annonc/mdr485] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Data regarding the role of systemic therapy in patients with advanced well-differentiated/dedifferentiated liposarcomas (WDLPS/DDLPS) are limited. METHODS From 2000 to 2010, 208 patients with advanced WDLPS/DDLPS received chemotherapy in 11 participating institutions. Clinical and pathological data were collected by reviewing medical records. RESULTS Median age was 63 years (range 32-84). Combination chemotherapy was delivered in 85 cases (41%) and single agent in 123 cases (59%), respectively. One hundred and seventy-one patients (82%) received an anthracycline-containing regimen. Using RECIST, objective response was observed in 21 patients (12%), all treated with anthracyclines. Median progression-free survival (PFS) was 4.6 months [95% confidence interval (CI) 3.3-5.9]. On multivariate analysis, age and performance status (PS) were the sole factors significantly associated with poor PFS. Median overall survival (OS) was 15.2 months (95% CI 11.8 -18.7). On multivariate analysis, grade and PS were the sole factors significantly associated with OS. CONCLUSIONS Chemotherapy was associated with clinical benefit in 46% of patients with advanced WDLPS/DDLPS. OS remains poor, even though visceral metastatic disease is less frequent than in other sarcomas.
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Affiliation(s)
- A Italiano
- Department of Medical Oncology, Institut Bergonié, Bordeaux, France.
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Pakos EE, Gogou PV, Apostolikas N, Batistatou A, Tsekeris PG. Factors associated with outcome in liposarcomas of the extremities and trunk. J BUON 2010; 15:518-523. [PMID: 20941821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
PURPOSE Liposarcomas are malignant tumors that arise from primitive mesenchymal cells rather than mature adipose tissue. We aimed to evaluate the outcomes of patients with extremities and superficial trunk liposarcomas in relation to some clinicopathological factors. METHODS Sixty-three surgically treated patients with liposarcoma, with mean age 53 years, were included in this study. The 5-and 10-year survival rates were analyzed with respect to local recurrences, distant metastases and death with the Kaplan-Meier method. Cox models estimated univariate and multivariate hazard ratios for each candidate predictor of interest. RESULTS The 5-year overall survival was 77.8% (95% CI 65.5-87.3) and the 10-year overall survival was 63.5% (95% CI 50.4-75.3). The 5-and 10-year recurrence-free survival were 60% and 57%, respectively. The 5-and 10-year metastasis-free survival were 86% and 84%, respectively. In univariate analysis factors that were significantly associated with outcomes were grade III tumors, amputation procedures, use of chemotherapy and development of local recurrences. No significant association was observed in multivariate analysis. CONCLUSION Patients with liposarcoma surviving for 5 years, have also a high probability to be alive at 10 years. The development of metastases is observed within the first 5-years from diagnosis. Metastatic disease after that period is rare. The possibility of local recurrence is not negligible after the 5th year of follow up.
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Affiliation(s)
- E E Pakos
- Department of Radiation Therapy, University of Ioannina, School of Medicine, Ioannina, Greece.
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Ng YCS, Tan MH. Liposarcoma of the extremities: a review of the cases seen and managed in a major tertiary hospital in Singapore. Singapore Med J 2009; 50:857-861. [PMID: 19787170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
INTRODUCTION Liposarcoma is one of the more common types of soft tissue sarcomas, presenting with a wide spectrum of clinical behaviour. However, there is little information on the outcome, management and survivability of patients with extremity liposarcoma in Singapore. METHODS A retrospective review of all the patients with extremity liposarcoma, diagnosed between 1997 and 2007, was performed. Univariate and multivariate statistics were used on the data to evaluate the clinical presentations, treatment, outcome and survivability of patients seen. RESULTS Over a ten-year period, 30 patients were seen for primary liposarcoma of the extremities. Three patients dropped out and 27 were managed and followed-up. Management included surgery and/or radiotherapy. Histological subtypes included 14 (51.9 percent) well-differentiated, five (18.5 percent) myxoid, four (14.8 percent) de-differentiated, and two (7.4 percent) each of round cell and pleomorphic variants. Four patients (14.8 percent) developed local or metastatic recurrent disease. The mean follow-up was 53 months, and the survival rate with primary disease at 53 months was 92.6 percent. The recurrence-free survival for primary disease at 53 months was 85.2 percent. CONCLUSION Liposarcoma of the extremities is relatively rare compared to other major soft tissue tumours. It is a highly pleomorphic disease, whose outcome is dependent on the histological subtype. Limb-sparing management includes wide resection of the tumour with/without radiation postoperatively.
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Affiliation(s)
- Y C S Ng
- Department of Orthopaedic Surgery, Singapore General Hospital, Outram Road, Singapore 169608.
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Barreto-Andrade JC, Medina-Franco H. Serum albumin is an independent prognostic factor for survival in soft tissue sarcomas. Rev Invest Clin 2009; 61:198-204. [PMID: 19736808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
BACKGROUND Soft tissue sarcomas are rare tumors with a wide clinical spectrum. Prognostic factors for survival have been identified, but they have been focused in the characteristics of the tumor. Patient related variables have not usually been considered in previous analysis. METHODS We analyzed a group of 61 patients with soft tissue sarcomas. Tumor related variables and patient related ones were recorded. Overall and disease free survival were calculated according to the Kaplan and Meier method. Prognostic factors for survival were determined by the log-rank method for univariate analysis and the Cox method for multivariate analysis. RESULTS Clinical and demographic characteristics are comparable to those of previous reports. Adverse prognostic factors for overall survival in multivariate analysis were advanced stage, high tumor grade, irresecability, and serum albumin. Size, high surgical risk (ASA III-IV) and a low performance status (Karnofsky less than 70) were predictive of overall survival only in univariate analysis. For disease free survival, only high tumor grade had statistical significance. CONCLUSIONS Besides the usual tumor related prognostic factors, such as grade and stage, patient related factors, such as performance status and surgical risk should be considered when predicting survival. Specifically, serum albumin was an independent prognostic factor for overall survival.
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Affiliation(s)
- Juan Camilo Barreto-Andrade
- Dirección de Cirugía, Sección de Cirugía Oncológica, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, México, DF
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Bispo Júnior RZ, Camargo OPD, Oliveira CRGCMD, Filippi RZ, Baptista AM, Caiero MT. Prognostic factors and expression of MDM2 in patients with primary extremity liposarcoma. Clinics (Sao Paulo) 2008; 63:157-64. [PMID: 18438568 PMCID: PMC2664204 DOI: 10.1590/s1807-59322008000200002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2007] [Accepted: 07/07/2007] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE The objective of this study was to investigate MDM2 (murine double minute 2) protein expression and evaluate its relationship with some anatomical and pathological aspects, aiming also to identify prognostic factors concerning local recurrence-free survival, metastasis-free survival and overall survival in patients with primary liposarcomas of the extremities. MATERIALS AND METHODS Of 50 patients with primary liposarcomas of the extremities admitted to a Reference Service, between 1968 and 2004, 25 were enrolled in the study, following eligibility and exclusion criteria. RESULTS The adverse factors that influenced the risk for local recurrence in the univariant analysis included male sex (P = 0.023), pleomorphic histological subtype (P = 0.027), and high histological grade (P = 0.007). Concerning metastasis-free survival, age less than 50 years (P = 0.040), male sex (P = 0.040), pleomorphic subtype (P < 0.001), and high histological grade (P = 0.003) had a worse prognosis. Adverse factors for overall survival were age under 50 years (P = 0.040), male sex (P = 0.040), pleomorphic subtype (P < 0.001), and high histological grade (P = 0.003). CONCLUSIONS There was no correlation between immunohistochemically observed MDM2 protein expressions and the anatomical and pathological variables studied. The immunohistochemical expression of MDM2 protein was not considered to have a prognostic value for any of the surviving patients in this study (local recurrence-free survival, metastasis-free survival, or overall survival). The immunoexpression of MDM2 protein was a frequent event in the different subtypes of liposarcomas.
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Alford SH, Vrana MS, Waite L, Heim-Hall J, Sylvia VL, Williams RP. Matrix metalloproteinase expression in high grade soft tissue sarcomas. Oncol Rep 2007; 18:1529-1536. [PMID: 17982640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023] Open
Abstract
Soft tissue sarcomas comprise a heterogeneous group of mesenchymal tumors with varying biological behavior ranging from indolent tumors with no or minimal metastatic risk to aggressive and frequently metastasizing tumors. Among the more common aggressive adult soft tissue sarcomas are malignant fibrous histiocytoma, synovial sarcoma and liposarcoma. Matrix metalloproteinases are enzymes which perform a homeostatic role in mesenchymal tissue and function in both tumorigenesis and metastasis. The objectives of this study are to determine the presence and relative quantity of matrix metalloproteinases (MMPs) -1, -2, -8, -9, and -13; extracellular matrix metalloproteinase inducer (EMMPRIN); and tissue inhibitors of matrix metalloproteinases (TIMP)-1 and -2 in high grade soft tissue sarcoma tumor specimens using real-time PCR. The second objective is to determine if a relationship exists between quantity of EMMPRIN, MMPs, and TIMPs expressed in tumor tissue and disease-free survival. One hundred and forty patients diagnosed with high grade soft tissue sarcomas between 1995-2003 were identified. Tissue blocks and histologic slides were acquired for 41 specimens. Tumor specimens included 29 malignant fibrous histiocytomas, 3 liposarcomas and 11 synovial sarcomas. RNA was extracted and RT-PCR was performed in triplicate. No significant differences were found between the three types of high grade soft tissue sarcomas studied and the expression of MMPs. Interestingly, no relationship was found between high or low levels of MMPs when compared with disease-free survival. Our data support other research which finds variable correlation between MMP expression in soft tissue sarcomas and disease-free survival. We assert that the difference in correlation between MMP expression in carcinomas and sarcomas and disease-free survival is based on the vast phenotypic and genotypic difference between the cells of origin.
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Affiliation(s)
- Stephanie H Alford
- Department of Orthopaedics, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229-3901, USA.
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Costa A, Daidone MG, Daprai L, Villa R, Cantù S, Pilotti S, Mariani L, Gronchi A, Henson JD, Reddel RR, Zaffaroni N. Telomere maintenance mechanisms in liposarcomas: association with histologic subtypes and disease progression. Cancer Res 2007; 66:8918-24. [PMID: 16951210 DOI: 10.1158/0008-5472.can-06-0273] [Citation(s) in RCA: 100] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Human cancer cells maintain telomeres by telomerase activity (TA) or by alternative lengthening of telomeres (ALT). We proposed to define the prevalence of the two telomere maintenance mechanisms (TMM), to assess their association with histology, and to compare their prognostic relevance in a series of 93 patients with liposarcoma. ALT was detected by assaying ALT-associated promyelocytic leukemia nuclear bodies and TA was assayed using the telomeric repeat amplification protocol. ALT or TA was found in 25.9% or 26.6% of 139 tested liposarcoma lesions, respectively. Three lesions were ALT+/TA+ whereas approximately 50% of lesions did not show any known TMM. TMM phenotype was consistent during disease progression. ALT was prevalent in dedifferentiated and in grade 3 liposarcomas whereas TA prevailed in most round-cell myxoid and in grade 2 liposarcomas. ALT and TA incidence was similar in primary and recurrent lesions whereas metastases were more frequently TA+ than ALT+ (59% versus 18%; P = 0.04). TMM presence negatively affected patient prognosis (P = 0.001): increased mortality was associated with positivity for TA (P = 0.038) or ALT (P < 0.0001) compared with TMM absence. ALT proved to be a stronger prognostic discriminant of increased mortality than TA even when adjusted for tumor location, grade, and histology (hazard ratio for cause-specific death, 3.58 versus 1.15). Our results indicate that ALT can support fully malignant liposarcomas and is associated with unfavorable disease outcome.
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Affiliation(s)
- Aurora Costa
- Department of Experimental Oncology and Laboratories, Istituto Nazionale per lo Studio e la Cura dei Tumori, Milano, Italy
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Binh MBN, Guillou L, Hostein I, Château MC, Collin F, Aurias A, Binh BN, Stoeckle E, Coindre JM. Dedifferentiated Liposarcomas With Divergent Myosarcomatous Differentiation Developed in the Internal Trunk. Am J Surg Pathol 2007; 31:1557-66. [PMID: 17895758 DOI: 10.1097/pas.0b013e31804b4109] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Dedifferentiated liposarcoma (DLPS) is one of the most frequent sarcomas of the retroperitoneum and represents most undifferentiated sarcomas of the internal trunk. In about 5% cases, the dedifferentiated component is an heterologous sarcoma such as leiomyosarcoma or rhabdomyosarcoma. We reviewed a series of 65 sarcomas with a myogenic differentiation developed in the internal trunk for which initial diagnoses were leiomyosarcoma (37), rhabdomyosarcoma (6), malignant mesenchymoma (6), and DLPS (16). Immunostainings for MDM2, CDK4, alpha smooth actin, desmin, caldesmon, myogenin, c-kit, and progesterone receptor were performed. In 48 cases, the amplification status of MDM2 and CDK4 could be evaluated with quantitative polymerase chain reaction on paraffin-embedded tissues extracted DNAs. After review of the cases, final diagnoses were leiomyosarcoma (35), rhabdomyosarcomatous (20) or leiomyosarcomatous (7) DLPS, probable DLPS (2), and malignant mesenchymoma (1). DLPS were bigger tumors (median: 18.2 cm) than leiomyosarcomas (median: 12 cm). They had a lower 5-year recurrence-free survival than leiomyosarcomas (45% vs. 71%) but a higher 5-year metastasis-free survival (73% vs. 39%). There was no significant difference in overall survival (57% vs. 34%). Outcome of patients with a DLPS with a myosarcomatous component did not differ from conventional DLPS. In conclusion, most sarcomas with a rhabdomyosarcomatous differentiation occurring in the internal trunk of adults are DLPS. Moreover, DLPS with a myogenic component have a low metastatic potential, similar to conventional DLPS and significantly lower to the metastatic potential of leiomyosarcomas.
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Fiore M, Grosso F, Lo Vullo S, Pennacchioli E, Stacchiotti S, Ferrari A, Collini P, Lozza L, Mariani L, Casali PG, Gronchi A. Myxoid/round cell and pleomorphic liposarcomas. Cancer 2007; 109:2522-31. [PMID: 17510918 DOI: 10.1002/cncr.22720] [Citation(s) in RCA: 111] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
BACKGROUND The objective of this study was to investigate prognostic factors and clinical outcome of myxoid/round cell and pleomorphic liposarcoma. METHODS Three hundred twenty-nine patients with localized myxoid/round cell or pleomorphic liposarcoma who underwent surgery at the Istituto Nazionale per lo Studio e la Cura dei Tumori (Milan, Italy) over 25 years were reviewed. The rates of local recurrence, distant metastases, and survival were studied. RESULTS Two hundred fourteen patients presented with primary disease, and 115 patients had locally recurrent tumors. The disease-specific survival rate was 75% at 10 years, and the local recurrence and distant metastases incidence were 25% and 15%, respectively. Presentation with recurrent disease, tumor size (>10 cm), tumor grade (French Federation of Cancer Centers grade II or III vs grade I), and positive surgical margins were independent predictors of death. Tumor site and radiation therapy also played a role, mostly related to their effect on local outcome. Pathologic grade and histologic subtype influenced distant metastases. Extrapulmonary metastases were associated with poorer postmetastatic disease-specific survival. CONCLUSIONS Myxoid/round cell liposarcomas shared similar prognostic factors with other soft tissue sarcomas and had a relatively good clinical outcome. The presence of >5% of round cell component singled out a group of patients at greater risk of metastases and death but with a broad spectrum of disease aggressiveness. Extrapulmonary metastases were a peculiar pattern of myxoid/round cell liposarcoma that require special consideration for treatment and prognosis.
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Affiliation(s)
- Marco Fiore
- Department of Surgery, National Cancer Institute, Milan, Italy
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Lietman SA, Barsoum WK, Goldblum JR, Marks KE, Mascha E, Sundaram M, Muschler G. A 20-year retrospective review of surgically treated liposarcoma at the Cleveland Clinic. Orthopedics 2007; 30:227-34. [PMID: 17375550 DOI: 10.3928/01477447-20070301-01] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The records of 63 patients surgically treated for liposarcoma at the Cleveland Clinic between 1975 and 1995 were examined. Both metastatic disease (Enneking stage IIl) and an abdominal location were found to be poor prognosticants for survival. Age, gender, or tumor size, setting, or grade did not have any prognostic significance. The 5-year disease-specific survival for extremity tumors was 92% (95% confidence interval [CI]; range: 84%-100%), while general 5-year survival for extremity tumors was 66% (95% Cl; range: 48%-85%).
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Abstract
Sixty-one cases of neoplasms composed wholly or in part of atypical lipomatous tumor were reviewed. Minimum follow-up was 10 years. The cases were divided into 4 groups based on the findings in the initial excision specimen: conventional atypical lipomatous tumor (n=15), cellular atypical lipomatous tumor (n=21), dedifferentiated liposarcoma (n=24), and atypical lipomatous tumor with a pleomorphic liposarcoma-like component (n=1). The term "cellular atypical lipomatous tumor" was applied to atypical lipomatous tumors having areas of increased cellularity that when non-lipogenic lacked the 5 mitotic figures per 10 high-power fields (maximal rate) required for a dedifferentiated component and when lipogenic fell short of being truly pleomorphic liposarcoma-like. Myxoid regions within this spectrum sometimes had prominent or even plexiform vascularity, creating a resemblance to myxoid liposarcoma especially when interspersed small fat cells were present. The most important prognostic factor was tumor location, as none of the 12 patients with a subcutaneous or intramuscular neoplasm died of tumor. Among the 49 patients with neoplasms of central body sites (mostly retroperitoneum), those with dedifferentiated liposarcoma had significantly shorter survival (median 77 mo) than those with cellular (median 142 mo) or conventional (median 209 mo) atypical lipomatous tumor, whereas there was no statistically significant difference between the latter 2 categories. Patients with atypical lipomatous tumor (either cellular or conventional) in central body sites had significantly shorter survival if the tumor transformed into dedifferentiated liposarcoma in recurrence, and, conversely, those with central body site dedifferentiated liposarcoma had significantly longer survival if it recurred as atypical lipomatous tumor. Metastasis (7 cases) occurred only when the initial specimen or a recurrence demonstrated dedifferentiated liposarcoma.
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Affiliation(s)
- Harry L Evans
- Department of Pathology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, USA.
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Dalal KM, Kattan MW, Antonescu CR, Brennan MF, Singer S. Subtype specific prognostic nomogram for patients with primary liposarcoma of the retroperitoneum, extremity, or trunk. Ann Surg 2006; 244:381-91. [PMID: 16926564 PMCID: PMC1856537 DOI: 10.1097/01.sla.0000234795.98607.00] [Citation(s) in RCA: 275] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECTIVE To determine the prognostic significance of histologic subtype in a large series of patients with primary liposarcoma (LS) and to construct a LS-specific postoperative nomogram for disease-specific survival (DSS). SUMMARY BACKGROUND DATA Nomograms, used to define and predict outcome following operative intervention, may contain variables not conventionally used in standard staging systems. A 12-year DSS postoperative nomogram for all sarcomas has already been established. METHODS From a single-institution prospective sarcoma database, patients with primary extremity, truncal, or retroperitoneal LS treated between 1982 and 2005 were identified. Histology was reviewed by a sarcoma pathologist and divided into 5 subtypes. A nomogram predictive of 5- and 12-year DSS was developed. RESULTS Of 801 patients with primary LS resected with curative intent, 369 (46%) presented with well-differentiated, 143 (18%) dedifferentiated, 144 (18%) myxoid, 81 (10%) round cell, and 64 (8%) pleomorphic histology. The median tumor burden was 15 cm (range, 1-139 cm). At last follow-up, 560 patients were alive with a median follow-up time of 45 months (range, 1-264 months) and 51 months for surviving patients. The 5- and 12-year DSS rates were 83% (95% confidence interval [CI], 80%-86%) and 72% (95% CI, 67%-77%), respectively. The nomogram was drawn on the basis of a Cox regression model. The independent predictors of DSS were age, presentation status, histologic variant, primary site, tumor burden, and gross margin status. The nomogram was internally validated using bootstrapping and shown to have excellent calibration. The concordance index was 0.827 compared with 0.776 for the general sarcoma postoperative nomogram for 12-year DSS. CONCLUSION The LS-specific nomogram based on histologic subtype provides more accurate survival predictions for patients with primary LS than the previously established generic sarcoma nomogram. DSS nomograms aid in more accurate counseling of patients, identification of patients appropriate for adjuvant therapy, and stratification of patients for clinical trials and molecular analysis.
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Affiliation(s)
- Kimberly Moore Dalal
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA
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Abstract
BACKGROUND Due to the fact that there are no distinct anatomical compartments, retroperitoneal sarcomas are moreover diagnosed with evidence of large tumors and infiltration of adjacent organs. In spite of improvement of the diagnostic facilities and surgical techniques, quite frequently local recurrences with unfavourable prognosis turn up even after complete removal. It was the aim of this study to analyze diagnosis, therapy and long-term prognosis in patients with retroperitoneal sarcomas over a period of 10 years. PATIENTS AND METHODS Between January 1995 and January 2005, 379 patients underwent surgery for a primary retroperitoneal tumor at our clinic. Among the 67 (17.1 %) malignant lesions, a sarcoma was found in 35 patients. The present study is focused on the long-term prognosis of those 21 patients with a primary resected retroperitoneal sarcoma, recurrent sarcomas and exploratory laparotomies excluded. RESULTS The median patient age at the time of surgery was 61 (25-86) years, 57.1 % were males. The duration of symptoms was 3 (1-36) months. A pR0-resection was achieved in 20/21 patients. Among the histopathological tumor types, liposarcomas (n = 10) and leiomyosarcomas (n = 6) were found most frequently. Local recurrence developed in 12 out of 21 patients at 13.5 (5-42) months after the first operation, and in 4 patients distant metastases were observed. The long-term survival of all 21 patients with primary resected retroperitoneal sarcoma was 24 (1-101) months. A more favourable prognosis was seen in patients with leiomyosarcoma as compared with liposarcoma. CONCLUSION Retroperitoneal sarcomas are a heterogeneous entity, and they were found among our own patients in 6.1 % of all primary operatively treated retroperitoneal tumors. The strategy of treatment is complex and dependent on the stage, localization and histopathological characteristics. Long-term survival is limited as a result of the high rate of local recurrence.
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Affiliation(s)
- I Gockel
- Klinik für Allgemein- und Abdominalchirurgie der Johannes-Gutenberg-Universität Mainz.
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Lehnhardt M, Kuhnen C, Drücke D, Homann HH, Joneidi Jafari H, Steinau HU. [Liposarcoma of the extremities: recent developments in surgical therapy--analysis of 167 patients]. Chirurg 2005; 75:1182-90. [PMID: 15309264 DOI: 10.1007/s00104-004-0900-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Liposarcoma is the second most common malignant soft-tissue tumor in adults. Between 1991 and 2002, 167 patients with extremity liposarcomas were treated in our center. Fifty tumors were classified as G1 liposarcomas (30%), 76 as G2 liposarcomas (45.5%), and 41 as G3 liposarcomas (24.5%). In 158 patients, (93.5%) wide tumor excision was performed. Major amputation was necessary in five patients. After a median follow-up of 36 months, 37 patients had developed local recurrence. The 5-year overall survival rate was 79%. The 5-year survival rate in primary tumors was 71/79 (90%, P<0.05) whereas 61/88 of recurrences relapsed locally (69%, P<0.05). Multidisciplinary cooperation in a tumor board is a precondition for adequate treatment.
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Affiliation(s)
- M Lehnhardt
- Universitätsklinik für Plastische Chirurgie und Schwerbrandverletzte, Operatives Referenzzentrum für Gliedmassentumoren, Handchirurgiezentrum, BG-Kliniken Bergmannsheil Bochum, Ruhr-Universität Bochum.
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Maurel J, Buesa J, López-Pousa A, del Muro XG, Quintana MJ, Martín J, Casado A, Martínez-Trufero J, de Las Peñas R, Balañá C. Salvage surgical resection after high-dose ifosfamide (HDIF) based regimens in advanced soft tissue sarcoma (ASTS): A potential positive selection bias-A study of the Spanish Group for Research on Sarcomas (GEIS). J Surg Oncol 2004; 88:44-9. [PMID: 15384088 DOI: 10.1002/jso.20131] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
PURPOSE To assess the impact of different factors on response rate (RR), time to tumor progression (TTP), and overall survival time (OS) in patients with locally advanced or metastatic soft tissue sarcoma (ASTS), included in three protocols with high-dose ifosfamide (HDIF). PATIENTS AND METHODS One hundred fifty six ASTS patients included in three consecutive phase II trials with HDIF (>10 g/m(2)), alone or in combination with doxorubicin (DX), were analyzed. Cofactors were institution, trial, gender, age, performance status, histologic type, grade of malignancy, prior radiotherapy, presence of locoregional disease, metastatic site, salvage surgery, number of organs involved, and disease-free interval. RESULTS By multivariate analysis performance status >0 and lack of salvage surgery correlated with a poorer survival. A good-risk and a poor-risk group were identified, with median survival time (OS) of 29, 5, and 10 months, respectively (P = 0.00001). The 1-, 2-, and 3-year OS for 83 good-risk patients (either with PS = 0 or receiving salvage surgery) was 83, 44, and 29%, respectively, those figures being 37, 7, and 3% for 73 poor-risk patients. CONCLUSION The design of randomized trials in ASTS including HDIF should consider those prognostic factors as stratification variables.
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Affiliation(s)
- Joan Maurel
- Department of Medical Oncology, Hospital Clínic, Barcelona, Spain.
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Luo Y, Chen ZD, Hu BQ. [The analysis of different treatment methods for 184 cases of soft tissue sarcoma]. Zhonghua Zhong Liu Za Zhi 2004; 26:502-4. [PMID: 15555345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
OBJECTIVE To study the proper way of using combined postoperative chemo-radiotherapy and prognostic factors of soft tissue sarcoma. METHODS The clinical data of 184 patients were retrospectively reviewed. These patients were devided into surgery group (S, 94 patients), surgery plus postoperative radiotherapy group (S + R, 62 patients) and surgery plus chemotherapy group (S + C, 28 patients). RESULTS The 5-year survival rates of S, S + R and S + C groups were 39.4%, 48.4% and 28.6%, respectively. Combined multitherapy was the key to improve survival rate and life quality. Clinical stage, pathological type and therapeutic method were also important prognostic factors for the long term survival. CONCLUSION Surgery plus postoperative radiotherapy can improve the 5-year survival rate of soft tissue sarcoma.
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Affiliation(s)
- Ying Luo
- Department of Radiation Oncology, Hunan Cancer Hospital, Changsha 410006, China.
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Abstract
BACKGROUND AND OBJECTIVES Primary malignant tumors of the iliopsoas compartment are rare entities that have been infrequently reported. We present our experience of iliopsoas malignancy to better characterize and define the natural history of this condition. METHODS Primary iliopsoas tumors occurring from January 1990 were identified from the Royal Marsden Hospital's (RMH) Sarcoma Unit prospective database. RESULTS Nineteen malignant tumors (11 limited to the psoas muscle only, 1 involving only the iliacus muscle and 7 involving both the iliacus and psoas) of the iliopsoas compartment were evaluated and treated at the RMH during this period. Leiomyosarcoma (n = 5) and liposarcoma (n = 3) were the most frequent histologic types. There were 3 G1, 5 G2, 10 G3 tumors and grade could not be assessed in 1 patient. There were 17 T2 tumors and size was not available in 2 patients. Surgery was done in 14 patients (negative microscopic margins-7, positive microscopic margins-3, and positive gross margins-3 and the margin of excision was not known in 1 patient). Five of 14 surgically treated patients had local recurrence and 6 of 19 patients developed metastases. Ten patients died of their disease at a median follow-up of 12 months. The estimated 2 and 5 year survival rates were 44 and 23%, respectively. CONCLUSIONS Tumors in this location have a poor prognosis due to the lack of early diagnosis, large size at presentation, multiple attachments of the psoas muscle, and being relatively surgically inaccessible.
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Affiliation(s)
- Kasim A Behranwala
- Sarcoma and Melanoma Unit (Academic Surgery), Royal Marsden NHS Trust, United Kingdom.
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Abstract
OBJECTIVE To determine the biological behavior of liposarcomas in dogs and identify clinical signs, the effect of treatment on survival time, and potential prognostic factors. DESIGN Retrospective study. ANIMALS 56 dogs with histologically confirmed liposarcoma. PROCEDURE Information was obtained on signalment, tumor size, location of the tumor, stage of disease, remission duration, overall survival time, cause of death, type of surgery (incisional biopsy, marginal excision, or wide excision), and any additional treatments given. RESULTS Surgery consisted of incisional biopsy in 6 dogs, marginal excision in 34, and wide excision in 16. Twenty-five dogs had histologic evidence of tumor cells at the surgical margins and 28 did not (status of the margins was unknown in 3 dogs). Twelve of 43 dogs had local recurrence. Median survival time was 694 days, and the only factor significantly associated with survival time was type of surgery performed. Median survival times were 1,188, 649, and 183 days, respectively, for dogs that underwent wide excision, marginal excision, and incisional biopsy. Factors that were not found to be significantly associated with survival time included tumor size, status of the margins, tumor location, and histologic subtype. CONCLUSIONS AND CLINICAL RELEVANCE Results suggest that in dogs, liposarcomas are locally invasive neoplasms that rarely metastasize and occur primarily in appendicular or axial locations and that wide excision is preferred to marginal excision when feasible.
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Affiliation(s)
- Jennifer L Baez
- Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104-6010, USA
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Kooby DA, Antonescu CR, Brennan MF, Singer S. Atypical lipomatous tumor/well-differentiated liposarcoma of the extremity and trunk wall: Importance of histological subtype with treatment recommendations. Ann Surg Oncol 2004; 11:78-84. [PMID: 14699038 DOI: 10.1007/bf02524350] [Citation(s) in RCA: 96] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND This study defines the behavior and classification of atypical lipomatous tumors (ALT) and well-differentiated liposarcomas (WDLS) of the extremity and trunk. METHODS A total of 91 well-differentiated lipomatous tumors of the extremity and trunk were identified from a soft tissue tumor database between July 1982 and June 2001. A soft tissue pathologist, blinded to prior diagnosis and clinical outcome, reviewed histology. Those composed predominantly of mature adipose tissue with scattered atypical stromal cells and scant lipoblasts or fibrosis were ALTs. Tumors with lipoblasts but <25% fibrosis were termed lipoma-like WDLS, and those with >/=25% fibrosis were identified as sclerosing WDLS. Clinical factors were analyzed to assess effects on local recurrence-free survival (LRFS). RESULTS Histological review identified 34 ALTs and 57 WDLSs. Of the WDLSs, 29 were lipoma-like and 28 were sclerosing. Five-year and 10-year LRFS were 100% +/- 0% and 78% +/- 9%, respectively. Factors evaluated were age, sex, tumor site, tumor size, histology, presentation status, margin status, and adjuvant radiotherapy. Positive resection margins and sclerosing histology were associated with reduced LRFS. Dedifferentiation was observed in three tumors (3%). CONCLUSIONS Lipoma-like WDLSs and ALTs share similar histological features and favorable behavior. Margin-positive sclerosing WDLSs have a 10-year LRFS of only 17% and should undergo function-preserving re-excision when possible, or adjuvant radiotherapy.
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Affiliation(s)
- David A Kooby
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA
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Abstract
OBJECTIVES To describe computed tomography (CT) and magnetic resonance (MR) imaging findings and to determine the prognostic significance of radiologic appearances in primary dedifferentiated liposarcoma of the retroperitoneum. METHODS Initial CT and MR imaging studies of 20 pathologically confirmed cases of primary dedifferentiated liposarcoma of the retroperitoneum were retrospectively reviewed and assessed for correlations with the histopathologic features. CT and MR images were evaluated by 2 radiologists with agreement by consensus, and univariate analyses were conducted to evaluate survival with a mean clinical follow-up duration of 47 months (range, 5-114 months). RESULTS Tumor invasion was more frequent in the anterior or posterior pararenal originating tumors than in pararenal tumors (P<0.05). Well-defined nonlipomatous masses juxtaposed with fatty tumors were identified in all cases. Calcification or ossification was seen in 6 patients (30%) on unenhanced CT. Imaging findings including attenuation, signal characteristics, and enhancement patterns of nonlipomatous masses were nonspecific regardless of histologic variances. Recurrent tumors (n=6) tended to invade surrounding organs. Univariate analysis revealed that calcification or ossification (P<0.05) and first recurrence with duration of a mean 13 months (P<0.05) identified by imaging studies had significant impacts on overall survival. CONCLUSIONS Calcification or ossification and first recurrence identified by CT and MR imaging studies are significant adverse prognostic factors in primary dedifferentiated liposarcoma of the retroperitoneum.
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Affiliation(s)
- Ukihide Tateishi
- Division of Diagnostic Radiology, National Cancer Center Hospital and Research Institute, Tokyo, Japan.
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Abstract
BACKGROUND We attempted to define the effect of tumor histotype on local recurrence, distant metastasis, and disease-specific survival in patients with surgically treated primary extremity sarcoma. METHODS A total of 951 patients with primary, localized soft tissue extremity sarcoma were followed up prospectively. Patient- and tumor-related variables, including histopathologic type, were used to identify independent prognostic factors for the study end points of local recurrence, distant recurrence, and disease-specific survival. RESULTS There were 137 local recurrences, and significant adverse prognostic factors for local recurrence were patient age >50 years, microscopically positive margins, and malignant peripheral nerve tumor. Adverse prognostic factors for distant recurrence (200 patients) were tumor size >5 cm, tumors beneath the investing fascia, high tumor grade, and leiomyosarcoma. Of the 199 patients who died of disease-related causes, patient age >50 years, tumors beneath the investing fascia, high tumor grade, microscopically positive margin, tumor size >5 cm, leiomyosarcoma, and malignant peripheral nerve tumor were adverse prognostic factors. CONCLUSIONS These data suggest that differences in biological behavior may exist between sarcoma histotypes and deserve further study.
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Affiliation(s)
- Jonathan B Koea
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA
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George B, Ferrario CA, Blanquet A, Kolb F. Cavernous sinus exenteration for invasive cranial base tumors. Neurosurgery 2003; 52:772-80; discussion 780-2. [PMID: 12657172 DOI: 10.1227/01.neu.0000053364.33375.c2] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2002] [Accepted: 11/08/2002] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE Invasive tumors involving the cavernous sinus, such as recurrent benign meningiomas or sarcomas, raise therapeutic problems that may be resolved by cavernous sinus exenteration (CSE). METHODS Our series comprises 18 patients (9 women and 9 men ranging in age from 14 to 64 yr) who underwent CSE during the past 8 years. The tumors in these patients included 12 meningiomas, 3 chondrosarcomas, 1 rhabdomyosarcoma, 1 lipomyosarcoma, and 1 epidermoid carcinoma. Preoperative occlusion of the internal carotid artery was confirmed in 15 cases by a balloon occlusion test. Three patients had a negative balloon occlusion test, and their internal carotid arteries were preserved (n = 1) or revascularized (n = 2) through an external carotid artery-to-middle cerebral artery bypass. RESULTS CSE was performed as a primary treatment in 5 patients and after one to five recurrences in 13 patients. In all patients, CSE included the internal carotid artery and Cranial Nerves III, IV, and VI and one to three branches of Cranial Nerve V. Orbital exenteration was performed in eight patients, and partial hypophysectomy was performed in five patients. Ten patients had received radiotherapy before CSE, and five patients underwent irradiation after CSE. The operative mortality includes two patients. Cerebrospinal fluid leakage was the main complication in four patients, with three patients having meningitis. Follow-up ranged from 6 months to 5 years, with three deaths from new recurrences at 2, 3, and 4 years after CSE. As compared with their clinical courses before CSE, all patients except the two who died postoperatively benefited from CSE. CONCLUSION CSE has useful indications in invasive and rapidly growing tumors, including apparently benign meningiomas. A better understanding of the biological behavior of these tumors is necessary for appropriate selection of patients for CSE.
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Affiliation(s)
- Bernard George
- Department of Neurosurgery, Hôpital Lariboisière, Paris, France.
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Abstract
BACKGROUND The survival of patients with retroperitoneal sarcomas depends on the feasibility of complete resection and the grade of the tumor. HYPOTHESIS A high rate of complete resection, wide rather than local excision when feasible, and a policy of prompt reoperation for local recurrence all improve survival. METHODS A review of 130 consecutive patients with retroperitoneal soft tissue sarcomas (1977-2001). RESULTS The complete resectability rate was 95%, being 99% (78/79) for the primary tumors and 90% (46/51) for tumors referred with local recurrence. Local recurrence after complete resection occurred in 41% (32/79) of those with primary tumors and in 61% (31/51) of those referred with local recurrence (P =.06). The local recurrence rate was 63% after local excision and 39% after wide resection (P =.02). Of 83 patients with relapse, 37 (45%) were rendered surgically disease free. The estimated 5-year (10-year in parentheses) survival from the first surgery at our center was 65% (56%) for patients with primary tumors and 53% (34%) for patients referred with local recurrence (P =.23). For the primary tumors, the 5- and 10-year survival rates were 70% and 60%, respectively, after wide resection and 47% and 39%, respectively, after local excision (P =.04). For the primary tumors, the 5-year survival was 92%, 54%, and 48% for grades I, II, and III, respectively (P =.02). For those referred with local recurrence, the figures were 76%, 45%, and 19% for grades I, II, and III, respectively (P<.001). CONCLUSIONS A high resectability rate (95%) is possible in retroperitoneal sarcomas. The survival estimates are similar to those following resection of extremity soft tissue sarcomas given an effective reoperation policy for local recurrences. Wide resection lowers the local recurrence and improves survival significantly. Survival varies significantly according to the grade of the tumor.
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Affiliation(s)
- Toni Ferrario
- Department of Surgery, State University of New York at Buffalo School of Medicine and Biomedical Science, Buffalo, NY 14209, USA.
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49
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Abstract
An analysis in 53 patients with kidney cancer has been conducted, a group on which kidney sparing operations have been performed. 25 women and 28 men have been examined at the age of 53.7 in the postoperative period of 7 divided by 130 months. The average observation time without any recurrences or metastases was 48.8 months. 5.7% local and 1.9% remote decease related recurrences have been found. The stage of clinical progression and the degree of histological malignancy are factors determining the five-year survival being 98.0%, while without any recurrences or metastases being 88.4%.
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Affiliation(s)
- M Fryczkowski
- Department of Urology, Silesian Medical Academy, Zabrze, Poland
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50
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Gebhard S, Coindre JM, Michels JJ, Terrier P, Bertrand G, Trassard M, Taylor S, Château MC, Marquès B, Picot V, Guillou L. Pleomorphic liposarcoma: clinicopathologic, immunohistochemical, and follow-up analysis of 63 cases: a study from the French Federation of Cancer Centers Sarcoma Group. Am J Surg Pathol 2002; 26:601-16. [PMID: 11979090 DOI: 10.1097/00000478-200205000-00006] [Citation(s) in RCA: 157] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The clinicopathologic and immunohistochemical features of 63 pleomorphic liposarcomas are presented. There were 35 men and 28 women (median age 63 years; range 18-93 years). Tumor size ranged from 2 to 23 cm (median 10 cm). Tumor locations included lower extremity (36.5%), especially the thigh (28.5%), limb girdles (17.5%), upper extremity (16%), thoracoabdominal wall (9.5%), and internal trunk (20.5%). A total of 75% were deep seated and/or extracompartmental. Histologically, lesions show a varying combination of lipogenic and nonlipogenic areas characterized by malignant fibrous histiocytoma-like, round cell liposarcoma-like, and/or epithelioid/carcinoma-like features. A pericytic pattern was focally present in 15 (24%) tumors. Eighteen (29%) lesions were grade 2, and 45 (71%) were grade 3 sarcomas. Tumor necrosis was observed in 51 (81%) cases, vascular invasion in three, and mitotic counts ranged from 3 to 124 per 10 high power fields (median 25). Lipogenic areas were S-100 protein immunoreactive, at least focally, in 20 of 42 (48%) cases. Nonlipogenic areas showed focal reactivity for smooth muscle actin (24 of 49; 49%), desmin (9 of 48; 19%), CD34 (18 of 45; 40%), S-100 protein (5 of 49, 10%), CD68 (6 of 46, 13%), and epithelial membrane antigen (13 of 49, 26.5%). Epithelioid areas showed epithelial membrane antigen (4 of 11; 36%) but not cytokeratin (0 of 11) reactivity. Treatment procedures in 51 patients consisted of simple tumorectomy (16) and wide excision (33). Five and 31 patients received neoadjuvant and adjuvant chemotherapy and/or radiation therapy, respectively. Follow-up (48 patients, range 7-276 months; median 38 months) showed a 45% local recurrence rate and a 42.5% metastasis rate, metastases occurring mostly in lungs and pleura. Seventeen patients (35%) died of disease, of whom none was metastatic at diagnosis. Five-year overall, metastasis-free, and local recurrence-free survivals were 57%, 50%, and 48%, respectively. Patient age > or =60 years, truncal tumor location, deep situation, tumor size >5 cm, vascular invasion, and incomplete tumor excision were significant adverse prognostic factors. Tumor grade and histology did not affect patient outcome. In conclusion, pleomorphic liposarcoma is a rare, often deep-seated and limb-based aggressive and metastasizing neoplasm of late adulthood. It shows a wide range of morphologic appearances, but tumor grade and histology have no effect on patient outcome.
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Affiliation(s)
- Sandra Gebhard
- University Institute of Pathology, Lausanne, Switzerland
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