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Zhou H, Tang Y, Hu P, Zhai S, Liu X, Liu Z, Wei F. Comparison of En Bloc Resection and Intralesional Excision for Re-resection of Giant Cell Tumors of the Spine. Orthop Surg 2024; 16:613-619. [PMID: 38287219 PMCID: PMC10925495 DOI: 10.1111/os.13999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 12/21/2023] [Accepted: 12/24/2023] [Indexed: 01/31/2024] Open
Abstract
OBJECTIVE Re-resection of spinal giant cell tumors is an exceedingly difficult procedure. Moreover, the prognosis of patients with en bloc resection or intralesional excision for re-resection has rarely been reported. This study aimed to compare the prognostic value of en bloc resection with that of intralesional excision in patients undergoing re-resection for giant cell tumors of the spine. METHODS This retrospective analysis evaluated patients who underwent revision surgeries for relapse of giant cell tumors of the spine at our center between January 2005 and January 2021. Local progression-free survival represents the duration between en bloc resection or intralesional excision and tumor recurrence. Neurological recovery, survival rates, local control, and complications were evaluated. The Kaplan-Meier estimator was used for survival analysis. RESULTS A total of 22 patients (nine men and 13 women) with a mean age of 34.1 (range 19-63) years were included. Significant statistical differences were found in the local tumor recurrence rate between patients treated with en bloc resection and those treated with intralesional excision (p < 0.05). The 5- and 10-year local progression-free survival rates were both 90% in the en bloc resection group, while in the intralesional excision group, the 5-year local progression-free survival rate was 80% with a 10-year rate of 45.7%. The en bloc resection group had a lower local tumor recurrence rate than that of the intralesional excision group (p < 0.05), but the former had a higher rate of complications (p = 0.015). CONCLUSIONS This study revealed a low local recurrence rate in patients who underwent en bloc resection for giant cell tumors, while the perioperative complication rate was high.
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Affiliation(s)
- Hua Zhou
- Department of OrthopaedicsPeking University Third HospitalBeijingChina
- Engineering Research Center of Bone and Joint Precision MedicineBeijingChina
- Beijing Key Laboratory of Spinal Disease ResearchBeijingChina
| | - Yanchao Tang
- Department of OrthopaedicsPeking University Third HospitalBeijingChina
- Engineering Research Center of Bone and Joint Precision MedicineBeijingChina
- Beijing Key Laboratory of Spinal Disease ResearchBeijingChina
| | - Panpan Hu
- Department of OrthopaedicsPeking University Third HospitalBeijingChina
- Engineering Research Center of Bone and Joint Precision MedicineBeijingChina
- Beijing Key Laboratory of Spinal Disease ResearchBeijingChina
| | - Shuheng Zhai
- Department of OrthopaedicsPeking University Third HospitalBeijingChina
- Engineering Research Center of Bone and Joint Precision MedicineBeijingChina
- Beijing Key Laboratory of Spinal Disease ResearchBeijingChina
| | - Xiaoguang Liu
- Department of OrthopaedicsPeking University Third HospitalBeijingChina
- Engineering Research Center of Bone and Joint Precision MedicineBeijingChina
- Beijing Key Laboratory of Spinal Disease ResearchBeijingChina
| | - Zhongjun Liu
- Department of OrthopaedicsPeking University Third HospitalBeijingChina
- Engineering Research Center of Bone and Joint Precision MedicineBeijingChina
- Beijing Key Laboratory of Spinal Disease ResearchBeijingChina
| | - Feng Wei
- Department of OrthopaedicsPeking University Third HospitalBeijingChina
- Engineering Research Center of Bone and Joint Precision MedicineBeijingChina
- Beijing Key Laboratory of Spinal Disease ResearchBeijingChina
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Miao Z, Xu M, Zheng K, Gong H, Yan N, Chen Q, Yu X. Denosumab combined with precision radiotherapy for recurrent giant cell tumor of the thoracic spine: a case report and literature review. Front Neurol 2024; 14:1308600. [PMID: 38239323 PMCID: PMC10794628 DOI: 10.3389/fneur.2023.1308600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 11/28/2023] [Indexed: 01/22/2024] Open
Abstract
Giant cell tumors of the spine have a high recurrence rate owing to their special anatomical site; hence, further treatment after recurrence is very challenging. Achieving effective tumor control and improving the long-term quality of life of the patients are the main treatment purposes to consider for recurrent giant cell tumors of the spine. A patient showing giant cell tumor recurrence of the thoracic spine after curettage received denosumab combined with precision radiotherapy, through which the tumor gained good control and the patient could regain normal functioning. A review of the relevant literature suggested that denosumab combined with radiotherapy is an effective new approach for the treatment of recurrent giant cell tumors of the spine.
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Affiliation(s)
- Zukang Miao
- Department of Orthopedics, The 960th Hospital of the PLA Joint Logistics Support Force, Jinan, China
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Ming Xu
- Department of Orthopedics, The 960th Hospital of the PLA Joint Logistics Support Force, Jinan, China
| | - Kai Zheng
- Department of Orthopedics, The 960th Hospital of the PLA Joint Logistics Support Force, Jinan, China
| | - Hai Gong
- Department of Radiotherapy, The 960th Hospital of the PLA Joint Logistics Support Force, Jinan, China
| | - Ning Yan
- Department of Radiotherapy, The 960th Hospital of the PLA Joint Logistics Support Force, Jinan, China
| | - Qian Chen
- Department of Orthopedics, The 960th Hospital of the PLA Joint Logistics Support Force, Jinan, China
| | - Xiuchun Yu
- Department of Orthopedics, The 960th Hospital of the PLA Joint Logistics Support Force, Jinan, China
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Lee S, Lee SH, Yoon JH, Kim CH, Park JH, Lee SH, Lee CH, Hyun SJ, Jeon SR, Kim KJ, Kim ES, Chung CK. Revisiting En Bloc Resection Versus Piecemeal Resection for the Treatment of Giant Cell Tumor of the Spine. World Neurosurg 2023; 178:e165-e173. [PMID: 37451361 DOI: 10.1016/j.wneu.2023.07.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 07/18/2023]
Abstract
OBJECTIVE Surgery for spinal giant cell tumors (GCTs) is challenging because these tumors often exhibit a poor clinical course owing to their locally aggressive features. This study aimed to investigate the prognostic factors of GCT recurrence in the spine by focusing on surgical factors. METHODS We retrospectively reviewed patients who underwent surgery for spinal GCTs between January 2005 and December 2016. Using the Kaplan-Meier method, surgical variables were evaluated for disease-free survival (DFS). Since tumor violation may occur at the pedicle during en bloc resection of the spine, it was further analyzed as a separate variable. Multivariate Cox proportional hazard regression analysis was performed for other clinical and radiographic variables. A total of 28 patients (male:female = 8:20) were included. The mean follow-up period was 90.5 months (range, 15-184 months). RESULTS Among the 28 patients, gross total resection (GTR) was the most important factor for DFS (P = 0.001). Any form of tumor violation was also correlated with DFS (P = 0.049); however, use of en bloc resection technique did not show a significant DFS gain compared to piecemeal resection (P = 0.218). In the patient group that achieved GTR, the mode of resection was not a significant factor for DFS (P = 0.959). In the multivariate analysis, the extent of resection was the only significant variable that affected DFS (P = 0.016). CONCLUSIONS Conflicting results on tumor violation from univariate and multivariate analyses suggest that GTR without tumor violation should be the treatment goal for spinal GCTs. However, when tumor violation is unavoidable, it would be important to prioritize GTR over adhering to en bloc resection.
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Affiliation(s)
- Sungjoon Lee
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sun-Ho Lee
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, Korea
| | - Joon Ho Yoon
- Department of Neurosurgery, Hyundai UVIS Hospital, Incheon, Korea
| | - Chi Heon Kim
- Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Jin Hoon Park
- Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sang Hyub Lee
- Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Chang-Hyun Lee
- Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Seung-Jae Hyun
- Department of Neurosurgery, Spine Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Sang Ryong Jeon
- Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Ki-Jeong Kim
- Department of Neurosurgery, Spine Center, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Eun-Sang Kim
- Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Chun Kee Chung
- Department of Neurosurgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
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Mohsen M, Osama H, Nicola M, Saeed H, Abdelrahim MEA. Effect of bisphosphonates on bone giant cell tumor recurrence: a meta-analysis. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2022. [DOI: 10.1186/s43088-022-00292-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
We examined the impact of bisphosphonates as adjuvant therapy on the recurrence of giant cell bone tumors and the impact of various tumor stages and surgical techniques on this effect. Following a thorough examination of the literature up to January 2022, 10 studies including 601 adults with giant cell tumors of the bone were reported; 295 of these subjects received bisphosphonates as adjuvant therapy following surgery, and 306 served as the control group. To examine the possibility of lowering the recurrence of giant cell bone tumors, a comparison between bisphosphonates and a control group was made. In order to evaluate the impact of bisphosphonates as adjuvant therapy on the recurrence of the giant cell bone tumor, odds ratios (OR) with 95% confidence intervals (CIs) were determined. Additionally, the dichotomous technique with a random or fixed-effect model was used to examine the effects of various tumor stages and pertinent surgical procedures.
Results
Patients with giant cell tumors of the bone who received bisphosphonates as adjuvant therapy had significantly lower postoperative recurrence rates outcomes in all subjects with giant cell tumor of bone (OR 0.19; 95% CI 0.12–0.31, p = 0.001), patients with stage I–II giant cell tumors of the bone (OR 0.29; 95% CI 0.11–0.76, p = 0.01), patients with stage III giant cell tumors of the bone (OR 0.17; 95% CI 0.07–0.42, p < 0.001); and post-intralesional curettage (OR 0.18; 95% CI 0.06–0.49, p < 0.001) compared to control. Bisphosphonates were used in participants with giant cell tumors of the bone after broad excision, but there was no discernible difference between the two groups in terms of postoperative recurrence outcomes (OR 0.66; 95% CI 0.11–3.91, p = 0.65).
Conclusions
In patients with giant cell tumors of the bone after intralesional curettage, the use of bisphosphonates as adjuvant therapy may lower the incidence of postoperative recurrence outcomes, but no appreciable difference was identified after extensive resection. According to the observed relationship, using bisphosphonates is advised to lower the likelihood of postoperative recurrence that can happen in patients with giant cell tumors of the bone.
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Yuan B, Zhang L, Yang S, Ouyang H, Han S, Jiang L, Wei F, Yuan H, Liu X, Liu Z. Imaging Features of Aggressive Giant Cell Tumors of the Mobile Spine: Retrospective Analysis of 101 Patients From Single Center. Global Spine J 2022; 12:1449-1461. [PMID: 33499650 PMCID: PMC9393967 DOI: 10.1177/2192568220982280] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
STUDY DESIGN Retrospective study. OBJECTIVES Giant cell tumors (GCTs) of the mobile spine can be locally aggressive. This study described and classified the typical and atypical appearance of aggressive spinal GCTs according to imaging findings to help the imaging diagnosis, especially for patients with rapid neurological deficit that may require emergent surgery without biopsy. METHODS Computed tomography (CT) and magnetic resonance imaging (MRI) scans of patients diagnosed with aggressive spinal GCTs at single center were reviewed. RESULTS Overall, 101 patients with 100 CT images and 94 MR images were examined. All lesions were osteolytic with cortical destruction; 95 lesions showed epidural extension; 90 were centered in the vertebral body; 82 showed pathological fracture and/or collapse of the vertebral body; 78 had pseudotrabeculation on CT; 80 showed low-to-iso signal intensity or heterogeneous high-signal intensity with cystic areas on the T2-weighted images; 9 showed fluid-fluid level on T2-weighted images; and 61 patients showed marked enhancement on contrast-enhanced CT and/or MRI. Forty-one lesions (40.6%) had at least 1 atypical radiographic feature: 19 involved ≥2 segments; 11 were centered in the posterior neural arch; 10 had a paravertebral mass over 2 segments; 16 showed partial margin sclerosis with partial cortical destruction on CT scans; and 3 showed mineralization within the tumor on CT. Eighty-eight patients underwent CT-guided biopsy with a diagnostic accuracy rate of 94.3%. CONCLUSIONS Spinal GCTs might appear more radiologically atypical, and about 40% of the lesions may have at least 1 atypical feature. CT-guided biopsies are recommended for definitive diagnosis.
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Affiliation(s)
- Bei Yuan
- Orthopaedic Department, Peking University Third Hospital, Haidian District, Beijing, China,Peking University Health Science Center, Haidian District, Beijing, China
| | - Lihua Zhang
- Department of Radiology, Peking University Third Hospital, Haidian District, Beijing, China
| | - Shaomin Yang
- Department of Pathology, Peking University Third Hospital, Haidian District, Beijing, China
| | - Hanqiang Ouyang
- Orthopaedic Department, Peking University Third Hospital, Haidian District, Beijing, China
| | - Songbo Han
- Department of Radiology, Peking University Third Hospital, Haidian District, Beijing, China
| | - Liang Jiang
- Orthopaedic Department, Peking University Third Hospital, Haidian District, Beijing, China,Liang Jiang and Zhongjun Liu, Orthopaedic Department, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing 100191, China. Emails: ;
| | - Feng Wei
- Orthopaedic Department, Peking University Third Hospital, Haidian District, Beijing, China
| | - Huishu Yuan
- Department of Radiology, Peking University Third Hospital, Haidian District, Beijing, China
| | - Xiaoguang Liu
- Orthopaedic Department, Peking University Third Hospital, Haidian District, Beijing, China
| | - Zhongjun Liu
- Orthopaedic Department, Peking University Third Hospital, Haidian District, Beijing, China,Liang Jiang and Zhongjun Liu, Orthopaedic Department, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing 100191, China. Emails: ;
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Primary Benign Tumors of the Spinal Canal. World Neurosurg 2022; 164:178-198. [PMID: 35552036 DOI: 10.1016/j.wneu.2022.04.135] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/29/2022] [Accepted: 04/30/2022] [Indexed: 11/23/2022]
Abstract
Benign tumors that grow in the spinal canal are heterogeneous neoplasms with low incidence; from these, meningiomas and nerve sheath tumors (neurofibromas and schwannomas) account for 60%-70% of all primary spinal tumors. Benign spinal canal tumors provoke nonspecific clinical manifestations, mostly related to the affected level of the spinal cord. These tumors present a challenge for the patient and healthcare professionals, for they are often difficult to diagnose and the high frequency of posttreatment complications. In this review, we describe the epidemiology, risk factors, clinical features, diagnosis, histopathology, molecular biology, and treatment of extramedullary benign meningiomas, osteoid osteomas, osteoblastomas, aneurysmal bone cysts, osteochondromas, neurofibromas, giant cell tumors of the bone, eosinophilic granulomas, hemangiomas, lipomas, and schwannomas located in the spine, as well as possible future targets that could lead to an improvement in their management.
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Kong W, Zhang L, An R, Yang M, Wang H. Diagnostic Value of Serum D-Dimer for Detection of Gallbladder Carcinoma. Cancer Manag Res 2021; 13:2549-2556. [PMID: 33762846 PMCID: PMC7982561 DOI: 10.2147/cmar.s272116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 01/28/2021] [Indexed: 01/21/2023] Open
Abstract
Background Previous studies have shown that D-dimer plays an essential role in the occurrence and development of various tumors, and its diagnostic value in gallbladder carcinoma (GBC) is unknown. Therefore, the purpose of our study was to explore the diagnostic value of D-dimer in distinguishing between gallbladder carcinoma and benign controls. Methods We retrospectively included age and gender-matched patients with gallbladder carcinoma and benign gallbladder lesions, and analyzed the diagnostic value of inflammatory markers, D-dimers, and tumor biomarkers by receiver operating characteristic curves (ROC). Results The area under the ROC curve of white blood cells (WBC), neutrophil to lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR), D-dimer, alpha-fetoprotein (AFP), carcinoembryonic antigen (CEA), and carbohydrate antigen 19–9 (CA19-9) were 0.600, 0.760, 0.729, 0.849, 0.502, 0.699, and 0.802, respectively. The combined diagnostic value of D-dimer and CA19-9 was 0.920, which was superior to other joint indicators. Conclusion Serum D-dimer may be considered as a potential biomarker for detection of GBC. Moreover, the combined diagnosis of D-dimer and CA19-9 has excellent diagnostic value in gallbladder carcinoma.
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Affiliation(s)
- Weihao Kong
- Department of Emergency Surgery, Department of Emergency Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, People's Republic of China
| | - Li Zhang
- Department of Radiation Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, People's Republic of China
| | - Ran An
- Department of Emergency Surgery, Department of Emergency Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, People's Republic of China
| | - Mingwei Yang
- Department of Radiation Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, People's Republic of China
| | - Hao Wang
- Department of Radiation Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, People's Republic of China
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Patel S, Chiu RG, Rosinski CL, Ansari D, Chaker AN, Nunna RS, Behbahani M, Mehta AI. Incidence, Management, and Outcomes of Spinal Giant Cell Tumor of Bone in Adult Patients: A National Cancer Database Analysis. World Neurosurg 2020; 144:e296-e305. [PMID: 32853765 DOI: 10.1016/j.wneu.2020.08.135] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 08/17/2020] [Indexed: 12/21/2022]
Abstract
OBJECTIVE Giant cell tumors (GCTs) constitute 5% of all primary bone tumors with spinal GCTs (SGCTs) accounting for 2%-15% of all GCTs. The standard of care for SGCT has been maximal surgical resection. However, many adjuvant therapies have been used owing to the difficulty in achieving gross total resection combined with the high local recurrence rate. The purpose of the present study was to analyze the incidence, management, and outcomes of SGCT. METHODS Patients with diagnosis codes specific for SGCT were queried from the National Cancer Database from 2004 to 2016. The outcomes were investigated using Cox univariate and multivariate regression analyses, and survival curves were generated for comparative visualization. RESULTS The search criteria identified 92 patients in the NCDB dataset from 2004 to 2016 with a diagnosis of SGCT. Of the 92 patients, 64.1% had undergone surgical intervention, 24.8% had received radiotherapy, and 15.2% had received immunotherapy. Univariate analysis revealed that age ≥55 years and tumor location in the sacrum/coccyx were associated with worsened overall survival (OS) and that surgical resection was associated with improved OS. On multivariate analysis, age 55-64 years was associated with worsened OS, and radical surgical resection was associated with improved OS. The survival analysis revealed improved OS with surgery but not with radiotherapy, chemotherapy, or immunotherapy. CONCLUSION SGCT is a rare primary bone tumor of the vertebral column. The standard of care has been surgical resection with the goal of gross total resection; however, adjuvant therapies have often been used. Our study found that surgical resection significantly improved OS and that immunotherapy neared significance in improving OS.
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Affiliation(s)
- Saavan Patel
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Ryan G Chiu
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Clayton L Rosinski
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Darius Ansari
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Anisse N Chaker
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Ravi S Nunna
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Mandana Behbahani
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Ankit I Mehta
- Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA.
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Prognostic value of plasma fibrinogen and D-dimer levels in patients with surgically resected non-small cell lung cancer. Surg Today 2020; 50:1427-1433. [PMID: 32409869 DOI: 10.1007/s00595-020-02019-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 04/26/2020] [Indexed: 12/16/2022]
Abstract
PURPOSE A high plasma level of either fibrinogen or D-dimer has been shown to correlate with a poor prognosis in patients with surgically resected non-small-cell lung cancer (NSCLC). The present study aimed to identify whether or not both markers combined had a superior prognostic value to either alone. METHODS Of the 1344 patients who underwent surgical resection for NSCLC at our institution between January 2007 and December 2016, 1065 had preoperative plasma fibrinogen and D-dimer data available and were included in the analysis. RESULTS The recurrence-free survival (RFS) and overall survival (OS) rates were similar for patients with high plasma levels of either or both fibrinogen (> 4.0 g/L) or D-dimer (> 1.0 μg/mL); therefore, these three groups were combined for a further analysis into a single group with high plasma levels of either or both proteins. The high-level group had significantly lower 5-year RFS (53% vs. 68%, p < 0.001) and 5-year OS (65% vs. 80%, p < 0.001) rates than patients with normal plasma levels of fibrinogen and D-dimer (control group). CONCLUSIONS Our results suggest that preoperative tests for both plasma fibrinogen and D-dimer are necessary to identify patients with surgically resected NSCLC likely to have a poor RFS and OS.
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