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Spresser WJ, Neal TW, McLean AC, Schlieve T. A case report and diagnostic discussion of maxillofacial low-grade myofibroblastic sarcoma. Oral Surg Oral Med Oral Pathol Oral Radiol 2024:S2212-4403(24)00289-X. [PMID: 38871621 DOI: 10.1016/j.oooo.2024.04.105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/15/2024] [Accepted: 04/27/2024] [Indexed: 06/15/2024]
Affiliation(s)
- Wyatt J Spresser
- Department of Surgery, Division of Oral and Maxillofacial Surgery, UT Southwestern/Parkland Memorial Hospital, Dallas, TX.
| | - Timothy W Neal
- Department of Surgery, Division of Oral and Maxillofacial Surgery, UT Southwestern/Parkland Memorial Hospital, Dallas, TX
| | - Anne C McLean
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX
| | - Thomas Schlieve
- Department of Surgery, Division of Oral and Maxillofacial Surgery, UT Southwestern/Parkland Memorial Hospital, Dallas, TX
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2
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Cheng T, Liang S, Zhang J, Wang W. Indolent growth of low‑grade myofibroblastic sarcoma of the knee with the resemblance of a benign lesion: A case report. Oncol Lett 2024; 27:163. [PMID: 38426155 PMCID: PMC10902747 DOI: 10.3892/ol.2024.14296] [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: 09/15/2023] [Accepted: 01/05/2024] [Indexed: 03/02/2024] Open
Abstract
Low-grade myofibroblastic sarcoma (LGMS) is a rare soft-tissue malignant neoplasm originating from the stromal cells that is predominantly comprised of atypical myofibroblasts. The present study reports the case of a patient with low-grade myofibroblastic sarcoma in the soft tissue of the knee. The patient exhibited a soft, painless mass on the medial side of the left knee. During surgery, a yellow-white mass above the posterior margin of the sartorius muscle was identified. This mass, which was irregular and adherent to surrounding tissues, had a blurry boundary, indicative of invasive growth. The morphology of the mass significantly differed from conventional lipomas and was lacking typical features. Immunohistochemical staining confirmed the diagnosis of a malignant LGMS. The patient experienced no recurrence over 1 year of follow-up and reported complete recovery of knee range of motion. The present study suggests that an incisional biopsy may be performed if LGMS is suspected based on patient symptoms and imaging results. In addition, long-term follow-up is crucial for the timely detection and management of any recurrence, playing a key role in the patient's ongoing care and treatment.
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Affiliation(s)
- Tao Cheng
- Department of Clinical Medicine, Guizhou Medical University, Guiyang, Guizhou 550000, P.R. China
- Department of Orthopedics, Guangzhou Red Cross Hospital, Guangzhou, Guangdong 510220, P.R. China
| | - Shaohua Liang
- Department of Orthopedics, Guangzhou Red Cross Hospital, Guangzhou, Guangdong 510220, P.R. China
| | - Jinli Zhang
- Department of Orthopedics, Guangzhou Institute of Traumatic Surgery, Guangzhou Red Cross Hospital, Guangzhou, Guangdong 510220, P.R. China
| | - Wen Wang
- Department of Clinical Medicine, Guizhou Medical University, Guiyang, Guizhou 550000, P.R. China
- Department of Orthopedics, Guangzhou Red Cross Hospital, Guangzhou, Guangdong 510220, P.R. China
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3
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Park HJ, Choi YG, Chae SW, Kim WS. Low-Grade Myofibroblastic Sarcoma on Back with Repeated Localized Recurrence and Regional Metastasis. Ann Dermatol 2023; 35:S219-S224. [PMID: 38061708 PMCID: PMC10727900 DOI: 10.5021/ad.21.104] [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: 07/14/2021] [Revised: 01/19/2022] [Accepted: 01/24/2022] [Indexed: 12/20/2023] Open
Abstract
Low-grade myofibroblastic sarcoma (LGMS) is a rare spindle cell tumor with indolent course. Due to rarity and low-grade histologic features of LGMS, accurate diagnosis is challenging. We report a 63-year-old female patient with a three-month history of a 3.1 cm×2.5 cm sized, firm, skin-colored, painless, protruding left back mass. Initial excisional biopsy was performed and the mass was diagnosed as nodular fasciitis. After 18 months after excision, the mass recurred with pain and grew larger. Considering the clinical manifestations, diagnostic impression was changed as dermatofibrosarcoma protuberans not nodular fasciitis. Second wide excision was performed and the histopathology revealed proliferative atypical spindle cells with moderate nuclear atypia and a distinctive whorling pattern, which is suggestive of low-grade sarcoma. Additional computed tomography and positron emission tomography revealed no metastasis and suspicious residual viable malignant tissue. To remove suspicious residual tumor, third wide excision were performed and the diagnosis confirmed as LGMS. A microscopically clear resection was achieved with deep and lateral safety margin 0.6 cm each. Despite of postoperative radiotherapy with 35 times, recurrence of the tumor and lung metastasis was found after 7 months later. LGMS rarely metastasizes and occurs most commonly in the head and neck region. Thus, we report a rare case of LGMS on back which repeated localized recurrence and regional lung metastasis occurred despite wide excision and adjuvant radiotherapy.
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Affiliation(s)
- Hyeon Jeong Park
- Department of Dermatology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yeon-Gu Choi
- Department of Dermatology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seung-Wan Chae
- Department of Pathology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Won-Serk Kim
- Department of Dermatology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.
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4
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Mamikunian G, Ziegler A, Block A, Thorpe E. Risk Factors for Recurrence and the Role of Radiotherapy in Low-grade Myofibroblastic Sarcoma: A Systematic Review. Am J Clin Oncol 2023; 46:420-425. [PMID: 37358303 DOI: 10.1097/coc.0000000000001025] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2023]
Abstract
Low-grade myofibroblastic sarcoma (LGMS) is a rare malignancy that commonly occurs in the head and neck region. The role of radiotherapy has been unclear in treating LGMS and the risk factors for recurrence have remained undefined. The objective of this study is to determine risk factors for the recurrence of LGMS in the head and neck as well as the role of radiotherapy in the treatment of LGMS. A comprehensive review of the literature was performed through Pubmed leading to the inclusion of 36 articles after our inclusion and exclusion criteria were applied. Continuous variables were analyzed with a 2-tail unpaired t test. Categorical variables were assessed with the χ 2 test or Fisher exact test. Logistic regression and multivariable logistic regression analysis with 95% CIs were used to obtain odds ratios. LGMS most commonly occurred in the oral cavity (49.2%). Half of all recurrences occurred in the paranasal sinuses/skull base. LGMS occurring at the paranasal sinuses/skull base had a significantly increased risk of recurrence compared with other subsites within the head and neck (odds ratio: -40; 95% CI: 2.190, 762.005; P = 0.013). The average time to recurrence of LGMS was 19.2 months. Adjuvant treatment with radiation did not improve recurrence rates. Sex, tumor size, or bony involvement were not found as risk factors for recurrence. Patients with LGMS of the paranasal sinuses and skull base are at high risk for recurrence and should be monitored closely. The role of adjuvant radiation treatment in these patients remains unclear.
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Affiliation(s)
| | - Andrea Ziegler
- Loyola University Medical Center - Department of Otolaryngology - Head and Neck Surgery
| | - Alec Block
- Loyola University Medical Center - Head and Neck Radiation Oncology
| | - Eric Thorpe
- Loyola University Medical Center - Department of Otolaryngology - Head and Neck Surgery
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5
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Sharma AE, Kerr DA, Cipriani NA. Small biopsies in the head and neck: Bone and soft tissue. Semin Diagn Pathol 2023; 40:353-370. [PMID: 37453847 DOI: 10.1053/j.semdp.2023.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 04/30/2023] [Accepted: 06/21/2023] [Indexed: 07/18/2023]
Abstract
Bone and soft tissue lesions in the head and neck encompass not only a broad morphologic spectrum but also significant inherent clinicopathologic overlap. Epidemiology, radiology, and location - similar to the diagnostic assessment in other sites - are especially important considerations in the context of an established mesenchymal proliferation. Herein, the approach towards diagnosis is stratified by morphology (spindle, sarcomatoid, epithelioid, round cell), cellular lineage (fibroblastic, nerve sheath, rhabdomyogenic), and tumor grade (benign, low- to high-grade malignant) as the basis of further immunohistochemical or molecular investigation.
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Affiliation(s)
- Aarti E Sharma
- Hospital for Special Surgery, New York, NY, United States
| | - Darcy A Kerr
- Dartmouth Hitchcock Medical Center, Lebanon, NH, United States
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6
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Gao G, Liu Y, Ao Y, Wang J, Xu Y. Low-grade myofibroblastic sarcoma of the proximal femur: A case report and literature review. Medicine (Baltimore) 2022; 101:e31715. [PMID: 36397412 PMCID: PMC9666109 DOI: 10.1097/md.0000000000031715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
RATIONAL Low-grade myofibroblastic sarcoma (LGMS) is an atypical type of tumor composed of myofibroblasts. LGMS in the femoral head neck junction is extremely rare and no case treated by hip arthroscopy was reported. PATIENT CONCERNS We reported a case of LGMS in the femoral head neck junction treated by hip arthroscopy. A 30-year-old female was admitted to our hospital with discomfort and pain after left hip sprained one year prior. Physical examination revealed swelling of the left hip and magnetic resonance images showed a soft tissue mass in the femoral head neck junction. DIAGNOSIS Via microscopy of pathological specimens, spindle cell proliferative lesions, atypia of some cells, and mitotic figures/pathological mitotic figures of some cells were observed. Immunohistochemistry revealed positive for smooth muscle actin, focally positive for CD34 and CD68, while negative for S-100, desmin, and anaplastic lymphoma kinase. The imaging, histomorphological and immunohistochemical features suggested a final diagnosis of LGMS of the proximal femur. INTERVENTIONS This patient underwent hip arthroscopy for excision of the soft tissue mass. OUTCOMES The clinical and imaging follow-up at 6 months postoperatively showed that surgery had achieved good clinical outcomes. LESSONS To the best of our knowledge, this is the first case report of LGMS in the femoral head neck junction treated by hip arthroscopy. Beyond the present case, other 120 cases from 58 literatures (1998-2022) are reviewed and discussed. The age of LGMS patients ranged from 11 months to 77 years and the male-to-female ratio was approximately 1.28:1. The location distribution of previously reported LGMS cases and the present case was as follows: Head&neck (45.90%), trunk (30.33%), and extremity (23.77%). Hip arthroscopic excision of LGMS may achieve relatively good clinical outcomes.
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Affiliation(s)
- Guanying Gao
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Yuhao Liu
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Yingfang Ao
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Jianquan Wang
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
| | - Yan Xu
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China
- * Correspondence: Yan Xu Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, Beijing, China (e-mail: )
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7
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Mhashal S, Dokania V, Bhargava S, Gite V, Mayashankar V, Shetty N, Haneef M. S-100 Immuno-Positive Low Grade Myofibroblastic Sarcoma of Nasal Cavity: A Rare Case Presentation and Review of Literature. Indian J Otolaryngol Head Neck Surg 2022; 74:1388-1395. [PMID: 36452705 PMCID: PMC9701993 DOI: 10.1007/s12070-021-02522-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 03/22/2021] [Indexed: 11/30/2022] Open
Abstract
Introduction Myofibroblastic neoplasms comprise a spectrum of benign/malignant neoplasms. Only low-grade malignant forms have been reproducibly characterized as a diagnostic entity in the WHO classification. Low grade myofibroblastic sarcoma (LGMFS) confined to the nasal cavity is extremely rare. Objective To review previously reported cases of nasal cavity LGMFS and provide a better insight regarding its clinical and immunohistochemical features. Data synthesis A review was performed involving two databases (PubMed and Google Scholar). Four cases of nasal cavity LGMFS were included. The lesion showed no gender or nasal-side predilection. All cases underwent wide excision. None showed distant metastasis while half recurred locally. Histologically, mitotic rate ranged from 1 to 3/10 high-power-field (HPF) and none exhibited spontaneous necrosis. Immuno-expression of calponin, smooth muscle actin (SMA) and vimentin were seen in either all four or three-fourth of cases. Diffuse S-100 expression was a unique finding in present case and not reported previously, that caused a diagnostic dilemma with schwannomas. Conclusion LGMFS of nasal cavity is extremely rare. A wide resection is the primary treatment of choice. Adjuvant therapies (chemotherapy or radiotherapy) are of uncertain significance. Distant metastasis is rather unusual. Calponin, SMA and vimentin are highly sensitive immuno-markers. Diffuse S-100 expression is a possible finding. Mitotic rate < 6/10 HPF and absence of spontaneous necrosis are characteristic indolent features differentiating from high grade lesions. Trifecta of clinical and morphological features plus immunohistological phenotype, are sufficient for a definitive diagnosis. Electron microscopy is the most definitive confirmation test, however, should be reserved only for equivocal/atypical immunostaining pattern.
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Affiliation(s)
- Shashikant Mhashal
- Department of Otolaryngology-Head & Neck Surgery, HBT Medical College and Dr RN Cooper Municipal General Hospital, Juhu, Mumbai, Maharashtra India 400056
| | - Vivek Dokania
- Department of Otolaryngology-Head & Neck Surgery, HBT Medical College and Dr RN Cooper Municipal General Hospital, Juhu, Mumbai, Maharashtra India 400056
| | - Samir Bhargava
- Department of Otolaryngology-Head & Neck Surgery, HBT Medical College and Dr RN Cooper Municipal General Hospital, Juhu, Mumbai, Maharashtra India 400056
| | - Vinod Gite
- Department of Otolaryngology-Head & Neck Surgery, HBT Medical College and Dr RN Cooper Municipal General Hospital, Juhu, Mumbai, Maharashtra India 400056
| | - Vishwakarma Mayashankar
- Department of Otolaryngology-Head & Neck Surgery, HBT Medical College and Dr RN Cooper Municipal General Hospital, Juhu, Mumbai, Maharashtra India 400056
| | - Neeraj Shetty
- Department of Otolaryngology-Head & Neck Surgery, HBT Medical College and Dr RN Cooper Municipal General Hospital, Juhu, Mumbai, Maharashtra India 400056
| | - Muhammed Haneef
- Department of Otolaryngology-Head & Neck Surgery, HBT Medical College and Dr RN Cooper Municipal General Hospital, Juhu, Mumbai, Maharashtra India 400056
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Modaboyina S, Pushker N, Agarwal S, Bakhshi S, Sen S, Ray R, Kashyap S. Recurrent periorbital low-grade myofibroblastic sarcoma in an infant. Indian J Ophthalmol 2022; 70:2744-2746. [PMID: 35791232 PMCID: PMC9426097 DOI: 10.4103/ijo.ijo_2686_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Sujeeth Modaboyina
- Oculoplastics, Tumor and Pediatric Ophthalmology Services, New Delhi, India
| | - Neelam Pushker
- Oculoplastics, Tumor and Pediatric Ophthalmology Services, New Delhi, India
| | - Sahil Agarwal
- Oculoplastics, Tumor and Pediatric Ophthalmology Services, New Delhi, India
| | - Sameer Bakhshi
- Department of Medical Oncology, Dr BRAIRCH, All India Institute of Medical Sciences, New Delhi, India
| | - Seema Sen
- Department of Ocular Pathology, Dr. R. P. Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Ruma Ray
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Seema Kashyap
- Department of Ocular Pathology, Dr. R. P. Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
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9
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Lin Y, Gao X, Liu Z, Liu Z, Li Y, Liang R, Liao Z, Ye J. Effective Treatment of Low-Grade Myofibroblastic Sarcoma with Apatinib: A Case Report and Literature Review. Pharmgenomics Pers Med 2022; 15:573-582. [PMID: 35698620 PMCID: PMC9188403 DOI: 10.2147/pgpm.s359492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 05/31/2022] [Indexed: 11/23/2022] Open
Abstract
Low-grade myofibroblastic sarcoma (LGMS) is a rare, poorly differentiated, malignant tumor. The disease mainly occurs in the head and neck and rarely metastasizes at any age. Currently, there is no consensus regarding the treatment of metastatic LGMS. Here, we report the case of a 45-year-old man who was admitted to our hospital with cough for two weeks and abdominal pain for one week. Preoperative computed tomography revealed a large mass (116×35 mm) in both the lungs and jejunal mass (maximum diameter, 32 mm). The tumor was excised, and immunohistochemical staining was positive for SMA and CD117 and negative for desmin and CD34, indicating a case of LGMS. The patient was effectively treated with apatinib (250 mg/day) after failure of imatinib, liposomal doxorubicin, and ifosfamide. The progression-free survival time was 8.5 months, and the overall survival time was 17 months after treatment with apatinib. No grade 3 or 4 side effects were observed, except hand-foot syndrome. Whole-exome sequencing (WES) and RNA sequencing (RNA-seq) were performed on the patient’s jejunal tumor and para-cancerous tissue samples, and bioinformatics analysis was performed on the results. WES identified five mutations in MKI67, OR2J2, EPPK1, FCGBP, and OR10G4. RNA-seq revealed that 1422 genes were upregulated and 1890 genes were downregulated. The differentially expressed genes were mainly enriched in the phosphatidylinositol 3-kinase (PI3K) signaling pathway, neuroactive ligand-receptor interaction signaling pathway, and cAMP signaling pathway. Our study indicated that apatinib may be a potential novel and effective treatment for LGMS.
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Affiliation(s)
- Yan Lin
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, People’s Republic of China
| | - Xing Gao
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, People’s Republic of China
| | - Ziyu Liu
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, People’s Republic of China
| | - Zhihui Liu
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, People’s Republic of China
| | - Yongqiang Li
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, People’s Republic of China
| | - Rong Liang
- Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, People’s Republic of China
- Correspondence: Rong Liang, Department of Medical Oncology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, 530021, People’s Republic of China, Tel +86 771 5335155, Fax +86 771 5335155, Email
| | - Zhiling Liao
- Department of Pathology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, People’s Republic of China
| | - Jiazhou Ye
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, People’s Republic of China
- Jiazhou Ye, Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, 530021, People’s Republic of China, Tel +86 771 5331211, Fax +86 771 5331211, Email
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10
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11
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Mulay K, Sen M, Honavar SG. Limbal, low-grade myofibroblastic sarcoma: Case report and literature review. Indian J Ophthalmol 2021; 68:2538-2540. [PMID: 33120683 PMCID: PMC7774147 DOI: 10.4103/ijo.ijo_2410_20] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Low-grade myofibroblastic sarcoma is a relatively recently-described neoplasm of the myofibroblasts having a predilection for the head and neck region. Ophthalmic involvement is extremely rare. Limbal involvement has not yet been documented in the literature. We describe one such case involving the limbus of a 48-year-old Asian male.
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Affiliation(s)
- Kaustubh Mulay
- National Reporting Centre for Ophthalmic Pathology, Centre for Sight, Hyderabad, Telangana, India
| | - Mrittika Sen
- Oculoplastics, Facial Aesthetics and Ocular Oncology, Centre for Sight, Hyderabad, Telangana, India
| | - Santosh G Honavar
- Oculoplastics, Facial Aesthetics and Ocular Oncology, Centre for Sight, Hyderabad, Telangana, India
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Yonezawa H, Yamamoto N, Hayashi K, Takeuchi A, Miwa S, Igarashi K, Langit MB, Kimura H, Shimozaki S, Kato T, Morinaga S, Araki Y, Asano Y, Ikeda H, Nojima T, Tsuchiya H. Low-grade myofibroblastic sarcoma of the levator scapulae muscle: a case report and literature review. BMC Musculoskelet Disord 2020; 21:836. [PMID: 33302922 PMCID: PMC7731512 DOI: 10.1186/s12891-020-03857-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 12/03/2020] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Low-grade myofibroblastic sarcoma (LGMS) is described as a distinct atypical myofibroblastic tumor often with fibromatosis-like features and predilection for the head and neck, especially the oral cavity and larynx. LGMS arising in the levator scapulae muscle is extremely rare. CASE PRESENTATION A 69-year-old woman was admitted to our hospital because she noticed a hard mass in her left neck six months prior. Magnetic resonance images (MRI) showed a soft tissue tumor of the left levator scapulae muscle. A core needle biopsy showed cellular fascicles or a storiform growth pattern of spindle-shaped tumor cells with minimally atypia. Immunohistochemistry revealed focally positive for α-smooth muscle actin (α-SMA), negative for S-100, and a low-grade spindle cell sarcoma was suspected. Following a biopsy, the tumor was resected with a wide surgical margin. Immunohistochemical staining was a positive for vimentin and α-SMA and negative for desmin, CD34, nuclear β-catenin, and h-caldesmon. LGMS diagnosis was determined based on the histopathological findings. The patient was alive with no evidence of disease eight years after the surgery. CONCLUSIONS To the best of our knowledge, this is the first case report of LGMS arising in the levator scapulae muscle. In addition to the case report, 48 reports with 103 LGMS cases are reviewed and discussed. In previous reports of LGMS, there were 43 females and 60 males, with a mean age of 43.0 years (range, 2-75). There were 13 (12.6%) patients aged < 18 years, 67 (65.1%) patients aged 18 to 59 years, and 23 (22.3%) patients aged ≥60 years. The average tumor size was 4.4 cm (range: 0.4-22.0). The commonest sites of LGMS was the tongue. Tumor growth patterns were evaluated in 52 cases, and 44 cases (84.6%) showed infiltrative growth patterns. Local recurrence was 26.7%, and distant metastasis was 4.4%. Because of the locally aggressive feature, it is important to diagnose LGMS with biopsy and to excise the tumor with an adequately wide margin.
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Affiliation(s)
- Hirotaka Yonezawa
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan.
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Akihiko Takeuchi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Kentaro Igarashi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Mickhael Bang Langit
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan.,Department of Orthopedics, Philippine Orthopedic Center, Quezon City, Manilla, Philippines
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Shingo Shimozaki
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Takashi Kato
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Sei Morinaga
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Yoshihiro Araki
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Yohei Asano
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
| | - Hiroko Ikeda
- Department of Diagnostic Pathology, Kanazawa University Hospital, Kanazawa, Japan
| | - Takayuki Nojima
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan.,Department of Diagnostic Pathology, Kanazawa University Hospital, Kanazawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, Ishikawa, 920-8640, Japan
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Tang L, Xu H, Gao H, Yang H, Chen S, Zhang P. Primary low-grade myofibroblastic sarcoma: A rare case report of this tumor in the orbit and literature review. Eur J Ophthalmol 2020; 32:1120672120970392. [PMID: 33198493 DOI: 10.1177/1120672120970392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Low-grade myofibroblastic sarcoma (LGMS) is an exceedingly rare, malignant tumor with myofibroblastic differentiation. It frequently occurs in the oral cavity and extremities, despite being classified as a distinct entity by the World Health Organization (WHO). Here, we report a rare case of orbital LGMS occurring in an 11-month-old baby with a 3.2 × 2.4 × 2.1 cm mass. LGMS was diagnosed based on the histological and immunohistochemical findings. Previous literature suggests that surgical resection with clear margins is an appropriate method for the treatment of LGMS, and combined adjuvant therapy (local radiotherapy with or without chemotherapy) can improve the prognosis, but further studies are needed.
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Affiliation(s)
- Lijuan Tang
- Department of Ocular Pathology, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Hua Xu
- Department of Ocular Pathology, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Huanhuan Gao
- Department of Ocular Pathology, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Huasheng Yang
- Department of Orbital Disease and Oncology, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Shuxia Chen
- Department of Ocular Pathology, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Ping Zhang
- Department of Ocular Pathology, State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
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Is there a role for chemotherapy and radiation in the treatment of patients with low-grade myofibroblastic sarcoma? Clin Transl Oncol 2020; 23:344-352. [PMID: 32607812 DOI: 10.1007/s12094-020-02425-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 06/10/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE Low-grade myofibroblastic sarcoma (LGMS) is a rare entity with a predilection for the head and neck. There are still no optimal treatment strategies for patients with LGMS. We retrospectively investigated the efficacies of chemotherapy and radiation treatment for patients with LGMS. METHODS/PATIENTS We obtained data from the Surveillance, Epidemiology, and End Result (SEER) database for 96 patients diagnosed with LGMS between 2001 and 2015. We used Kaplan-Meier curves and log-rank tests to estimate overall survival (OS) and Cox proportional hazard regression to identify prognostic factors. RESULTS The median age of the patients was 55.0 years. Twenty-two of the patients had LGMS in the head and neck region. Of the 96 patients, 86 (89.6%) received surgical treatment, 28 (29.2%) received radiation treatment, and 20 (10.4%) received chemotherapy. The mean OS was 125.2 [95% confidence interval (CI) 106.3-144.2] months. The 1, 3, 5, and 10-year OS rates were 88%, 77%, 70%, and 59%, respectively. Age greater than 60 years, positive nodal status, and no surgical treatment were independent prognostic factors for patients with LGMS, whereas chemotherapy and radiation treatment were not. CONCLUSIONS Surgical resection is the most effective therapy for LGMS. Chemotherapy and radiation had limited effects on survival improvement for patients with LGMS. Therefore, chemotherapy and/or radiation therapy should not be routinely performed in LGMS, especially for those with negative margins after surgery.
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Hamon J, Bourkis A, Le Toux G. Low-grade myofibroblastic sarcoma: a case report of a child. JOURNAL OF ORAL MEDICINE AND ORAL SURGERY 2019. [DOI: 10.1051/mbcb/2019012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Introduction: Myofibroblastic sarcomas are malignant tumors characterized by the increased proliferation of myofibroblasts; they are rare and have been recently discovered. Observation: A 14-year-old adolescent had a large lesion in the inside of her right mandible. The diagnosis, after a difficult histological analysis, was low-grade myofibrosarcoma. The patient was treated with non-interruptive hemimandibulectomy. Discussion: Low-grade myofibroblastic sarcoma is one of four types of myofibroblastic sarcomas recognized by the WHO in the 2001 classification. This classification allows us to determine a prognosis based on histological characteristics of the lesion. Conclusion: In all cases of low-grade myofibroblastic sarcoma, the preferred treatment is curative surgical resection; but still poses a problem in the prosthetic rehabilitation of oral lesion.
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Oroz A, Bokun Z, Lazović B, Čukić O, Valjarević S. Rare malignant skin tumours of the head and neck. SANAMED 2018. [DOI: 10.24125/sanamed.v13i3.245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Introduction: Malignant skin tumors in the majority of cases arise from the squamous epithelium, although they may occur in other accompanying skin structures, such as skin adnexa (hair follicle, sweat and sebaceous glands), as well as soft tissues participating in the building of skin structure, such as muscles, fibrous, fatty tissue and cartilagå. Those tumors may also have a neuroendocrine origin or may arise from a premalignant lesion (solar keratosis and lentigo maligna). Regardless of their origin, they usually present as a nodule or longstanding, non-healing ulceration. Their early recognition enhances the treatment results and decreases the possibility of complications (invasion of deeper tissue structures and occurrence of regional and distant metastases). Material and methods: Our retrospective study included 100 patients of both sexes surgically treated for skin malignancy in the Department for Otorhinolaryngology and Maxillofacial surgery of the Clinical Hospital Centre "Zemun" , Belgrade, Serbia. The goal of this paper is to highlight the frequency of rare malignant tumors compared to the more frequent ones and consider the most appropriate clinical-diagnostic approach as well as the treatment modality for the patient. Conclusion: Our study has shown that the most frequent tumor of the head and neck skin is basal cell carcinoma.
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