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Schmitz F, Sedaghat S. Inferring malignancy grade of soft tissue sarcomas from magnetic resonance imaging features: A systematic review. Eur J Radiol 2024; 177:111548. [PMID: 38852328 DOI: 10.1016/j.ejrad.2024.111548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/22/2024] [Accepted: 06/02/2024] [Indexed: 06/11/2024]
Abstract
PURPOSE Systematic reviews on the grading of STS using MRI are lacking. This review analyses the role of different MRI features in inferring the histological grade of STS. MATERIALS AND METHODS A systematic review was conducted and is reported in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) checklist. The electronic databases of PubMed/MEDLINE were systematically searched for literature addressing the correlation of MRI findings in soft tissue sarcoma with tumor grade. As keywords "MRI", "magnetic resonance imaging", "sarcoma", "grade", "grading", and "FNCLCC" have been selected. RESULTS 14 studies have been included in this systematic review. Tumor size (p = 0.015 (51 patients) to p = 0.81 (36 patients)), tumor margin (p < 0.001 (95 patients) to 0.93 (36 patients)), necrosis (p = 0.004 (50 patients) to p = 0.65 (95 patients)), peritumoral edema (p = 0.002 (130 patients) to p = 0.337 (40 patients)), contrast enhancement (p < 0.01 (50 patients) to 0.019 (51 patients)) and polycyclic/multilobulated tumor configuration (p = 0.008 (71 patients)) were significantly associated with STS malignancy grade in most of the included studies. Heterogeneity in T2w images (p = 0.003 (130 patients) to 0.202 (40 patients)), signal intensity in T1w images/ hemorrhage (p = 0.02 (130 patients) to 0.5 (31 patients)), peritumoral contrast enhancement (p < 0.001 (95 patients) to 0.253 (51 patients)) and tumoral diffusion restriction (p = 0.01 (51 patients) to 0.53 (52 patients)) were regarded as significantly associated with FNCLCC grade in some of the studies which investigated these features. Most other MRI features were not significant. CONCLUSION Several MRI features, such as tumor size, necrosis, peritumoral edema, peritumoral contrast enhancement, intratumoral contrast enhancement, and polycyclic/multilobulated tumor configuration may indicate the malignancy grade of STS. However, further studies are needed to gain consensus.
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Affiliation(s)
- Fabian Schmitz
- Department of Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany
| | - Sam Sedaghat
- Department of Diagnostic and Interventional Radiology, University Hospital Heidelberg, Im Neuenheimer Feld 420, 69120 Heidelberg, Germany.
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Kawasaki T, Ichikawa J, Imada H, Kanno S, Onohara K. Comment on Manole et al. Primary Pericardial Synovial Sarcoma: A Case Report and Literature Review. Diagnostics 2022, 12, 158. Diagnostics (Basel) 2024; 14:1012. [PMID: 38786310 PMCID: PMC11119059 DOI: 10.3390/diagnostics14101012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/21/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024] Open
Abstract
With great interest, we read the article by Manole et al [...].
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Affiliation(s)
- Tomonori Kawasaki
- Department of Pathology, Saitama Medical University International Medical Center, Hidaka 350-1298, Saitama, Japan
| | - Jiro Ichikawa
- Department of Orthopaedic Surgery, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan
| | - Hiroki Imada
- Department of Pathology, Saitama Medical Center, Saitama Medical University, Kawagoe 350-8585, Saitama, Japan
| | - Satoshi Kanno
- Department of Pathology, Saitama Medical University International Medical Center, Hidaka 350-1298, Saitama, Japan
| | - Kojiro Onohara
- Department of Radiology, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Chuo 409-3898, Yamanashi, Japan
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Kawasaki T, Ichikawa J, Onohara K. Responding to "Chronic thigh pain in a young adult diagnosed as synovial sarcoma: A case report" by Dr Chambers and Lesher. PM R 2024; 16:519-520. [PMID: 37792544 DOI: 10.1002/pmrj.13073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 09/20/2023] [Indexed: 10/06/2023]
Affiliation(s)
- Tomonori Kawasaki
- Department of Pathology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Jiro Ichikawa
- Department of Orthopedic Surgery, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Kojiro Onohara
- Department of Radiology, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
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Kawasaki T, Nakajima T, Torigoe T, Onohara K, Ishii K, Kanno S, Muramatsu C, Tatsuno R, Jubashi T, Ichikawa J. Case report: Characteristics and nature of primary cardiac synovial sarcoma. Front Oncol 2024; 14:1361414. [PMID: 38634047 PMCID: PMC11022687 DOI: 10.3389/fonc.2024.1361414] [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: 12/25/2023] [Accepted: 02/29/2024] [Indexed: 04/19/2024] Open
Abstract
Primary malignant cardiac tumors rarely occur, and cardiac synovial sarcoma (SS) is especially rare among such tumors. Herein, we present the case of a 35-year-old female with primary cardiac SS treated with surgery, chemotherapy, and radiotherapy. She presented with chest symptoms and underwent imaging examinations. A cardiac tumor was suspected, and an open biopsy was performed. The pathological findings suggested cardiac SS. Next, we performed a resection, and the tumors persisted at a macroscopic level. Immunohistochemistry was negative for SS18-SSX and positive for the SSX C-terminus and cytokeratin CAM5.2, a reduction of SMARCB1/INI1 was observed, and fluorescence in situ hybridization showed positive SS18 split staining. Owing to the FNCLCC grade 3 tumor and R2 margins, adjuvant chemotherapy with ifosfamide, doxorubicin, and radiotherapy was initiated, and the patient was diagnosed with cardiac SS. The differences in patients with cardiac SS compared with general SS include male predominance, larger tumor size, and poorer prognosis. Pathological findings of immunohistochemistry and fluorescence in situ hybridization were found to be more reliable than imaging findings for a correct diagnosis. Additionally, because incomplete resection is frequently performed, adjuvant therapy, including chemotherapy and radiation therapy, may be performed. The findings indicate that multiple therapies, including surgery, chemotherapy, and radiotherapy, are essential treatment strategies for improving the prognosis of patients with cardiac SS.
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Affiliation(s)
- Tomonori Kawasaki
- Department of Pathology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Tomomi Nakajima
- Department of Cardiovascular Surgery, Saitama Medical University International Medical Center, Saitama, Japan
| | - Tomoaki Torigoe
- Department of Orthopedic Oncology & Surgery, Saitama Medical University International Medical Center, Saitama, Japan
| | - Kojiro Onohara
- Department of Radiology, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan
| | - Kentaro Ishii
- Department of Orthopedic Oncology & Surgery, Saitama Medical University International Medical Center, Saitama, Japan
| | - Satoshi Kanno
- Department of Pathology, Saitama Medical University International Medical Center, Saitama, Japan
| | | | - Rikito Tatsuno
- Department of Orthopedic Surgery, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Takahiro Jubashi
- Department of Orthopedic Surgery, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Jiro Ichikawa
- Department of Orthopedic Surgery, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
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Mitsui K, Ichikawa J, Kawasaki T, Onohara K. Comment on "The potential pitfalls of synovial sarcoma mimicking intraneural ganglion cyst: A case report and literature review". Int J Surg Case Rep 2023; 112:108892. [PMID: 37832363 PMCID: PMC10582512 DOI: 10.1016/j.ijscr.2023.108892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Affiliation(s)
- Kouhei Mitsui
- Department of Orthopaedic Surgery, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Jiro Ichikawa
- Department of Orthopaedic Surgery, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan.
| | - Tomonori Kawasaki
- Department of Pathology Saitama Medical University International Medical Center, Saitama, Japan
| | - Kojiro Onohara
- Department of Radiology, University of Yamanashi, Yamanashi, Japan
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Cho EB, Lee SK, Kim JY, Kim Y. Synovial Sarcoma in the Extremity: Diversity of Imaging Features for Diagnosis and Prognosis. Cancers (Basel) 2023; 15:4860. [PMID: 37835554 PMCID: PMC10571652 DOI: 10.3390/cancers15194860] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/15/2023] [Accepted: 10/02/2023] [Indexed: 10/15/2023] Open
Abstract
Synovial sarcomas are rare and highly aggressive soft-tissue sarcomas, primarily affecting adolescents and young adults aged 15-40 years. These tumors typically arise in the deep soft tissues, often near the large joints of the extremities. While the radiological features of these tumors are not definitely indicative, the presence of calcification in a soft-tissue mass (occurring in 30% of cases), adjacent to a joint, strongly suggests the diagnosis. Cross-sectional imaging characteristics play a crucial role in diagnosing synovial sarcomas. They often reveal significant characteristics such as multilobulation and pronounced heterogeneity (forming the "triple sign"), in addition to features like hemorrhage and fluid-fluid levels with septa (resulting in the "bowl of grapes" appearance). Nevertheless, the existence of non-aggressive features, such as gradual growth (with an average time to diagnosis of 2-4 years) and small size (initially measuring < 5 cm) with well-defined margins, can lead to an initial misclassification as a benign lesion. Larger size, older age, and higher tumor grade have been established as adverse predictive indicators for both local disease recurrence and the occurrence of metastasis. Recently, the prognostic importance of CT and MRI characteristics for synovial sarcomas was elucidated. These include factors like the absence of calcification, the presence of cystic components, hemorrhage, the bowl of grape sign, the triple sign, and intercompartmental extension. Wide surgical excision remains the established approach for definitive treatment. Gaining insight into and identifying the diverse range of presentations of synovial sarcomas, which correlate with the prognosis, might be helpful in achieving the optimal patient management.
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Affiliation(s)
- Eun Byul Cho
- Department of Radiology, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Uijeongbu 11765, Republic of Korea
| | - Seul Ki Lee
- Department of Radiology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Jee-Young Kim
- Department of Radiology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Yuri Kim
- Department of Radiology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
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Griffith JF. Practical approach to ultrasound of soft tissue tumors and the added value of MRI: how I do it. J Ultrason 2023; 23:e299-e312. [PMID: 38020510 PMCID: PMC10668928 DOI: 10.15557/jou.2023.0036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 09/28/2023] [Indexed: 12/01/2023] Open
Abstract
This review outlines a practical approach to the everyday assessment of both non-neoplastic and neoplastic soft tissue tumors, focusing on ultrasound examination, though emphasizing the added benefit of magnetic resonance imaging in certain instances. Ultrasound approach and assessment, practical scenarios, reporting, biopsy, and follow-up are covered, as well as the criteria used to distinguish benign from malignant tumors. The potential benefits and current limitations of elastography and contrast-enhanced ultrasound in assessment are also addressed. Examples of commonly encountered soft tissue tumors are shown. Ultrasound can characterize most soft tissue masses based on their ultrasound appearance alone. Following ultrasound examination, three potential scenarios usually exist in clinical practice: (a) confident regarding diagnosis, (b) indeterminate mass with no evidence of malignancy, and (c) indeterminate mass with possibility of malignancy. A diagnostic pathway for each of these scenarios is provided. Magnetic resonance imaging is generally not helpful in further characterizing masses which are indeterminate on ultrasound assessment, though it is helpful in addressing other issues such as exact tumor location and neurovascular bundle involvement that may not be fully resolved on ultrasound examination. In these situations, magnetic resonance imaging examination can be tailored to address those specific questions that have not been adequately addressed on ultrasound examination. In this sense, both examinations are highly complementary. Tips for undertaking magnetic resonance imaging examinations are provided.
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Affiliation(s)
- James Francis Griffith
- Department of Imaging and Interventional Radiology, The Chinese University of Hong Kong, Shenzhen, Hong Kong
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Ichikawa J, Imada H, Kanno S, Kawasaki T. General Commentary: Synovial sarcoma of the head and neck: A review of reported cases on the clinical characteristics and treatment methods. Front Cell Dev Biol 2023; 11:1164523. [PMID: 36936684 PMCID: PMC10020605 DOI: 10.3389/fcell.2023.1164523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 02/22/2023] [Indexed: 03/06/2023] Open
Affiliation(s)
- Jiro Ichikawa
- Department of Orthopaedic Surgery, Interdisciplinary Graduate School of Medicine, University of Yamanashi, Yamanashi, Japan
- *Correspondence: Jiro Ichikawa,
| | - Hiroki Imada
- Department of Pathology, Saitama Medical Center, Saitama Medical University, Kawagoe, Saitama, Japan
| | - Satoshi Kanno
- Department of Pathology, Saitama Medical University International Medical Center, Saitama, Japan
| | - Tomonori Kawasaki
- Department of Pathology, Saitama Medical University International Medical Center, Saitama, Japan
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Crombé A, Kind M, Fadli D, Miceli M, Linck PA, Bianchi G, Sambri A, Spinnato P. Soft-tissue sarcoma in adults: Imaging appearances, pitfalls and diagnostic algorithms. Diagn Interv Imaging 2022; 104:207-220. [PMID: 36567193 DOI: 10.1016/j.diii.2022.12.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/08/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
This article provides an overview of the current knowledge regarding diagnostic imaging of patients with soft-tissue sarcomas, which is a heterogeneous group of rare mesenchymal malignancies. After an initial contextualization, diagnostic flow-chart based on initial radiological findings of soft-tissue masses (with specific focus on adipocytic soft-tissue tumors [STTs], hemorragic STTs and retroperitoneal STTs) are provided considering relevant results from novel researches, guidelines, and experts' viewpoints, with the aim to help radiologists and clinicians in their practice. Particularly, the central place of sarcoma reference centers in the diagnostic and therapeutic management is highlighted, as well as the pivotal role that radiologists should play to correctly identify patients with soft-tissue sarcoma at the initial stage of the disease. Indications and methods for performing imaging-guided biopsies are also discussed, as well as clues to improve soft-tissue sarcoma grading with conventional and quantitative imaging.
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Affiliation(s)
- Amandine Crombé
- Department of Musculoskeletal Imaging, Pellegrin University Hospital, Bordeaux 33076, France; Department of Diagnostic and Interventional Oncological Imaging, Institut Bergonié, Regional Comprehensive Cancer of Nouvelle-Aquitaine, Bordeaux 33076, France; Models in Oncology (MONC) Team, INRIA Bordeaux Sud-Ouest, CNRS UMR 5251 & Bordeaux University, 33400 Talence, France.
| | - Michèle Kind
- Department of Diagnostic and Interventional Oncological Imaging, Institut Bergonié, Regional Comprehensive Cancer of Nouvelle-Aquitaine, Bordeaux 33076, France
| | - David Fadli
- Department of Musculoskeletal Imaging, Pellegrin University Hospital, Bordeaux 33076, France
| | - Marco Miceli
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Bologna 40136, Italy
| | - Pierre-Antoine Linck
- Department of Diagnostic and Interventional Oncological Imaging, Institut Bergonié, Regional Comprehensive Cancer of Nouvelle-Aquitaine, Bordeaux 33076, France
| | - Giuseppe Bianchi
- Orthopedic Musculoskeletal Oncology Unit, IRCCS Istituto Ortopedico Rizzoli, Bologna 40136, Italy
| | - Andrea Sambri
- Orthopedics and Traumatology Department, IRCCS Azienda Ospedaliero Universitaria di Bologna, Via Massarenti 9, Bologna 40138, Italy
| | - Paolo Spinnato
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Bologna 40136, Italy
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