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Janik AM, Terlecka A, Spałek MJ, Boye K, Szostakowski B, Chmiel P, Szumera-Ciećkiewicz A, Bobak K, Świtaj T, Rutkowski P, Czarnecka AM. Diagnostics and Treatment of Extrameningeal Solitary Fibrous Tumors. Cancers (Basel) 2023; 15:5854. [PMID: 38136399 PMCID: PMC10742263 DOI: 10.3390/cancers15245854] [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: 11/16/2023] [Revised: 12/07/2023] [Accepted: 12/09/2023] [Indexed: 12/24/2023] Open
Abstract
Solitary fibrous tumors (SFT) are rare mesenchymal neoplasms that account for less than 2% of all soft tissue masses. In the latest WHO 2020 Classification of Soft Tissue Tumors, extrameningeal SFT was listed as intermediate (rarely metastasizing) or malignant neoplasms. Due to the lack of characteristic clinical features, their diagnosis and treatment remain challenging. The pathogenesis of SFT is often associated with the presence of fusions of the NAB2-STAT6 gene on the 12q13 chromosome. Cytoplasmic CD34 positive staining is considerably characteristic for most SFTs; less frequently, factor XII, vimentin, bcl-2, and CD99 are present. A key factor in the diagnosis is the prevalent nuclear location of STAT6 expression. Radical resection is the mainstay of localized SFTs. In the case of unresectable disease, only radiotherapy or radio-chemotherapy may significantly ensure long-term local control of primary and metastatic lesions. To date, no practical guidelines have been published for the treatment of advanced or metastatic disease. Classical anthracycline-based chemotherapy is applicable. The latest studies suggest that antiangiogenic therapies should be considered after first-line treatment. Other drugs, such as imatinib, figitumumab, axitinib, and eribulin, are also being tested. Definitive radiotherapy appears to be a promising therapeutic modality. Since standards for the treatment of advanced and metastatic diseases are not available, further investigation of novel agents is necessary.
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Affiliation(s)
- Anna Maria Janik
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.M.J.); (A.T.); (M.J.S.); (B.S.); (P.C.); (K.B.); (T.Ś.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Anna Terlecka
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.M.J.); (A.T.); (M.J.S.); (B.S.); (P.C.); (K.B.); (T.Ś.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Mateusz J. Spałek
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.M.J.); (A.T.); (M.J.S.); (B.S.); (P.C.); (K.B.); (T.Ś.); (P.R.)
- Department of Radiotherapy I, Maria Sklodowska-Curie National Research Institute of Oncology, 02-718 Warsaw, Poland
| | - Kjetil Boye
- Department of Oncology, Oslo University Hospital, 0372 Oslo, Norway;
| | - Bartłomiej Szostakowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.M.J.); (A.T.); (M.J.S.); (B.S.); (P.C.); (K.B.); (T.Ś.); (P.R.)
| | - Paulina Chmiel
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.M.J.); (A.T.); (M.J.S.); (B.S.); (P.C.); (K.B.); (T.Ś.); (P.R.)
| | - Anna Szumera-Ciećkiewicz
- Department of Pathology, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland;
- Diagnostic Hematology Department, Institute of Hematology and Transfusion Medicine, 02-776 Warsaw, Poland
| | - Klaudia Bobak
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.M.J.); (A.T.); (M.J.S.); (B.S.); (P.C.); (K.B.); (T.Ś.); (P.R.)
| | - Tomasz Świtaj
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.M.J.); (A.T.); (M.J.S.); (B.S.); (P.C.); (K.B.); (T.Ś.); (P.R.)
| | - Piotr Rutkowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.M.J.); (A.T.); (M.J.S.); (B.S.); (P.C.); (K.B.); (T.Ś.); (P.R.)
| | - Anna M. Czarnecka
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (A.M.J.); (A.T.); (M.J.S.); (B.S.); (P.C.); (K.B.); (T.Ś.); (P.R.)
- Department of Experimental Pharmacology, Mossakowski Medical Research Institute Polish Academy of Sciences, 02-106 Warsaw, Poland
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Chen L, Sang Y, Zhang Z, Yang W, Chen Y. Strategy for initial en bloc resection of a giant mediastinal solitary fibrous tumor: Judicious usage of cardiopulmonary bypass. Thorac Cancer 2020; 11:2048-2050. [PMID: 32379392 PMCID: PMC7327677 DOI: 10.1111/1759-7714.13477] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 04/20/2020] [Indexed: 12/15/2022] Open
Abstract
A solitary fibrous tumor (SFT) is a rare mediastinal neoplasm associated with a high recurrence rate. Total excision on initial surgery is an established indicator of a positive outcome. Here, we report the case of a 52-year-old man who was admitted to our hospital with symptoms of cough, chest pain, and dyspnea for two months. Chest computed tomography (CT) scan revealed a middle mediastinal mass which infiltrated adjacent vital structures, and surgery was performed with the assistance of cardiopulmonary bypass (CPB) and median sternotomy. The mass was completely removed and histopathology confirmed the presence of a mesenchymal tumor. The patient had an uneventful recovery without any perioperative symptoms, hoarseness, or dysfunction of the diaphragm. Sixty-nine months after surgery, a CT scan confirmed that the patient remained disease-free without necessitating the introduction of chemotherapy or radiotherapy. Here, to the best of our knowledge, we report the first case of a giant invasive mediastinal SFT that was completely resected during initial surgery under CPB with a remarkable outcome.
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Affiliation(s)
- Lei Chen
- Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yonghua Sang
- Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhiwei Zhang
- Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Wentao Yang
- Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yongbing Chen
- Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou, China
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A New Primary in Parotid Gland with History of Treated Mediastinal Solitary Fibrous Tumour. Case Rep Surg 2019; 2019:3234692. [PMID: 30723568 PMCID: PMC6339743 DOI: 10.1155/2019/3234692] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Accepted: 12/04/2018] [Indexed: 11/21/2022] Open
Abstract
Solitary fibrous tumours (SFTs) are rare tumours in the head and neck region. They have been reported in many anatomic sites but occurrence in the parotid gland is exceptional. We report a very rare finding of a benign SFT of the parotid gland in a patient with a past history of excision of a malignant type of mediastinal tumour. It is important that clinicians are aware of the possible existence of SFT in the parotid as a synchronous lesion or occurrence of the same disease later on elsewhere when SFT is diagnosed at one anatomical site. This case report illustrates that regular clinical and imaging follow-up is essential in SFTs to look for the appearance of new lesions in the other anatomic site.
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Haas RL, Walraven I, Lecointe-Artzner E, Scholten AN, van Houdt WJ, Griffin AM, Ferguson PC, Miah AB, Zaidi S, DeLaney TF, Chen YL, Spalek M, Krol SDG, Moeri-Schimmel RG, van de Sande MAJ, Sangalli C, Stacchiotti S. Radiation Therapy as Sole Management for Solitary Fibrous Tumors (SFT): A Retrospective Study From the Global SFT Initiative in Collaboration With the Sarcoma Patients EuroNet. Int J Radiat Oncol Biol Phys 2018; 101:1226-1233. [PMID: 29859795 DOI: 10.1016/j.ijrobp.2018.04.024] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 04/03/2018] [Accepted: 04/10/2018] [Indexed: 12/26/2022]
Abstract
PURPOSE Solitary fibrous tumors (SFTs) are extremely rare mesenchymal malignancies. Given the lack of large prospective studies on radiation therapy (RT) with definitive and/or palliative intent in SFT patients, this retrospective study aimed to better define the benefit of RT in this disease. METHODS AND MATERIALS A retrospective observational study was performed across 7 sarcoma centers. Clinical information was retrieved from all patients receiving RT without surgery over the course of their locally advanced and/or metastatic disease. Differences in treatment characteristics between subgroups were tested using analysis-of-variance tests. Local control (LC) and overall survival (OS) rates were calculated as time from the start of RT until local progression and death from any cause, respectively. RESULTS Since 1990, a total of 40 patients were identified. RT was applied with definitive intent in 16 patients and with palliative intent in 24. The median follow-up period was 62 months. In patients treated with definitive RT (receiving approximately 60 Gy), the objective response rate was 67%. At 5 years, the LC rate was 81.3%, and the OS rate was 87.5%. In the case of palliative RT (typically 39 Gy), the objective response rate was 38%. The LC and OS rates at 5 years were 62.5% and 54.2%, respectively. In both subgroups, RT-associated toxicities were mild with predominantly grade 1 acute and late side effects. CONCLUSIONS This retrospective study suggests a clinically meaningful benefit for RT given with either definitive or palliative intent without surgery in SFT management. Prospective registries potentially in collaboration with patient advocacy groups are warranted to further assess the role of RT in patients with this rare malignancy.
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Affiliation(s)
- Rick L Haas
- Department of Radiotherapy, Netherlands Cancer Institute, Amsterdam, The Netherlands; Department of Radiation Oncology, Leiden University Medical Center, Leiden, The Netherlands.
| | - Iris Walraven
- Department of Radiotherapy, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | | | - Astrid N Scholten
- Department of Radiotherapy, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Winan J van Houdt
- Department of Surgical Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Anthony M Griffin
- Division of Orthopedic Surgery, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Peter C Ferguson
- Division of Orthopedic Surgery, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Aisha B Miah
- Department of Radiotherapy and Physics, Sarcoma Unit, Royal Marsden Hospital, London, UK
| | - Shaine Zaidi
- Department of Radiotherapy and Physics, Sarcoma Unit, Royal Marsden Hospital, London, UK
| | - Thomas F DeLaney
- Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Yen-Lin Chen
- Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts
| | - Mateusz Spalek
- Department of Radiation Oncology, Maria Sklodowska-Curie Institute-Oncology Center, Warsaw, Poland
| | - Stijn D G Krol
- Department of Radiation Oncology, Leiden University Medical Center, Leiden, The Netherlands
| | | | | | - Claudia Sangalli
- Department of Radiation Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Silvia Stacchiotti
- Adult Mesenchymal and Rare Tumor Unit, Department of Cancer Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
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Saynak M, Veeramachaneni NK, Hubbs JL, Okumuş D, Marks LB. Solitary Fibrous Tumors of Chest: Another Look with the Oncologic Perspective. Balkan Med J 2017; 34:188-199. [PMID: 28443588 PMCID: PMC5450857 DOI: 10.4274/balkanmedj.2017.0350] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Solitary fibrous tumors are mesenchymal lesions that arise at a variety of sites, most commonly the pleura. Most patients are asymptomatic at diagnosis, with lesions being detected incidentally. Nevertheless, some patients present due to symptoms from local tumor compression (eg. of the airways and pulmonary parenchyma). Furthermore, radiological methods are not always conclusive in making a diagnosis, and thus, pathological analysis is often required. In the past three decades, immunohistochemical techniques have provided a gold standard in solitary fibrous tumor diagnosis. The signature marker of solitary fibrous tumor is the presence of the NAB2-STAT6 fusion that can be reliably detected with a STAT6 antibody. While solitary fibrous tumors are most often benign, they can be malignant in 10-20% of the cases. Unfortunately, histological parameters are not always predictive of benign vs malignant solitary fibrous tumors. As solitary fibrous tumors are generally regarded as relatively chemoresistant tumors; treatment is often limited to localized treatment modalities. The optimal treatment of solitary fibrous tumors appears to be complete surgical resection for both primary and local recurrent disease. However, in cases of suboptimal resection, large disease burden, or advanced recurrence, a multidisciplinary approach may be preferable. Specifically, radiotherapy for inoperable local disease can provide palliation/shrinkage. Given their sometimes -unpredictable and often- protracted clinical course, long-term follow-up post-resection is recommended.
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Affiliation(s)
- Mert Saynak
- Department of Radiation Oncology, Trakya University School of Medicine, Edirne, Turkey
| | | | - Jessica L Hubbs
- Department of Obstetrics and Gynecology, University of North Carolina, North Carolina, USA
| | - Dilruba Okumuş
- Department of Radiation Oncology, Trakya University School of Medicine, Edirne, Turkey
| | - Lawrence B Marks
- Department of Radiation Oncology, University of North Carolina, North Carolina, USA
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McGuire A, Villeneuve PJ, Sekhon H, Gilbert S, Sundaresan S, Maziak DE, Seely AEJ, Shamji FM. Predictors of Malignant Pathology and the Role of Trans-Thoracic Needle Biopsy in Management of Solitary Fibrous Tumors of the Pleura: A 30-Year Review of a Tertiary Care Center Patient Cohort. ACTA ACUST UNITED AC 2016. [DOI: 10.4236/ojts.2016.64008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Mesenchymal tumours of the mediastinum--part I. Virchows Arch 2015; 467:487-500. [PMID: 26358059 PMCID: PMC4656709 DOI: 10.1007/s00428-015-1830-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 08/06/2015] [Accepted: 08/11/2015] [Indexed: 12/11/2022]
Abstract
The mediastinum is an anatomically defined space in which organs and major blood vessels reside with surrounding soft tissue elements. The thymus is an important organ in the mediastinum, and many of the masses encountered in the mediastinum are related to this organ. Most neoplasms diagnosed in the mediastinum are epithelial tumours (thymomas and thymic carcinomas), lymphomas or germ cell tumours. In contrast, soft tissue tumours of the mediastinum are rare. In 1963, Pachter and Lattes systematically reviewed soft tissue pathology of the mediastinum, covering the hitherto described [2, 226, 227] In this review, based on the 2013 WHO classification of soft tissue tumours and the 2015 WHO classification of tumours of the lung, pleura, thymus and heart, we provide an updated overview of mesenchymal tumours that may be encountered in the mediastinum.
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