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Adhya A, Mishra P, Biswas D, Pattnaik S, Patra S, Muduly D, Balasubiramaniyan V. Malignant gastrointestinal neuroectodermal tumor: A case-based review of literature. J Cancer Res Ther 2022; 18:885-897. [DOI: 10.4103/jcrt.jcrt_829_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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2
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Flucke U, van Noesel MM, Siozopoulou V, Creytens D, Tops BBJ, van Gorp JM, Hiemcke-Jiwa LS. EWSR1-The Most Common Rearranged Gene in Soft Tissue Lesions, Which Also Occurs in Different Bone Lesions: An Updated Review. Diagnostics (Basel) 2021; 11:diagnostics11061093. [PMID: 34203801 PMCID: PMC8232650 DOI: 10.3390/diagnostics11061093] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 06/07/2021] [Accepted: 06/10/2021] [Indexed: 01/09/2023] Open
Abstract
EWSR1 belongs to the FET family of RNA-binding proteins including also Fused in Sarcoma (FUS), and TATA-box binding protein Associated Factor 15 (TAF15). As consequence of the multifunctional role of EWSR1 leading to a high frequency of transcription of the chromosomal region where the gene is located, EWSR1 is exposed to aberrations such as rearrangements. Consecutive binding to other genes leads to chimeric proteins inducing oncogenesis. The other TET family members are homologous. With the advent of widely used modern molecular techniques during the last decades, it has become obvious that EWSR1 is involved in the development of diverse benign and malignant tumors with mesenchymal, neuroectodermal, and epithelial/myoepithelial features. As oncogenic transformation mediated by EWSR1-fusion proteins leads to such diverse tumor types, there must be a selection on the multipotent stem cell level. In this review, we will focus on the wide variety of soft tissue and bone entities, including benign and malignant lesions, harboring EWSR1 rearrangement. Fusion gene analysis is the diagnostic gold standard in most of these tumors. We present clinicopathologic, immunohistochemical, and molecular features and discuss differential diagnoses.
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Affiliation(s)
- Uta Flucke
- Department of Pathology, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (M.M.v.N.); (B.B.J.T.); (L.S.H.-J.)
- Correspondence: ; Tel.: +31-24-36-14387; Fax: +31-24-36-68750
| | - Max M. van Noesel
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (M.M.v.N.); (B.B.J.T.); (L.S.H.-J.)
- Division Cancer & Imaging, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | | | - David Creytens
- Department of Pathology, Ghent University Hospital, Ghent University, 9000 Ghent, Belgium;
| | - Bastiaan B. J. Tops
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (M.M.v.N.); (B.B.J.T.); (L.S.H.-J.)
| | - Joost M. van Gorp
- Department of Pathology, St Antonius Hospital, 3435 CM Nieuwegein, The Netherlands;
| | - Laura S. Hiemcke-Jiwa
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (M.M.v.N.); (B.B.J.T.); (L.S.H.-J.)
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Malignant Gastrointestinal Neuroectodermal Tumour-Case Report with Review of Literature. J Gastrointest Cancer 2021; 52:1125-1130. [PMID: 33523361 DOI: 10.1007/s12029-020-00575-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/17/2020] [Indexed: 12/22/2022]
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4
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Zhu P, Zhang T, Bi K, Wu Y, Chen X, Zhang H, Huang D, Zhang L, Zeng Y, Yi X. Primary Clear Cell Sarcoma of the Ileum: A Case Report With Next-Generation Sequencing Analysis. Int J Surg Pathol 2021; 29:677-684. [PMID: 33412984 DOI: 10.1177/1066896920985311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
As the concept of clear cell sarcoma-like tumor or malignant gastrointestinal neuroectodermal tumor (CCS-LT/MGNET) has been widely accepted, primary CCS of the gastrointestinal tract (CCS-GI) is becoming a rare entity. In this article, we describe a case of primary CCS-GI that occurred in the ileum of a 65-year-old male to further illustrate its rare occurrence. Similar to CCS of soft tissue (CCS-ST), the tumor was composed of spindled to epithelioid cells displaying fascicular, nested, or pseudopapillary arrangement. The tumor cells had large round to ovoid nuclei with vesicular chromatin and prominent nucleoli, containing eosinophilic to pale cytoplasm. In contrast to CCS-LT/MGNET, immunohistochemical study also showed variable positivity of HMB45, melan A, and MiTF besides the strong and diffuse staining of S100 protein and SOX10. Fluorescence in situ hybridization (FISH) using fusion probes identified EWSR1 and ATF1 genes rearrangement. Next-generation sequencing (NGS) analysis further revealed EWSR1 exons9/8-ATF1 exon4 and ATF1 exon3- EWSR1 exon11 fusion genes. CCS-GI and CCS-LT/MGNET possibly represent 2 related entities of the same spectrum, which differentiate along 2 different pathways.
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Affiliation(s)
- Peipei Zhu
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Tingting Zhang
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ke Bi
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yunjin Wu
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xue Chen
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Haoyang Zhang
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Dandan Huang
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Long Zhang
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yu Zeng
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xianghua Yi
- Department of Pathology, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
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Sonai MK, Rastogi S, Madhusudhan KS, Gupta SD, Das P. Clear cell sarcoma like tumor of gastrointestinal tract: Experience of three cases and review of literature. INDIAN J PATHOL MICR 2020; 63:90-95. [PMID: 32031130 DOI: 10.4103/ijpm.ijpm_195_19] [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] [Indexed: 11/04/2022] Open
Abstract
Clear cell sarcoma-like tumor of the gastrointestinal tract (CCSGT) is a rare, aggressive tumor with many histological mimickers. Herein, we have documented our experience of three cases of CCSGT and reviewed the literature. The index cases were identified in male patients in their twenties, one in jejunum and two in the distal colon. Histomorphological examination revealed the characteristic heterogeneous histomorphology with patchy immunohistochemical positivity with S100 protein and negative melanocytic markers. The fluorescence in-situ hybridization test showed translocation of the EWSR1 (22q12) gene in >80% tumor cells. While one of our patients died after 2 years with lung metastasis, the other two patients are still alive on 1.5 years and 3 months follow up, respectively. CCSGT is a rare malignant tumor of the gastrointestinal tract. Although characteristic morphology, use of a judicial panel of immunohistochemical stains, and translocation study for EWSR1 gene can establish the diagnosis, experience in adjuvant therapy is still limited.
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Affiliation(s)
- Mukin Kumar Sonai
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Sameer Rastogi
- Medical Oncology, All India Institute of Medical Sciences, New Delhi, India
| | - K S Madhusudhan
- Radiology, All India Institute of Medical Sciences, New Delhi, India
| | - Siddhartha D Gupta
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Prasenjit Das
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
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Systemic treatment of malignant gastrointestinal neuroectodermal tumour after childhood neuroblastoma: chemotherapy in malignant gastrointestinal neuroectodermal tumour. Anticancer Drugs 2020; 30:959-963. [PMID: 31517734 DOI: 10.1097/cad.0000000000000806] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Malignant gastrointestinal neuroectodermal tumour is an extremely rare neoplasm that arises in the wall of the small bowel, stomach or large bowel in young-aged and middle-aged adults. Histologically, it is generally characterized by monomorphic cells with clear cytoplasma, S-100 protein expression, and EWSR1 gene translocation. To the best of our knowledge, we describe for the first time, the case of a young woman with a diagnosis of metastatic gastrointestinal neuroectodermal tumour arising from ileum, who had a childhood adrenal neuroblastoma with liver, bone and lymph nodes metastasis, treated with four cycles of chemotherapy with the schedule CADO-CVP (CADO: cyclophosphamide 300 mg/m/day on days 1-5, vincristine 1,5 mg/m/day on days 1 and 5, and doxorubicin 60 mg/m/day on day 5; CVP: cisplatin 40 mg/m/day on days 1-5 and etoposide 100 mg/m/day on days 1-5) followed by right adrenal, kidney, lymph nodes and liver lesion resection, conditioning chemotherapy (melphalan-carmustine-teniposide), stem cells autologous transplantation and consecutively radiotherapy on the spine (T9 to L3) for a total of 30 Gy. For the second diagnosis of gastrointestinal neuroectodermal tumour with liver metastasis, she underwent ileal tumour resection and platinum-anthracycline based chemotherapy with initial shrinkage of liver metastasis. Unfortunately, despite the initial response and the following delivered therapies, she died for rapid progressive disease. Taking into account the late effects of past therapeutic modalities, a long-term surveillance of young child treated for neuroblastoma, is required to appreciate their overall risks of second malignancies.
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Malignant Gastrointestinal Neuroectodermal Tumor: Clinicopathologic, Immunohistochemical, and Molecular Analysis of 19 Cases. Am J Surg Pathol 2020; 44:456-466. [PMID: 31651526 DOI: 10.1097/pas.0000000000001396] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A malignant gastrointestinal neuroectodermal tumor (GNET) is rare, and it is therefore yet to be completely understood. This study aimed to present the clinicopathologic features of GNET, including treatment information. We included 19 patients with GNET with a mean tumor size of 4.2 cm. The most common site of tumor origin was the small intestine (57.9%), followed by the stomach (15.8%), colon (10.5%), ileocecal junction (5.3%), lower esophagus (5.3%), and anal canal (5.3%). Microscopically, the tumors were composed of epithelioid cells with eosinophilic or clear cytoplasm arranged in nest, sheet-like, papillary, or pseudoalveolar patterns and/or spindle tumor cells with eosinophilic cytoplasm arranged in a fascicular pattern. Immunohistochemically, the tumor cells stained positively for S100 (19/19,100%), SOX10 (14/15, 93.3%), vimentin (17/17, 100%), synaptophysin (Syn) (7/17, 41.2%), CD56 (4/13, 30.8%), CD99 (1/5, 20%), and CD117 (1/15, 6.7%), and negatively for HMB45, Melan A, DOG1, CD34, AE1/AE3, CAM5.2, chromogranin A, smooth muscle actin, and desmin. In total, 14/15 (93.3%) cases showed split Ewing sarcoma breakpoint region 1 gene (EWSR1) signals consistent with a chromosomal translocation involving EWSR1. Within a mean follow-up of 29.7 months (range: 3 to 63 mo), 2/15 (13.3%) patients died of disease, 5 (33.3%) were alive with disease, and 8 (53.3%) had no evidence of disease. Two and 1 patients showed partial response to apatinib and anlotinib, respectively. In conclusion, GNET has distinctive morphologic, immunohistochemical, and molecular genetic features and should be distinguished from other gastrointestinal tract malignancies. Apatinib and anlotinib might be effective for the treatment of advanced GNET and could prolong patient survival.
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Askan G, Kombak FE, Seven IE, Basturk O. Clear Cell Sarcoma-Like Tumor of the Gastrointestinal Tract. J Gastrointest Cancer 2020; 50:651-656. [PMID: 29623567 DOI: 10.1007/s12029-018-0069-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Gokce Askan
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10021, USA
| | - Faruk Erdem Kombak
- Department of Pathology, Marmara University School of Medicine, Istanbul, Turkey
| | - Ipek Erbarut Seven
- Department of Pathology, Marmara University School of Medicine, Istanbul, Turkey
| | - Olca Basturk
- Department of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY, 10021, USA.
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Sharma K, Yadav SK, Valluru B, Liu L. Significance of MRI in the diagnosis and differentiation of clear cell sarcoma of tendon and aponeurosis (CCSTA): A case report. Medicine (Baltimore) 2018; 97:e11012. [PMID: 30075493 PMCID: PMC6081126 DOI: 10.1097/md.0000000000011012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
RATIONALE Clear cell sarcoma of tendon and aponeurosis (CCSTA) or soft parts is a rare malignant melanin producing tumor entity that is derived from the neural crest cells originating from soft tissues displaying melanocytic differentiation. Diagnosis of CCSTA is difficult as it is dependent on age, size, location, necrosis, calcifications, cystic degeneration, and local to distant metastatic deposits. These tumors have very poor prognosis with a survival rate of 5-10 years because of local recurrence, early to late metastasis to lymph nodes, lungs, bones, and liver. PATIENT CONCERNS A 30-year-old Asian male has presented with a painful mass in the posterior aspect of the right ankle. He recalled of noticing an increase in the size of the lump after a traumatic insult 3 months ago. Physical examination revealed a mass of size 9x4 cm in the posterior ankle with no cutaneous ulcerative lesions. There is no history of any longstanding illness or malignancy. DIAGNOSES Clear cell Sarcoma of Tendon and Aponeurosis (CCSTA) or CCS of Soft parts. INTERVENTIONS Conventional radiography demonstrated merely a soft tissue mass in the posterior compartment of the right ankle and significant calcaneal bone erosion with the sparse trabecular pattern. Plain conventional tomography showed a well-defined soft tissue heterogeneous mass with a hypoattenuating osteo-destructive focal lesion in the calcaneus. Magnetic resonance imaging (MRI) - T1 weighted imaging (T1WI) revealed an iso-intense signal relative to adjacent muscle; heterogeneous high-signal intensity on fat saturated T2 weighted imaging (T2WI). On contrast examination, lesion on T1WI, showed a heterogeneous high signal intensity, central low signal intensity with peripheral and septal enhancement. The immune-histochemistry analysis was positive for HMB-45, S-100, myoD1 and Ki67 (30%). Correlating with imaging and immune-histochemistry, a confirmatory diagnosis of CCSTA was made. OUTCOMES CCSTA is typically a slowly growing painless mass in the deep soft tissues of ear, pancreas, kidney, penis, abdomen, especially in the lower extremities- Achilles tendon and aponeurosis of the ankle or in foot of young adults. As, these tumors are highly malignant, difficult to diagnose, early recognition by imaging and surgical excision are the mainstay of management. LESSONS Our case emphasizes the importance of recognizing radiological characteristics of CCSTA, and its differentiation from other soft tissue tumors, when presenting atypically. MRI plays a significant role in the diagnosis supported by histopathology and immune-histochemistry. So, radiologists should be familiar about this presentation that could guide other personnel for early detection of soft tissue tumors while including CCSTA into differential diagnosis for evaluation.
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Green C, Spagnolo DV, Robbins PD, Fermoyle S, Wong DD. Clear cell sarcoma of the gastrointestinal tract and malignant gastrointestinal neuroectodermal tumour: distinct or related entities? A review. Pathology 2018; 50:490-498. [PMID: 29970252 DOI: 10.1016/j.pathol.2018.05.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 05/02/2018] [Accepted: 05/08/2018] [Indexed: 12/18/2022]
Abstract
Clear cell sarcoma is an uncommon sarcoma which rarely occurs as a primary tumour in the gastrointestinal tract (CCS-GIT). It shares common molecular genetic abnormalities with the more recently described entity, malignant gastrointestinal neuroectodermal tumour (GNET) but is distinguished by its morphological and immunohistochemical findings. The exact nosological relationship between these tumours continues to be debated. In this review, we present two cases of these rare neoplasms from our files and perform a statistical comparison of all published cases to determine if significant differences exist in their clinicopathological features and biological behaviour. Thirteen cases of CCS-GIT and 58 of GNET were included. CCS-GIT occurred more commonly in males (84.6% vs 46.6%, p = 0.01) and in an older age group (median 57 vs 33 years, p < 0.01). There was no significant difference in their location in the gastrointestinal tract, median tumour size and proportion of cases with an EWSR1-ATF1 vs EWSR1-CREB1 fusion. Median survival for CCS-GIT was 13.5 months and for GNET, 9.5 months (p = 0.78). There was no significant difference in the Kaplan-Meier survival curves for either time to first metastasis (p = 0.88) or overall survival (p = 0.18), including after controlling for tumour size using regression models. Our analysis confirms that aside from morphological variations between these tumours, they also exhibit epidemiological and clinical differences. Despite the prevalent perception that GNET is associated with a more aggressive clinical course, our findings indicate that there is no significant difference in their biological behaviour, although both clearly share a bleak prognosis. Further experience is awaited to determine optimal treatment strategies and whether CCS-GIT and GNET would differ in their response to various therapies.
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Affiliation(s)
- Celia Green
- Anatomical Pathology, PathWest Laboratory Medicine, QEII Medical Centre, Nedlands, WA, Australia
| | - Dominic V Spagnolo
- Anatomical Pathology, PathWest Laboratory Medicine, QEII Medical Centre, Nedlands, WA, Australia
| | - Peter D Robbins
- Anatomical Pathology, PathWest Laboratory Medicine, QEII Medical Centre, Nedlands, WA, Australia
| | - Soraya Fermoyle
- Anatomical Pathology, PathWest Laboratory Medicine, Fiona Stanley Hospital, Murdoch, WA, Australia
| | - Daniel D Wong
- Anatomical Pathology, PathWest Laboratory Medicine, QEII Medical Centre, Nedlands, WA, Australia; School of Pathology and Laboratory Medicine, University of Western Australia, Crawley, WA, Australia.
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Lauro S, Bordin F, Trasatti L, Lanzetta G, Della Rocca C, Frati L. Concurrent Chemoimmunotherapy in Metastatic Clear Cell Sarcoma: A Case Report. TUMORI JOURNAL 2018; 85:512-4. [PMID: 10774576 DOI: 10.1177/030089169908500617] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Clear cell sarcoma is a rare tumor with a poor prognosis. The therapeutic approach in the metastatic disease stage is controversial: to the authors’ knowledge the use of concurrent chemoimmunotherapy has not been previously reported. We present a case of a 57-year-old male with metastatic clear cell sarcoma treated simultaneously with subcutaneous interferon-a 2b and six courses of chemotherapy according to the CyVEDIC regimen. Disease stabilization lasting 17 months was achieved.
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Affiliation(s)
- S Lauro
- Division of Oncology, La Sapienza University, Rome, Italy
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Washimi K, Takagi M, Hisaoka M, Kawachi K, Takeyama M, Hiruma T, Narimatsu H, Yokose T. Clear cell sarcoma-like tumor of the gastrointestinal tract: A clinicopathological review. Pathol Int 2017; 67:534-536. [PMID: 28887884 DOI: 10.1111/pin.12573] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 07/28/2017] [Indexed: 11/30/2022]
Affiliation(s)
- Kota Washimi
- Department of Pathology, Kanagawa Cancer Center, 2-3-2 Nakao, Asahi-ku, Yokohama-shi, Kanagawa, 241-0815, Japan
| | - Masayuki Takagi
- Department of Pathology, St. Marianna University School of Medicine, Kawasaki, Japan
| | - Masanori Hisaoka
- Department of Pathology and Oncology, School of Medicine, University of Occupational and Environmental Health Kitakyusyu, Japan
| | - Kae Kawachi
- Department of Pathology, Kanagawa Cancer Center, 2-3-2 Nakao, Asahi-ku, Yokohama-shi, Kanagawa, 241-0815, Japan
| | - Masanobu Takeyama
- Department of Musculoskeletal Tumor Surgery, Kanagawa Cancer Center, Kanagawa, Japan
| | - Toru Hiruma
- Department of Musculoskeletal Tumor Surgery, Kanagawa Cancer Center, Kanagawa, Japan
| | - Hiroto Narimatsu
- Cancer Prevention and Control Division, Kanagawa Cancer Center Research Institute, Kanagawa, Japan
| | - Tomoyuki Yokose
- Department of Pathology, Kanagawa Cancer Center, 2-3-2 Nakao, Asahi-ku, Yokohama-shi, Kanagawa, 241-0815, Japan
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Kato T, Ichihara S, Gotoda H, Muraoka S, Kubo T, Sugita S, Hasegawa T. Imprint cytology of clear cell sarcoma-like tumor of the gastrointestinal tract in the small intestine: A case report. Diagn Cytopathol 2017; 45:1137-1141. [PMID: 28695686 DOI: 10.1002/dc.23786] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 06/26/2017] [Accepted: 06/29/2017] [Indexed: 11/08/2022]
Abstract
Clear cell sarcoma-like tumor of the gastrointestinal tract (CCSLGT) is an extremely rare malignant neoplasm in the digestive tract. Its cytomorphologic features have never previously been reported. Here, we describe a case of CCSLGT, including its cytologic examination findings. A 47-year-old woman presented with a mass in the small intestine, which was resected and sent for imprint cytology. Imprint smears revealed tumor cells with light eosinophilic or clear cytoplasm in a necrotic background. Many of the tumor cells were arranged in a perivascular growth with a pseudopapillary formation, and there were some non-neoplastic osteoclast-like giant cells. Histological examination revealed solid nests and a pseudopapillary pattern of the tumor cells with clear or pale eosinophilic cytoplasm and large nuclei with small nucleoli. Immunohistochemistry showed positive for vimentin, S-100, and SOX-10, and negative for SMA, c-KIT, cytokeratin, HMB-45, and MelanA. The EWSR1 gene split signal was detected by reverse transcriptase fluorescence in situ hybridization, and EWSR1-CREB1 gene fusion was indicated by reverse transcriptase polymerase chain reaction analysis. From these findings, we diagnosed the tumor as CCSLGT. To best of our knowledge, this is the first description of the imprint cytology features of CCSLGT.
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Affiliation(s)
- Takashi Kato
- Division of Clinical Laboratory, Sapporo Kosei General Hospital, Sapporo, Japan
| | - Shin Ichihara
- Department of Surgical Pathology, Sapporo Kosei General Hospital, Sapporo, Japan
| | - Hiroko Gotoda
- Department of Surgical Pathology, Sapporo Kosei General Hospital, Sapporo, Japan
| | - Shunji Muraoka
- Department of Surgical Pathology, Sapporo Kosei General Hospital, Sapporo, Japan
| | - Terufumi Kubo
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Shintaro Sugita
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tadashi Hasegawa
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
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14
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Rosai J. Clear Cell Sarcoma and Osteoclast-Rich Clear Cell Sarcoma-Like Tumor of the Gastrointestinal Tract: One Tumor Type or Two? Melanoma or Sarcoma? Int J Surg Pathol 2016; 13:309-11. [PMID: 16273185 DOI: 10.1177/106689690501300401] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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15
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Simultaneous Clear Cell Sarcomas of the Duodenum and Jejunum. Case Rep Med 2016; 2016:1534029. [PMID: 27375743 PMCID: PMC4914738 DOI: 10.1155/2016/1534029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 05/18/2016] [Indexed: 02/08/2023] Open
Abstract
Clear cell sarcoma (CCS) is an uncommon tumor that usually presents as an extremity mass but can rarely manifest as a gastrointestinal tumor with a diverse spectrum of symptoms, most commonly related to a mass effect or ulceration. Herein we report a case in which two separate tumors, one in the duodenum and the other in the jejunum, present concurrently. The subject presented with symptomatic anemia and underwent imaging and endoscopic studies that culminated in the discovery of the two lesions. He subsequently underwent operative treatment with resection of both tumors and made an unremarkable recovery. The resection specimen consisted of two separate clear cell sarcomas with negative margins. Under microscopic evaluation, they demonstrated nested growths of epithelioid cells with scattered spindled cells infiltrating the enteric wall. The neoplastic cells were positive for S100 with scattered expression of Melan A. Florescence in situ hybridization revealed a translocation at the EWRS1 locus. He was disease-free for 30 months following the procedure; then he developed a rapidly progressing metastatic disease with subsequent death 4 months later.
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Insabato L, Guadagno E, Natella V, Somma A, Bihl M, Pizzolorusso A, Mainenti PP, Apice G, Tornillo L. An unusual association of malignant gastrointestinal neuroectodermal tumor (clear cell sarcoma-like) and Ewing sarcoma. Pathol Res Pract 2015; 211:688-92. [PMID: 26163185 DOI: 10.1016/j.prp.2015.06.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 06/04/2015] [Accepted: 06/05/2015] [Indexed: 12/27/2022]
Abstract
Very recently a new designation of "Malignant Neuroectodermal Gastrointestinal Tumor" has been proposed for an aggressive form of neuroectodermal tumor with features similar to that of Clear Cell Sarcoma of Soft Tissue, however without a melanocytic differentiation. Also known as "clear cell sarcoma-like tumors of the gastrointestinal tract", these tumors show some features strongly suggesting an origin from a gastrointestinal neuroectodermal precursor cell unable to differentiate along the melanocytic lineage. They occur mainly in young and middle-aged adults, and have a poor prognosis with a high rate of liver and lymphnode metastases. Histologically they are composed of epithelioid or oval-to spindle cells with a sheet-like or nested pattern of growth, strongly positive for neural markers (S-100, SOX10, and vimentin) and negative for the melanocytic ones. EWSR1 gene rearrangements including EWSR1-ATF1 or EWSR1-CREB1 GENE fusions are typically assessed in these tumors. Here we report a case of malignant neuroectodermal gastrointestinal tumor which immunophenotypically unusually expressed FLI-1, occurring in a 29-year-old man with a previous medical history of Ewing sarcoma. We finally suggest that this case might be a further evidence of a link between these two entities.
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Affiliation(s)
- Luigi Insabato
- Dip. Scienze Biomorfologiche e Chirurgiche, Università Federico II Napoli, Italy.
| | - Elia Guadagno
- Dip. Scienze Biomorfologiche e Chirurgiche, Università Federico II Napoli, Italy
| | - Valentina Natella
- Dip. Scienze Biomorfologiche e Chirurgiche, Università Federico II Napoli, Italy
| | - Anna Somma
- Dip. Scienze Biomorfologiche e Chirurgiche, Università Federico II Napoli, Italy
| | - Michel Bihl
- Department of Pathology, University Hospital of Basel, Switzerland
| | - Antonio Pizzolorusso
- SSD Oncologia medica Sarcomi dei Tessuti molli e delle Ossa, Istituto Tumori, Fondazione G. Pascale, Naples, Italy
| | - Pier Paolo Mainenti
- Dip. Scienze Biomorfologiche e Chirurgiche, Università Federico II Napoli, Italy
| | - Gaetano Apice
- SSD Oncologia medica Sarcomi dei Tessuti molli e delle Ossa, Istituto Tumori, Fondazione G. Pascale, Naples, Italy
| | - Luigi Tornillo
- Department of Pathology, University Hospital of Basel, Switzerland
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17
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Wang J, Thway K. Clear Cell Sarcoma–like Tumor of the Gastrointestinal Tract: An Evolving Entity. Arch Pathol Lab Med 2015; 139:407-412. [DOI: 10.5858/arpa.2013-0547-rs] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
Abstract
Clear cell sarcoma–like tumor of the gastrointestinal tract (CCSLGT) is a rare malignant neoplasm that occurs in the wall of the small bowel, stomach, or large bowel, predominantly in young adults. It is an aggressive neoplasm that frequently presents with metastatic disease and has a high mortality rate. Histologically, it is usually composed of medium-sized primitive ovoid or epithelioid cells with pale or clear cytoplasm that are arranged in sheets or in papillary or alveolar architectures. Clear cell sarcoma–like tumor of the gastrointestinal tract is positive for S100 protein, invariably negative for melanocyte-specific markers and is often also positive for neuroendocrine markers. The etiology of CCSLGT is unknown, but many studies have shown associations with EWSR1-CREB1 gene fusions and, less frequently, with EWSR1-ATF1 fusions. Here, we discuss the current status of CCSLGT, including histologic, immunophenotypic, and molecular findings.
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Affiliation(s)
- Jayson Wang
- From the Department of Histopathology, The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Khin Thway
- From the Department of Histopathology, The Royal Marsden NHS Foundation Trust, London, United Kingdom
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18
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Kong J, Li N, Wu S, Guo X, Gu C, Feng Z. Malignant gastrointestinal neuroectodermal tumor: A case report and review of the literature. Oncol Lett 2014; 8:2687-2690. [PMID: 25364450 PMCID: PMC4214465 DOI: 10.3892/ol.2014.2524] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2014] [Accepted: 08/01/2014] [Indexed: 02/06/2023] Open
Abstract
Malignant gastrointestinal neuroectodermal tumor (GNET) is a rare soft tissue sarcoma, previously referred to as clear cell sarcoma-like gastrointestinal tumor (CCSLGT) and also commonly reported in the literature as clear cell sarcoma of the gastrointestinal tract (CCS-GI). The current study reports a case of GNET arising in the stomach of a 17-year-old male, who presented with symptoms of fatigue, anemia and low temperature. Examination with positron emission tomography-computed tomography revealed a soft tissue mass in the gastric antrum. Subsequently, radical distal gastric resection was performed, and the mass measured 6.0×4.0×3.5 cm3. Histopathological analysis revealed that the tumor cells were arranged in nests and focally formed fascicular, pseudopapillary, pseudoalveolar and rosette-like growth patterns. Osteoclast-like giant cells were also observed. Immunohistochemically, the tumor cells were positive for S-100 protein, vimentin and BCL-2, and negative for HMB45, Melan-A, CD117, CD34 and CD99. Additionally, the osteoclast-like giant cells were positive for CD68. Fluorescence in situ hybridization demonstrated EWSR1 gene rearrangement. After 10 months of follow-up, no evidence of recurrence or metastasis was observed. As GNET is currently classified differently and under various names in the literature, the information provided by this case study and review is predicted to be useful towards the accurate diagnosis, treatment and prognosis of this rare tumor type.
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Affiliation(s)
- Jie Kong
- Department of Pathology, The First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
| | - Nan Li
- Department of Pathology, The First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
| | - Shiwu Wu
- Department of Pathology, The First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
| | - Xingmei Guo
- Department of Pathology, The First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
| | - Congyou Gu
- Department of Pathology, The First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
| | - Zhenzhong Feng
- Department of Pathology, The First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu, Anhui 233000, P.R. China
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19
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Yegen G, Güllüoğlu M, Mete Ö, Önder S, Kapran Y. Clear Cell Sarcoma–Like Tumor of the Gastrointestinal Tract. Int J Surg Pathol 2014; 23:61-7. [DOI: 10.1177/1066896914547046] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Clear cell sarcoma is a rare tumor classically associated with tendons and aponeuroses of lower extremities of young adults and has a distinctive histopathologic and molecular profile. It has been rarely described in other locations other than soft tissues, including the gastrointestinal tract. Herein we report a case of clear cell sarcoma of gastrointestinal tract arising in the ileum, which is rich in osteoclast-like giant cells with a review of the literature.
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Affiliation(s)
| | | | - Özgür Mete
- University of Toronto, Toronto, Ontario, Canada
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20
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Mallick S, Singh L, Rajan K, Sharma MC, Bansl V, Dinda AK. Malignant melanoma of soft parts with osteoclast-rich giant cells: A rare tumour of the jejunum. Australas Med J 2014; 7:181-4. [PMID: 24817912 DOI: 10.4066/amj.2014.1970] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Malignant melanoma of soft parts (MMSP), first described by Franz M. Enzinger, is a rare tumour of unknown cell origin. We describe a case of a 45-year-old male who presented with a one-year history of abdominal pain, weakness, and anaemia. Computerised tomography enteroclysis showed a mass in the jejunum that was suggestive of a gastrointestinal stromal tumour. An ulceroinfiltrative lesion measuring 6.5 x 4 x 2cm was identified. Microscopy revealed typical features of MMSP with numerous osteoclasts-like giant cells. The diverse histomorphology and immunohistochemical characteristics of this case involving a rare tumour at a rare site is presented.
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Affiliation(s)
- Saumyaranjan Mallick
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Lavleen Singh
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Kartik Rajan
- Department of Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Meher Chand Sharma
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Vk Bansl
- Department of Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Amit K Dinda
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
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21
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Ishii D, Inagaki M, Shonaka T, Akabane H, Yanagida N, Shomura H, Orimo T, Aiyama T, Sato K, Nakano S. Clear cell sarcoma of the esophagus: report of a case. Clin J Gastroenterol 2014; 7:228-32. [PMID: 26183741 DOI: 10.1007/s12328-014-0479-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Accepted: 03/12/2014] [Indexed: 01/19/2023]
Abstract
We report a rare case of clear cell sarcoma of the esophagus and review the literature regarding clear cell sarcomas of the gastrointestinal tract. A 57-year-old male was admitted with dysphagia during swallowing. Preoperative imaging studies, including upper gastrointestinal endoscopy and endoscopic ultrasonography, showed that the tumor was located between the mucosa and the muscularis propria of the lower esophagus. We performed subtotal esophagectomy with gastric tube reconstruction. Pathological findings of the tumor showed mixed spindle cells and oval cells. Immunohistochemical staining showed that the tumor cells were positive for S-100, vimentin and neuron-specific enolase and negative for α-smooth muscle actin, myoglobin and c-kit. Fluorescence in situ hybridization using a Ewing sarcoma breakpoint region 1 probe showed split signals in a small percentage of cells. We finally diagnosed the patient with clear cell sarcoma of the esophagus.
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Affiliation(s)
- Daisuke Ishii
- Division of Surgery, Hokkaido P.W.F.A.C Asahikawa-Kosei General Hospital, 1 Jo 24 Chome 111, 1 Jodori, Asahikawa, 078-8211, Japan,
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22
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Clear cell sarcoma-like tumor of the gastrointestinal tract, presenting as a second malignancy after childhood hepatoblastoma. Case Rep Med 2014; 2014:984369. [PMID: 24715928 PMCID: PMC3970439 DOI: 10.1155/2014/984369] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Accepted: 12/29/2013] [Indexed: 12/13/2022] Open
Abstract
Clear cell sarcoma-like tumor of the gastrointestinal tract (CCSLGT) is a rare malignant neoplasm arising within the wall of the small bowel, stomach, or large bowel, predominantly in children and young adults. It is an aggressive tumor with a high rate of local recurrence, metastases, and early death from disease. Histologically, it is composed of relatively monomorphic ovoid or round cells with clear to eosinophilic cytoplasm, arranged in sheets and sometimes papillary or alveolar architectures, often with CD68-positive osteoclast-like giant cells in variable numbers, and is associated with EWSR1-CREB1 gene fusions. Its pathogenesis is unknown, and histologically it can be easily confused with a variety of intra-abdominal neoplasms. We describe a case of CCSLGT with molecular characterization, presenting as an acutely obstructing small bowel mass in a 33-year-old male, which occurred as a second malignant neoplasm 20 years after treatment with surgery, radiotherapy, and cisplatin and doxorubicin chemotherapy for childhood hepatoblastoma. This gives further insight into the clinical setting of this highly aggressive neoplasm and highlights the use of radiation therapy as a possible etiologic factor.
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23
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Fisher C. The diversity of soft tissue tumours withEWSR1gene rearrangements: a review. Histopathology 2013; 64:134-50. [DOI: 10.1111/his.12269] [Citation(s) in RCA: 129] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2013] [Accepted: 08/27/2013] [Indexed: 12/14/2022]
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24
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Lasithiotakis K, Protonotarios A, Lazarou V, Tzardi M, Chalkiadakis G. Clear cell sarcoma of the jejunum: a case report. World J Surg Oncol 2013; 11:17. [PMID: 23351137 PMCID: PMC3598680 DOI: 10.1186/1477-7819-11-17] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Accepted: 01/14/2013] [Indexed: 12/17/2022] Open
Abstract
Background Clear cell sarcoma (CCS), also known as malignant melanoma of soft parts, is a rare type of soft tissue sarcoma which exhibits morphological, immunohistochemical and ultrastructural similarity with malignant melanoma. It is rarely localized in the intestine and the natural history of this tumor is not yet clear. Case report A 49-year-old woman presented with diffuse abdominal colicky pain and vomitus over the previous seven days. An X-ray of the abdomen revealed obstruction of the small intestine. The patient underwent contrast enhanced abdominal computerized tomography (CT), which confirmed the obstruction at the jejunum and an associated circumferential wall thickening extending about 3 cm in length, causing concentric narrowing of the lumen. At laparotomy, a mass was recognized at the level of the jejunum in the small intestine, which caused almost complete obstruction of the lumen. At the point of obstruction, adhered loops of small intestine were found. A segmental small bowel resection was performed with 5 cm clear margins and its respective mesenteric lymph nodes. Results Histological examination of the specimen revealed a tumor (3×3×2cm) with epithelioid cell characteristics and eosinophilic or clear cytoplasm and focal translucent nuclei. Immunohistochemistry was positive for S100, epithelial membrane antigen (EMA) and synaptophysin. The tumor was pankeratin AE1/AE2, GFAP, HMB45 and MART-1/Melan-A negative. Twelve lymph nodes were retrieved and were free of neoplastic infiltration. Cytogenetic examination revealed translocation of the EWSR1 gene. The patient had an uncomplicated postoperative course and left the hospital seven days after her admission in good general condition. After 20 months of follow-up the patient remains asymptomatic without any clinical or radiological evidence of recurrence. Conclusion CCS sarcoma can be rarely localized in the jejunum. Due to its morphological similarity to malignant melanoma, cytogenetic examination is necessary for its diagnosis. Wide resection of the tumor and its respective lymph nodes was associated with a 20-month disease free survival in this patient.
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Affiliation(s)
- Konstantinos Lasithiotakis
- Department of General Surgery, University Hospital of Heraklion, Medical School of Heraklion, University of Crete, Heraklion, Greece.
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25
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Abstract
EWSR1-CREB1 and EWSR1-ATF1 are gene fusions of which one or both have now been consistently described in 5 histopathologically and behaviorally diverse neoplasms: angiomatoid fibrous histiocytoma, conventional clear cell sarcoma (of tendons and aponeuroses), clear cell sarcoma-like tumor of the gastrointestinal tract, hyalinizing clear cell carcinoma of the salivary gland, and primary pulmonary myxoid sarcoma. Some of the tumors in this group have been described only recently, and others have been the subject of recent genetic insights contributing to their characterization. These neoplasms are all rare; yet, the increasing frequency with which EWSR1-CREB1 and EWSR1-ATF1 fusions are being described in separate entities is noteworthy. The additional molecular mechanisms by which tumors with such variable morphologic, immunohistochemical, and clinical phenotypes are generated are yet to be understood. We review the clinicopathologic and molecular features of this group of neoplasms unified by the presence of EWSR1-CREB1 and EWSR1-ATF1 genetic fusions.
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26
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Malignant gastrointestinal neuroectodermal tumor: clinicopathologic, immunohistochemical, ultrastructural, and molecular analysis of 16 cases with a reappraisal of clear cell sarcoma-like tumors of the gastrointestinal tract. Am J Surg Pathol 2012; 36:857-68. [PMID: 22592145 DOI: 10.1097/pas.0b013e31824644ac] [Citation(s) in RCA: 127] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The clinical, histologic, immunophenotypic, ultrastructural, and molecular features of a distinctive gastrointestinal tumor are described. Sixteen patients, 8 women and 8 men aged 17 to 77 years (mean age, 42 y; 63% less than 40 y) presented with abdominal pain, intestinal obstruction, and an abdominal mass. Mean tumor size was 5.2 cm (range, 2.4 to 15.0 cm). The tumors arose in the small bowel (10), stomach (4), and colon (2) and were histologically characterized by a sheet-like or nested population of epithelioid or oval-to-spindle cells with small nucleoli and scattered mitoses. Five cases showed focal clearing of the cytoplasm. Scattered osteoclast-type multinucleated giant cells were present in 8 cases. The tumor cells were positive for S-100 protein, SOX10, and vimentin in 100% of cases, for CD56 in 70%, for synaptophysin in 56%, for NB84 in 50%, for NSE in 45%, and for neurofilament protein in 14% of cases. All cases tested were negative for specific melanocytic, gastrointestinal stromal tumors, epithelial, and myoid markers. Ultrastructural examination of 5 cases showed features of primitive neuroectodermal cells with clear secretory vesicles, dense-core granules, occasional gap junctions, and no evidence of melanogenesis. EWSR1 gene rearrangement was assessed by fluorescence in situ hybridization in 14 cases. Twelve cases (86%) showed split EWSR1 signal consistent with a chromosomal translocation involving EWSR1. One case showed extra intact signals, indicating that the nuclei possessed either extra copies of the EWSR1 gene or chromosome 22 polysomy. Only 1 case showed no involvement of the EWSR1 gene. Six cases demonstrated rearrangement of the partner fusion gene ATF1 (46%), and 3 showed rearrangement of CREB1 (23%); 2 cases lacked rearrangement of either partner gene. Clinical follow-up was available in 12 patients and ranged from 1.5 to 106 months. Six patients died of their tumors (mean survival, 32 mo; 83% less than 24 mo). At last follow-up, 4 patients were alive with regional, lymph node, and liver metastases, and 2 patients were alive with no evidence of disease. The tumor described here is an aggressive form of neuroectodermal tumor that should be separated from other primitive epithelioid and spindle cell tumors of the gastrointestinal tract. The distinctive ultrastructural features and absence of melanocytic differentiation serve to separate them from soft tissue clear cell sarcomas involving the gastrointestinal tract. The designation "malignant gastrointestinal neuroectodermal tumor" is proposed for this tumor type.
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27
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D'Amico FE, Ruffolo C, Romeo S, Massani M, Dei Tos AP, Bassi N. Clear cell sarcoma of the ileum: report of a case and review of the literature. Int J Surg Pathol 2011; 20:401-6. [PMID: 22207412 DOI: 10.1177/1066896911428073] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Clear cell sarcoma of the gastrointestinal tract (CCS-GI) is an extremely rare and aggressive tumor, which often mimics other neoplastic processes. Because of this feature, its real incidence may have been underestimated, especially in the past when genetic tests were less available than nowadays. To date, less then 30 cases have been described in the literature on the GI tract. CASE PRESENTATION We report the case of a 69-year-old woman who presented with active rectal bleeding. After a negative colonoscopy, the patient underwent a video-capsule endoscopy. The latter detected an ileal mass that was surgically resected. The microscopic appearance was consistent with a malignant mesenchymal neoplasm; immunohistochemistry was positive for S100 protein, CD56, and INI1. Fluorescence in situ hybridization showed a translocation involving the EWSR1 (Ewing sarcoma 1) gene region. All these findings were consistent with a CCS-GI. CONCLUSION Herein we present a case of CCS-GI, discuss its clinical and pathological features, and review the literature on the subject.
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Affiliation(s)
- Francesco E D'Amico
- II Department of Surgery (IV unit), Regional Hospital Ca' Foncello, Treviso, Italy.
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28
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Shenjere P, Salman WD, Singh M, Mangham DC, Williams A, Eyden BP, Howard N, Knight B, Banerjee SS. Intra-abdominal clear-cell sarcoma: a report of 3 cases, including 1 case with unusual morphological features, and review of the literature. Int J Surg Pathol 2011; 20:378-85. [PMID: 22084426 DOI: 10.1177/1066896911425485] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Clear-cell sarcoma (CCS) is a soft-tissue neoplasm that morphologically resembles cutaneous malignant melanoma but has a distinct molecular profile. Gastrointestinal and intra-abdominal CCSs are very rare. Here, the authors present 3 cases of intra-abdominal CCS and review the literature. Of these cases, 2 involved the small bowel, and 1 involved the peritoneum. Cases 1 and 3 had the characteristic CCS morphology, but case 2 was morphologically unusual and therefore difficult to diagnose. It had relatively small cells with less prominence of clear cells; many pseudoglandular structures were also present. It also showed aberrant expression of epithelial membrane antigen (EMA). The other 2 cases also involved some diagnostic uncertainty and were therefore referred to specialized centers. The authors wish to emphasize the importance of molecular studies in making a conclusive diagnosis of intra-abdominal CCS.
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Affiliation(s)
- Patrick Shenjere
- Department of Histopathology, The Christie NHS Foundation Trust, Manchester, UK.
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29
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Zhang W, Shen Y, Wan R, Zhu Y. Primary clear cell sarcoma of the sacrum: a case report. Skeletal Radiol 2011; 40:633-9. [PMID: 21181468 DOI: 10.1007/s00256-010-1077-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2010] [Revised: 12/01/2010] [Accepted: 12/02/2010] [Indexed: 02/02/2023]
Abstract
Clear cell sarcoma, first described by Enzinger in 1965, is an uncommon malignant soft tissue neoplasm that displays melanocytic differentiation. It occurs predominantly in the soft tissue of the extremities in young adults or children. Primary clear cell sarcoma of the bone is extremely rare, only seven cases have been reported to our knowledge. We present here a case of a huge primary clear cell sarcoma of the sacrum arising in a 25-year-old man. The average percentage of melanin content in the tumor was 9.25 ± 6.71%, which resulted in hypointense signal in T2-weighted and heterogeneous hyperintense signal in T1-wieghted images of magnetic resonance imaging (MRI). The patient was treated with curettage of the mass and neither further radiotherapy nor chemotherapy had been provided. The patient had local regrowth of tumor at 9 months after surgery. To our knowledge, this is the first case of CCS in the axial skeleton documented in English literature.
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Affiliation(s)
- Weibin Zhang
- Department of Orthopaedics, Rui Jin Hospital, affiliated Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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30
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Kosemehmetoglu K, Folpe AL. Clear cell sarcoma of tendons and aponeuroses, and osteoclast-rich tumour of the gastrointestinal tract with features resembling clear cell sarcoma of soft parts: a review and update. J Clin Pathol 2010; 63:416-23. [PMID: 20418233 DOI: 10.1136/jcp.2008.057471] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Clear cell sarcoma (CCS) is a rare, distinctive soft tissue neoplasm, typically occurring in the distal extremities of young adult patients. Although CCS shows melanocytic differentiation, it is now clear that it is clinicopathologically and genetically distinct from conventional malignant melanoma. The 'osteoclast-rich tumour of the gastrointestinal tract with features resembling clear cell sarcoma of soft parts' is an extraordinarily rare gastrointestinal neoplasm that shares some features of CCS, but differs from it in other ways. The historical, histopathological, ultrastructural, immunohistochemical and genetic aspects of these two tumours are reviewed in this article.
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Affiliation(s)
- Kemal Kosemehmetoglu
- Department of Pathology, Hacettepe University Faculty of Medicine, Ankara, Turkey
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31
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Abstract
Clear cell sarcoma (CCS) is a high grade soft tissue sarcoma with a distinct molecular profile. Gastrointestinal CCS is very rare and most reported cases are in adults. We describe a 10-year-old female with a 4-month history of anemia who later developed fever, weight loss and abdominal pain. She was subsequently found to have a large infiltrative gastric mass. A diagnosis of CCS was confirmed by molecular and cytogenetic studies. This case illustrates the necessity of a multimodal approach, particularly the use of molecular studies, in the diagnostic evaluation of rare tumors presenting in unusual sites.
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Affiliation(s)
- Joanne P Lagmay
- Department of Pediatrics, The Ohio State University College of Medicine, Columbus, Ohio, USA.
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32
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Tirabosco R, Lang-Lazdunski L, Diss TC, Amary MFC, Rodriguez-Justo M, Landau D, Lorenzi W, Flanagan AM. Clear cell sarcoma of the mediastinum. Ann Diagn Pathol 2009; 13:197-200. [DOI: 10.1016/j.anndiagpath.2008.02.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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33
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Capelli P, Martignoni G, Pedica F, Falconi M, Antonello D, Malpeli G, Scarpa A. Endocrine neoplasms of the pancreas: pathologic and genetic features. Arch Pathol Lab Med 2009; 133:350-64. [PMID: 19260741 DOI: 10.5858/133.3.350] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/13/2008] [Indexed: 11/06/2022]
Abstract
CONTEXT Pancreatic endocrine neoplasms (PENs) are diagnostically challenging tumors whose natural history is largely unknown. Histopathology allows the distinction of 2 categories: poorly differentiated high-grade carcinomas and well-differentiated neoplasms. The latter include more than 90% of PENs whose clinical behavior varies from indolent to malignant and cannot be predicted by their morphology. OBJECTIVES To review the literature and report on additional primary material about the clinicopathologic features, classification, staging, grading, and genetic features of PENs. DATA SOURCES Literature review of relevant articles indexed in PubMed (US National Library of Medicine) and primary material from the authors' institution. CONCLUSIONS The diagnosis of PEN is generally easy, but unusual features may induce misdiagnosis. Immunohistochemistry solves the issue, provided that the possibility of a PEN has been considered. Morphology allows the distinction of poorly differentiated aggressive carcinomas from well-differentiated neoplasms. The World Health Organization classification criteria allow for the discernment of the latter into neoplasms and carcinomas with either benign or uncertain behavior. The recently proposed staging and grading systems hold great promise for permitting a stratification of carcinomas into clinically significant risk categories. To date, inactivation of the MEN1 gene remains the only ascertained genetic event involved in PEN genesis. It is inactivated in roughly one-third of PENs. The degree of genomic instability correlates with the aggressiveness of the neoplasm. Gene silencing by promoter methylation has been advocated, but a formal demonstration of the involvement of specific genes is still lacking. Expression profiling studies are furnishing valuable lists of mRNAs and noncoding RNAs that may advance further the research to discover novel markers and/or therapeutic targets.
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Affiliation(s)
- Paola Capelli
- Department of Pathology, Section ofAnatomical Pathology, Policlinico G. B. Rossi, 37134 Verona, Italy.
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34
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Joo M, Chang SH, Kim H, Gardner JM, Ro JY. Primary gastrointestinal clear cell sarcoma: report of 2 cases, one case associated with IgG4-related sclerosing disease, and review of literature. Ann Diagn Pathol 2008; 13:30-5. [PMID: 19118779 DOI: 10.1016/j.anndiagpath.2008.10.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Clear cell sarcoma (CCS) is a distinctive soft tissue sarcoma that shows melanocytic differentiation. Primary gastrointestinal (GI) CCSs have been rarely reported, but to our knowledge, no association between GI CCSs and immunoglobulin G4 (IgG4)-related sclerosing disease has been described in the literature. We experienced 2 cases of CCS that arose in the small intestine and metastasized to the liver. Histologic features and immunophenotype were typical of CCS. One of them showed a unique peritumoral sclerosing inflammatory reaction, which was highly reminiscent of IgG4-related sclerosing inflammatory disease. Dense lymphoplasmacytic infiltration with extensive sclerosis and obliterative phlebitis was observed in the immediate vicinity of the primary and metastatic tumors, but not in the distant areas from the tumor. The average number of IgG4-positive plasma cells was more than 50 per high-power field. We report 2 cases of primary GI CCS with one case showing a unique peritumoral IgG4-related lymphoplasmacytic sclerosing inflammation.
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Affiliation(s)
- Mee Joo
- Department of Pathology, Inje University Ilsan Paik Hospital, Goyang, South Korea
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35
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Gastrointestinal melanoma or clear cell sarcoma? Molecular evaluation of 7 cases previously diagnosed as malignant melanoma. Am J Surg Pathol 2008; 32:858-66. [PMID: 18408594 DOI: 10.1097/pas.0b013e31815b8288] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Clear cell sarcoma (CCS) is a rare tumor classically associated with the tendons and aponeuroses of distal extremities of young adults. CCS and malignant melanoma (MM) share immunohistochemical profiles and ultrastructural features, but classic CCS has characteristic morphology with low mitotic activity and minimal pleomorphism. Occasional cases show pleomorphism, high mitotic index, and/or melanin pigmentation, making CCS indistinguishable from MM based on morphology. However, CCS is genetically distinct owing to its consistent association with a t(12;22)(q13;q12) chromosomal translocation, leading to the formation of the EWS/ATF1 fusion transcript. This translocation has never been documented in cutaneous melanoma, and thus is regarded as specific for CCS. Recent evidence suggests that primary "malignant melanomas" in unusual anatomic sites, most notably the gastrointestinal (GI) tract, may be CCS. This is supported by 11 cases of primary GI CCS with the t(12;22) translocation. We used reverse-transcription polymerase chain reaction and fluorescence in situ hybridization to examine whether a proportion of cases diagnosed as MM of the GI tract in patients without a history of cutaneous MM actually represent primary GI CCS. In total, we examined 7 cases: Four with no prior history of MM, 2 with histories of cutaneous MM, and 1 with an anal MM. All 4 cases for which there was no history of cutaneous/mucosal MM harbored the EWS/ATF1 fusion transcript. We report the largest series of GI CCS and have shown that molecular studies may be warranted in cases that otherwise seem to represent MM of unusual primary locations.
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Abdulkader I, Cameselle-Teijeiro J, de Alava E, Ruiz-Ponte C, Used-Aznar MM, Forteza J. Intestinal clear cell sarcoma with melanocytic differentiation and EWS [corrected] rearrangement: report of a case. Int J Surg Pathol 2008; 16:189-93. [PMID: 18417679 DOI: 10.1177/1066896907306841] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A clear cell sarcoma-like tumor with osteoclast-like giant cells of the gastrointestinal tract without immunoexpression of CD117 was recently proposed as a new tumor entity. In this article, a case of a 37-year-old man with a neoplasm of the jejunum composed of polygonal cells with clear to eosinophilic cytoplasm forming nests and fascicles is reported. Giant cells were not identified. Immunohistochemically, the tumor cells expressed strongly S100 protein, human melanoma black 45, platelet-derived growth factor receptor alpha, B-cell lymphoma 2, p53, and to a lesser extent vimentin, neuron-specific enolase, and epithelial membrane antigen. Mindbomb homolog-1 index was 35%. Immunoreactivity for CD34 and CD117 was negative. The fluorescence in situ hybridization analysis showed a translocation involving chromosome 22q12, the diagnostic hallmark of clear cell sarcoma of soft tissues. This case indicates a close histogenetic relationship with the recently reported clear cell sarcoma with osteoclast-like giant cells of the gastrointestinal tract, as well as with the clear cell sarcoma of soft tissues.
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Affiliation(s)
- Ihab Abdulkader
- Department of Pathology, Hospital Clínico Universitario, SERGAS, University of Santiago de Compostela, Galicia, Spain.
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Marcon N, Montagne K, Corby S, Ayav A, Plénat F, Champigneulle J. Sarcome à cellules claires primitif de l’iléon. Ann Pathol 2007; 27:369-72. [DOI: 10.1016/s0242-6498(07)78276-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Comin CE, Novelli L, Tornaboni D, Messerini L. Clear cell sarcoma of the ileum: report of a case and review of literature. Virchows Arch 2007; 451:839-45. [PMID: 17636326 DOI: 10.1007/s00428-007-0454-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2007] [Accepted: 03/06/2007] [Indexed: 12/23/2022]
Abstract
Clear cell sarcoma (CCS) is a high grade soft tissue sarcoma with a distinct molecular profile and with morphological features resembling those of melanoma. CCS has been rarely described in other locations other than the soft tissues, including the gastrointestinal tract. In this study, we report a case of CCS arising in the ileum of a 31-year-old woman. Histologically, the tumor involved the entire thickness of the intestinal wall. Tumor cells were polygonal or fusiform, with clear or eosinophilic cytoplasm, arranged in a uniform nested to fascicular growth pattern. Immunohistochemical studies revealed strong positivity for vimentin and S-100 protein. HMB-45, Melan-A, tyrosinase, cytokeratins, EMA, smooth muscle actin, CD34, CD31, CD117, CD99, synaptophysin, chromogranin A, CD56, and NSE were negative. Fluorescence in situ hybridization analysis demonstrated the presence of a t(12;22)(q13;q12) translocation, the diagnostic hallmark of CCS of soft parts. The present case, together with a detailed review of the literature on this topic, demonstrates that the gastrointestinal tract is a possible site of CCS of soft tissues and that making a reliable diagnosis of this tumor requires cytogenetic or molecular diagnostic investigations.
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Affiliation(s)
- Camilla E Comin
- Dipartimento di Patologia Umana ed Oncologia, Università degli Studi di Firenze, V.le Morgagni, 85, 50134 Firenze, Italy.
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39
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Abstract
Availability of KIT tyrosine kinase inhibitors for specific treatment of GISTs has magnified the importance of accurate differential diagnosis of GIST from other tumors occurring in the GI tract and abdomen. The general problems in this distinction include histological mimicry of other mesenchymal tumors with GIST, occasional KIT-negativity of GIST, and KIT-positivity of non-GISTs. Up to 5% to 10% gastric GISTs and <2% of intestinal GISTs can be KIT-negative. The identification of these tumors as GISTs is based on knowledge of the spectrum of GIST morphology, and can be supported by molecular diagnosis of KIT and PDGFRA mutations (the latter pertain to gastric tumors). True smooth muscle tumors (rare in GI tract except in esophagus and colon) can be separated from GISTs by the eosinophilic tinctorial quality of tumor cells, positivity for smooth muscle markers, and negativity for KIT. Desmoids can form large GIST-like masses, but are composed of spindled or stellate-shaped cells in a densely collagenous stroma. Negativity for KIT and nuclear positivity for beta-catenin are differentiating features. GI schwannomas, melanoma, and rare primary clear cell sarcoma are S100-positive, usually with characteristic histology. The latter two can be KIT-positive. KIT-positive non-GISTs include some sarcomas, especially angiosarcoma and Ewing sarcoma, extramedullary myeloid tumor, seminoma, and a few carcinomas, notably small cell carcinoma of lung. Spurious KIT-positivity, seen with some polyclonal KIT antibodies, has been a source of confusion leading to probable false-positive results in fibroblastic tumors and occasional other sarcomas, such as leiomyosarcomas. Integration of histological features with carefully standardized immunohistochemistry, supported by KIT and PDGFRA mutation analysis, is the cornerstone of state-of-the art differential diagnosis of GIST. To comprehensively capture all GISTs, KIT immunostains should be performed on all unclassified epithelioid and mesenchymal tumors of the abdomen. This is a US government work. There are no restrictions on its use.
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Affiliation(s)
- Nancy Dow
- Division of Gastrointestinal Pathology, Armed Forces Institute of Pathology, Washington, DC 20306-6000, USA.
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40
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Abstract
AIMS PEComa is a rare tumour developing from perivascular epithelioid cells (PEC) and is characterised by positive immunoreactivity for HMB45. Since PEComas are tumours having both a spindle cell component and an epithelioid and giant cell component, as seen in many sarcomas, as well as having a wide distribution in various organs and soft tissue, we reviewed cases originally diagnosed as sarcomas of the soft tissue in our institution and screened them by immunostaining for HMB45. METHODS Consecutive soft tissue sarcomas (31 tumours) retrieved from the Surgical Pathology file at our institution for a period of 3 years were submitted for immunostaining for HMB45. Cases with positive HMB45 immunostaining were submitted for further immunostaining for MART1, CD68, S100 protein, cytokeratin AE1/3, EMA, vimentin, MSA and CD117. RESULTS Of 31 sarcomas, three tumours in the group of 11 malignant fibrous histiocytomas (MFH) and unclassified sarcomas showed positive immunoreactivity for HMB45 and MART1 in 1-25% of tumour cells. The three tumours were located in the lower extremities and measured 8, 11 and 12 cm in diameter. Patient gender male:female was 2:1 and ages were 46, 56 and 60 years. Microscopically, the tumours were composed of a variable proportion of spindled cells, multinucleated cells and epithelioid cells disposed in diffuse sheets or nests. Mitotic figures and necrosis were frequent. The immunoreactivity was diffuse for CD68, focal for AE3 and EMA, negative or focal for MSA and CD117, and negative for S100 and AE1. All three patients developed lymph node or distant metastases and died of the disease within 1-2 years. CONCLUSIONS PEComa re-screened from the group of high grade sarcomas without definite differentiation range from pleomorphic to monomorphic cytohistopathological features. Immunostaining for HMB45 of unclassified sarcomas is useful for the classification of these tumours. They occur preferentially in the lower extremities and have a high malignant potential when associated with large size, tumoural necrosis and high mitotic activity.
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Affiliation(s)
- Kien T Mai
- Division of Anatomical Pathology, Department of Pathology and Laboratory Medicine, The Ottawa Hospital, Civic Campus, and University of Ottawa, Ottawa, Ontario, Canada.
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41
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Sengöz A, Taşdemiroğlu E, Togay H. Is clear cell sarcoma a malignant form of psammomatous melanotic schwannoma? Neurosurg Focus 2006; 21:E11. [PMID: 17341045 DOI: 10.3171/foc.2006.21.6.3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
✓The authors present a case of clear cell sarcoma (CCS) in which the tumor originated in the S-1 nerve root and had been previously diagnosed as psammomatous melanotic schwannoma (PMS). This is the third case of a spinal nerve root origin for CCS reported in the English-language literature. The similar histogenesis of CCS and malignant melanoma supports the hypothesis that biological agents or immunotherapy are potentially important areas of investigation.
The patient underwent S1–3 laminectomy and gross-total resection of the mass lesion. The border of the resection was extended 1 cm distal to the tumor margin. The postoperative period was uneventful. The new histopathological diagnosis was CCS (malignant melanoma of soft tissue). Despite total resection, the patient returned with disseminated disease at the 18-month follow-up visit. His follow-up magnetic resonance image of the lumbar spine revealed sacral L5–S3 involvement of the vertebral bodies along with disseminated cauda equina seeding.
A CCS originating from peripheral nerves is quite rare. The histopathological and immunohistochemical appearance of CCSs resembles those of PMSs. Surgery should be the first choice of treatment.
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MESH Headings
- Adolescent
- Adult
- Antigens, Neoplasm
- Biomarkers, Tumor/analysis
- Breast Neoplasms
- Diagnosis, Differential
- Diagnostic Errors
- Female
- Fibroadenoma
- Humans
- Keratins/analysis
- Male
- Melanins/analysis
- Melanoma-Specific Antigens
- Neoplasm Invasiveness
- Neoplasm Proteins/analysis
- Neoplasm Recurrence, Local
- Neoplasms, Multiple Primary
- Neoplastic Syndromes, Hereditary/diagnosis
- Neoplastic Syndromes, Hereditary/genetics
- Nerve Sheath Neoplasms/pathology
- Neurilemmoma/chemistry
- Neurilemmoma/classification
- Neurilemmoma/diagnosis
- Neurilemmoma/pathology
- Peripheral Nervous System Neoplasms/chemistry
- Peripheral Nervous System Neoplasms/classification
- Peripheral Nervous System Neoplasms/diagnosis
- Peripheral Nervous System Neoplasms/pathology
- Peripheral Nervous System Neoplasms/surgery
- Pigmentation Disorders/diagnosis
- Pigmentation Disorders/genetics
- Prognosis
- S100 Proteins/analysis
- Sacrococcygeal Region
- Sarcoma, Clear Cell/chemistry
- Sarcoma, Clear Cell/classification
- Sarcoma, Clear Cell/diagnosis
- Sarcoma, Clear Cell/pathology
- Sarcoma, Clear Cell/surgery
- Spinal Nerve Roots/chemistry
- Spinal Nerve Roots/pathology
- Spinal Nerve Roots/surgery
- Syndrome
- Vimentin/analysis
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Affiliation(s)
- Ahmet Sengöz
- Department of Neurosurgery, Istanbul Education Hospital, Istanbul, Turkey.
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42
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43
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Granville L, Hicks J, Popek E, Dishop M, Tatevian N, Lopez-Terrada D. Visceral clear cell sarcoma of soft tissue with confirmation by EWS-ATF1 fusion detection. Ultrastruct Pathol 2006; 30:111-8. [PMID: 16517477 DOI: 10.1080/01913120500406400] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Clear cell sarcoma of soft tissue (CCS-ST) is a rare malignant neoplasm characterized by a tumor-defining translocation [t(12;22) (q13;q12)], resulting in the EWS-ATF1 gene fusion. An extremely limited number of visceral CCS-ST cases have been reported in the literature. Here the authors report a visceral CCS-ST in a Hispanic adolescent male with a large infiltrative mass involving the small bowel. The tumor was evaluated by light microscopy, immunocytochemistry, electron microscopy, cytogenetics, and molecular genetics. The tumor cells were strongly positive for S-100 protein, but negative for HMB-45. Rare premelanosomes were identified only after an extensive search with electron microscopy. Cytogenetics showed a characteristic t(12;22)(q13;q12) for CCS-ST with isochromosome 18q and trisomy 22. An EWS exon 8 sense primer and an antisense ATF1 primer were employed for detection of the CCS-ST tumor-defining EWS-ATF1 translocation, using reverse transcriptase-polymerase chain reaction techniques (RT-PCR), and the fusion gene breakpoint underwent DNA sequencing. This tumor is exceptional, because it is the first visceral CCS-ST that has been confirmed by RT-PCR and DNA sequencing. This case also illustrates the necessity of a multimodal approach to tumor diagnosis, and the utility of cytogenetics and molecular pathology in confirming the diagnosis of CCS-ST and eliminating conventional metastatic or primary visceral malignant melanoma as a consideration.
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MESH Headings
- Adolescent
- Anemia, Iron-Deficiency/diagnosis
- Biomarkers, Tumor/metabolism
- Cytogenetic Analysis
- DNA, Neoplasm/analysis
- Diagnosis, Differential
- Fatal Outcome
- Humans
- Intestinal Neoplasms/genetics
- Intestinal Neoplasms/metabolism
- Intestinal Neoplasms/pathology
- Male
- Melanoma/diagnosis
- Melanoma/secondary
- Oncogene Proteins, Fusion/genetics
- Oncogene Proteins, Fusion/metabolism
- Reverse Transcriptase Polymerase Chain Reaction
- Sarcoma, Clear Cell/genetics
- Sarcoma, Clear Cell/metabolism
- Sarcoma, Clear Cell/pathology
- Sequence Analysis, DNA
- Soft Tissue Neoplasms/genetics
- Soft Tissue Neoplasms/metabolism
- Soft Tissue Neoplasms/pathology
- Transcription Factors/genetics
- Transcription Factors/metabolism
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Affiliation(s)
- Laura Granville
- Department of Pathology, Texas Children's Hospital, Baylor, College of Medicine, Houston, Texas 77030-2313, USA
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44
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Venkataraman G, Quinn AM, Williams J, Hammadeh R. Clear cell sarcoma of the small bowel: a potential pitfall. Case report. APMIS 2006; 113:716-9. [PMID: 16309433 DOI: 10.1111/j.1600-0463.2005.apm_243.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Clear cell sarcoma (soft-part melanoma) is a very rare entity with a distinctive histopathologic and molecular profile. Herein, we present the sixth reported case of a primary gastrointestinal clear cell sarcoma discovered in a 21-year-old woman. The patient underwent numerous tests prior to the diagnosis of her small bowel pathology, including the use of capsule endoscopy, which allowed for visualization and final localization of the tumour. Additionally, we discuss this rare type of sarcoma that affects young adults and has a poor prognosis characterized by the balanced chromosomal translocation t(12;22)(q13;q12) with special emphasis on the necessity for pathologists to be able to distinguish it from melanoma -- potentially a major pitfall in diagnosis.
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Affiliation(s)
- Girish Venkataraman
- Department of Pathology, Loyola University Medical Center, Maywood, IL 60153, USA.
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45
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Mhanna T, Ranchere-Vince D, Hervieu V, Tardieu D, Scoazec JY, Partensky C. Clear cell myomelanocytic tumor (PEComa) of the duodenum in a child with a history of neuroblastoma. Arch Pathol Lab Med 2006; 129:1484-6. [PMID: 16253032 DOI: 10.5858/2005-129-1484-ccmtpo] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
We report herein a case of digestive clear cell myomelanocytic tumor (PEComa) that is unique in its location and presentation. The lesion, located in the duodenal wall, was diagnosed in a child with a history of cervical neuroblastoma that was in remission after surgical resection and chemotherapy. The diagnosis was obtained by examination of a biopsy specimen taken during laparoscopy. The decision was made to perform surgical resection. Examination of the surgical specimen confirmed the diagnosis of PEComa. No metastasis was found. After 2 years of follow-up, the patient is alive, without evidence of metastasis or recurrence. This case highlights the distinctive characteristics of the cells in PEComa, recognizable even on limited biopsy material. It also suggests a possible association between PEComa and neuroblastoma, 2 unusual tumors that belong to the spectrum of lesions known to occur in patients with tuberous sclerosis and that may share a possible common pathogenetic mechanism.
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Affiliation(s)
- Tony Mhanna
- The Fédération des Spécialités Digestives, Hôpital Edouard Herriot, Lyon, France
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46
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Huang W, Zhang X, Li D, Chen J, Meng K, Wang Y, Lu Z, Zhou X. Osteoclast-rich tumor of the gastrointestinal tract with features resembling those of clear cell sarcoma of soft parts. Virchows Arch 2005; 448:200-3. [PMID: 16220298 DOI: 10.1007/s00428-005-0051-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2005] [Accepted: 07/22/2005] [Indexed: 12/12/2022]
Abstract
Clear cell sarcoma is a high-grade sarcoma with morphological features resembling those of malignant melanoma. An osteoclast-rich tumor of the gastrointestinal tract with features resembling those of clear cell sarcomas of soft parts is very rare. Herein, we report an unusual stomach tumor with microscopic and immunohistochemical characteristics of an osteoclast-rich tumor of the gastrointestinal tract with features resembling those of clear cell sarcomas of soft parts. The tumor cells were predominantly oval, admixed with some round and spindle elements arranged in nests and fascicles, and admixed with scattered osteoclast-like multinucleated giant cells. Neoplastic cells were positive for S-100 protein, and osteoclast-like multinucleated giant cells were immunoreactive to CD68. The unusual morphology of the tumor caused significant diagnostic difficulties. The differential diagnosis included gastrointestinal stromal tumor, primary or metastatic melanoma, and epithelioid malignant peripheral nerve sheath tumor. To the best of our knowledge, this is possibly the second description of an osteoclast-rich tumor of the gastrointestinal tract with features resembling those of clear cell sarcomas of soft parts.
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Affiliation(s)
- Wenbin Huang
- Department of Pathology, Jinling Hospital, Clinical School of Medical College, Nanjing University, 305 Zhongshan East Road, 210002 Nanjing Jiangsu, PR China
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47
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Taminelli L, Zaman K, Gengler C, Peloponissios N, Bouzourene H, Coindre JM, Hostein I, Guillou L. Primary clear cell sarcoma of the ileum: an uncommon and misleading site. Virchows Arch 2005; 447:772-7. [PMID: 16021514 DOI: 10.1007/s00428-005-0019-y] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2005] [Accepted: 05/23/2005] [Indexed: 12/20/2022]
Abstract
A clear cell sarcoma, arising primarily in the ileum of a 35-year-old man, is reported. Histologically, the neoplasm infiltrated the full thickness of the intestinal wall. It consisted of strands and sheets of round to spindle-shaped cells with clear to eosinophilic cytoplasm, vesicular nuclei and prominent nucleoli. Vascular invasion was present at diagnosis. Tumour cells expressed S-100 protein, melan-A and tyrosinase. They were negative for HMB45, CD117, cytokeratins, epithelial membrane antigen, smooth muscle actin, desmin, CD31, CD34, chromogranin and synaptophysin. Reverse transcription-polymerase chain reaction analysis performed on paraffin-embedded tissue showed EWS-ATF1 fusion transcripts representative of the t(12;22) (q13;q12) clear cell sarcoma reciprocal translocation. The patient, who developed liver metastases 2 months after diagnosis, died of disease at 15 months. This case demonstrates that the gastrointestinal tract is a potential site for primary clear cell sarcoma of soft tissues, and, furthermore, that cytogenetics and/or molecular techniques play a central role in the diagnosis.
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48
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Achten R, Debiec-Rychter M, De Wever I, Sciot R. An unusual case of clear cell sarcoma arising in the jejunum highlights the diagnostic value of molecular genetic techniques in establishing a correct diagnosis. Histopathology 2005; 46:472-4. [PMID: 15810965 DOI: 10.1111/j.1365-2559.2005.02010.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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49
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Covinsky M, Gong S, Rajaram V, Perry A, Pfeifer J. EWS-ATF1 fusion transcripts in gastrointestinal tumors previously diagnosed as malignant melanoma. Hum Pathol 2005; 36:74-81. [PMID: 15712185 DOI: 10.1016/j.humpath.2004.10.015] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Clear cell sarcoma (CCS) is classically a deep soft tissue tumor associated with tendons or aponeuroses, although cases of primary CCS of the gastrointestinal (GI) tract have recently been reported. Because it is difficult to distinguish CCS from metastatic melanoma based on morphology, immunohistochemical profile, and ultrastructural features, it is possible that some GI tumors diagnosed as metastatic melanoma actually represent primary GI CCS. Because the EWS-ATF1 fusion transcript and the associated t(12;22)(q13;q12) translocation occur in CCS but not cutaneous melanoma, we investigated the use of molecular-based testing for discriminating CCS from metastatic melanoma (MM) in GI tumors. METHODS Patients with GI tumors diagnosed as MM were identified from departmental files. The tumors were tested for the EWS-ATF1 fusion transcript by RT-PCR and for t(12;22)(q13;q12) by fluorescence in situ hybridization. RESULTS Detailed review of medical records revealed that 16 (80%) of the 20 had a documented history of cutaneous melanoma. Two cases (10%) harbored the EWS-ATF1 fusion transcript, and fluorescence in situ hybridization confirmed the presence of t(12;22) in both cases. Of the 2 positive tumors, 1 developed in a patient who had no history of cutaneous melanoma, and the other developed in a patient with a remote history of vulvar melanoma. CONCLUSION Based on molecular genetic findings, a subset of GI tumors diagnosed as MM by routine histopathologic evaluation represents CCS.
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Affiliation(s)
- Michael Covinsky
- Lauren V. Ackerman Laboratory of Surgical Pathology, Washington University School of Medicine, St. Louis, MO 63110-1093, USA
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50
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Abstract
Certain HMB-45-positive epithelioid cell tumors have recently been categorized under a unified concept: perivascular epithelioid cell tumor (PEComa). In this report, we describe ajejunal PEComa arising in a 32-year-old woman without other tumors or stigmata of tuberous sclerosis. The tumor consisted of nests of epithelioid cells with clear to granular eosinophilic cytoplasm. The nests were separated by thin fibrovascular septa. The tumor cells were positive for HMB-45 and progesterone receptor, and negative for cytokeratin, epithelial membrane antigen, vimentin, desmin, alpha-smooth muscle actin and CD34. RT-PCR analysis failed to reveal fusion transcript ETW/ATF1, which is characteristic of clear cell sarcoma of the soft parts. She developed a recurrent tumor at the pelvic wall and the left ovary at 13 and 25 months after the first operation, respectively. Each tumor was resected surgically, and no additional therapy was performed. We think the tumor of this case is a malignant form of PEComa because of the clinical history of multiple recurrences and the size of the primary tumor. Our case underscores that to make a correct diagnosis, clinical information and immunohistochemical examination are essential.
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Affiliation(s)
- Hiroyuki Yanai
- Department of Pathology, Hiroshima City Hospital, Hiroshima, Japan
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