A Rare Case of Clear Cell Carcinoma, Müllerian Type in the Renal Pelvis of a 21-Year-Old Woman
Clear Cell Carcinomas of Müllerian origin are extremely rare within the upper urinary system. Their morphology is identical to that of the Clear Cell Carcinomas of the female genital tract. When they arise in the urinary tract, it is thought to be due to ectopic Müllerian embryogenesis. Here, we pre...
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Wiley
2018-01-01
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| Series: | Case Reports in Pathology |
| Online Access: | http://dx.doi.org/10.1155/2018/1521598 |
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| author | Diandra Perez Rana Naous |
| author_facet | Diandra Perez Rana Naous |
| author_sort | Diandra Perez |
| collection | DOAJ |
| description | Clear Cell Carcinomas of Müllerian origin are extremely rare within the upper urinary system. Their morphology is identical to that of the Clear Cell Carcinomas of the female genital tract. When they arise in the urinary tract, it is thought to be due to ectopic Müllerian embryogenesis. Here, we present a case of a 21-year-old woman with a Clear Cell Carcinoma, Müllerian type, arising from the renal pelvis. Histologically, it consisted of tubulopapillary architecture with associated foamy macrophages and a mucinous background. The neoplastic cells exhibited variably sized round nuclei with prominent nucleoli, eosinophilic to vacuolated cytoplasm with occasional intracytoplasmic mucin vacuoles, and a hobnail appearance. Immunohistochemical stains showed that the neoplastic cells were positive for Pax-8, p53, CK7, HMWK 903, and INI-1 and focally positive for p504s (AMACR). The neoplastic cells were negative for GATA-3, CK5/CK6, p63, CK20, and CDX-2 immunostains, ruling out urothelial or enteric phenotype. Additional immunostains performed by an outside institution showed that the neoplastic cells were positive for HNF-1β. The overall morphology and immunophenotype were consistent with Clear Cell Carcinoma of Müllerian origin arising from the renal pelvis. Follow-up revealed no metastasis or other tumor sites, supporting that this was the primary location. |
| format | Article |
| id | doaj-art-1b6f8b863c1f41dda7d7546d58fb3f38 |
| institution | OA Journals |
| issn | 2090-6781 2090-679X |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
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| series | Case Reports in Pathology |
| spelling | doaj-art-1b6f8b863c1f41dda7d7546d58fb3f382025-08-20T02:01:50ZengWileyCase Reports in Pathology2090-67812090-679X2018-01-01201810.1155/2018/15215981521598A Rare Case of Clear Cell Carcinoma, Müllerian Type in the Renal Pelvis of a 21-Year-Old WomanDiandra Perez0Rana Naous1Department of Pathology, SUNY Upstate Medical University, Syracuse, NY 13210, USADepartment of Pathology, SUNY Upstate Medical University, Syracuse, NY 13210, USAClear Cell Carcinomas of Müllerian origin are extremely rare within the upper urinary system. Their morphology is identical to that of the Clear Cell Carcinomas of the female genital tract. When they arise in the urinary tract, it is thought to be due to ectopic Müllerian embryogenesis. Here, we present a case of a 21-year-old woman with a Clear Cell Carcinoma, Müllerian type, arising from the renal pelvis. Histologically, it consisted of tubulopapillary architecture with associated foamy macrophages and a mucinous background. The neoplastic cells exhibited variably sized round nuclei with prominent nucleoli, eosinophilic to vacuolated cytoplasm with occasional intracytoplasmic mucin vacuoles, and a hobnail appearance. Immunohistochemical stains showed that the neoplastic cells were positive for Pax-8, p53, CK7, HMWK 903, and INI-1 and focally positive for p504s (AMACR). The neoplastic cells were negative for GATA-3, CK5/CK6, p63, CK20, and CDX-2 immunostains, ruling out urothelial or enteric phenotype. Additional immunostains performed by an outside institution showed that the neoplastic cells were positive for HNF-1β. The overall morphology and immunophenotype were consistent with Clear Cell Carcinoma of Müllerian origin arising from the renal pelvis. Follow-up revealed no metastasis or other tumor sites, supporting that this was the primary location.http://dx.doi.org/10.1155/2018/1521598 |
| spellingShingle | Diandra Perez Rana Naous A Rare Case of Clear Cell Carcinoma, Müllerian Type in the Renal Pelvis of a 21-Year-Old Woman Case Reports in Pathology |
| title | A Rare Case of Clear Cell Carcinoma, Müllerian Type in the Renal Pelvis of a 21-Year-Old Woman |
| title_full | A Rare Case of Clear Cell Carcinoma, Müllerian Type in the Renal Pelvis of a 21-Year-Old Woman |
| title_fullStr | A Rare Case of Clear Cell Carcinoma, Müllerian Type in the Renal Pelvis of a 21-Year-Old Woman |
| title_full_unstemmed | A Rare Case of Clear Cell Carcinoma, Müllerian Type in the Renal Pelvis of a 21-Year-Old Woman |
| title_short | A Rare Case of Clear Cell Carcinoma, Müllerian Type in the Renal Pelvis of a 21-Year-Old Woman |
| title_sort | rare case of clear cell carcinoma mullerian type in the renal pelvis of a 21 year old woman |
| url | http://dx.doi.org/10.1155/2018/1521598 |
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