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Pathology & Oncology Research

Erschienen in:

01.12.2010

Uterine Tumors with Neuroectodermal Differentiation. A Report of 4 Cases

verfasst von: Pavel Dundr, Daniela Fischerová, Ctibor Povýšil, Adéla Berková, Lenka Bauerová, David Cibula

Erschienen in: Pathology & Oncology Research | Ausgabe 4/2010

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Abstract

We report four cases of uterine tumors with neuroectodermal differentiation. One tumor had neuroectodermal component only; in the three other tumors, the neuroectodermal component was admixed with another component, namely rhabdomyosarcoma (1 case), and endometrioid adenocarcinoma (2 cases). Histologically, the neuroectodermal component consisted of small to medium sized cells arranged in diffuse sheets. The tumor cells had round nuclei with stippled to coarsely granular chromatin, mostly with non-prominent nucleoli, and scant eosinophilic or amphophilic cytoplasm. Immunohistochemically, 4/4 tumors showed expression of vimentin, synaptophysin and CD56; 3/4 tumors were CD99 and NSE positive; 2/4 tumors showed focal expression of S-100 protein; and 1/4 tumors had focal dot-like cytoplasmic positivity for cytokeratin AE1/AE3. FLI-1 was negative in all cases. FISH examination was performed and none of the tumors showed rearrangement of EWSR1 gene. Uterine tumors with neuroectodermal differentiation are rare; to the best of our knowledge only 44 cases have been reported in the literature to date, referred to as Ewing sarcoma, peripheral PNET (pPNET), PNET (not otherwise specified) and uterine tumors with neuroendocrine differentiation.

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Titel: Uterine Tumors with Neuroectodermal Differentiation. A Report of 4 Cases
verfasst von: Pavel Dundr
Daniela Fischerová
Ctibor Povýšil
Adéla Berková
Lenka Bauerová
David Cibula
Publikationsdatum: 01.12.2010
Verlag: Springer Netherlands
Erschienen in: Pathology & Oncology Research / Ausgabe 4/2010
Print ISSN: 1219-4956
Elektronische ISSN: 1532-2807
DOI: https://doi.org/10.1007/s12253-010-9249-7

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Uterine Tumors with Neuroectodermal Differentiation. A Report of 4 Cases

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