synchronous primary carcinoid tumor and primary adenocarcinoma arising within mature cystic teratoma of horseshoe kidney a unique case report and review of the literature同步主类癌肿瘤和主腺癌产生成熟的囊性畸胎瘤的马蹄肾内独特的病例报告和文献之回顾.pdf

Diagnostic Pathology BioMed Central Case Report Open Access Synchronous primary carcinoid tumor and primary adenocarcinoma arising within mature cystic teratoma of horseshoe kidney: a unique case report and review of the literature 1 1 1,2 Henry B Armah* , Anil V Parwani and Aleksandr M Perepletchikov Address: 1Department of Pathology, Presbyterian-Shadyside Hospital, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA and 2Department of Pathology, Mercy Hospital, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA Email: Henry B Armah* - armahh2@; Anil V Parwani - parwaniav@; Aleksandr M Perepletchikov - perepletchikova@ * Corresponding author Published: 14 June 2009 Received: 29 May 2009 Accepted: 14 June 2009 Diagnostic Pathology 2009, 4:17 doi:10.1186/1746-1596-4-17 This article is available from: /content/4/1/17 © 2009 Armah et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Background: Malignant transformation of mature cystic teratoma is a rare complication. While any of the constituent tissues of a teratoma has the potential to undergo malignant transformation, squamous cell carcinoma is the most commonly associated malign