American Board of Pathology (ABPath) Practice Test 2025 - Free Pathology Exam Practice Questions and Study Guide

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In terms of tumor pathology, what is a common type of malignant testicular tumor?

Sertoli cell tumor

Germ cell tumor

A common type of malignant testicular tumor is a germ cell tumor. These tumors originate from germ cells, which are the cells responsible for producing sperm. Germ cell tumors account for about 95% of all testicular cancers and can be further classified into subtypes, including seminomas and non-seminomas. Their prevalence and distinct pathological characteristics make them a significant focus in the study and treatment of testicular cancer.

Sertoli cell tumors and Leydig cell tumors are examples of sex-cord stromal tumors and are much less common compared to germ cell tumors. These tumors generally have a different prognosis and clinical behavior. Fibromas are benign neoplasms and do not fall under the category of malignant tumors. Understanding the differences among these tumor types is crucial for accurate diagnosis and effective management in pathology.

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Leydig cell tumor

Fibromas

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