Sertoli cell tumors of the testis are extremely rare tumors with a heterogeneous pathology. Three histological variants have been described: Sertoli cell tumor not otherwise specified (NOS), large cell calcifying sertoli cell tumor and the Sclerosing Sertoli cell tumor. The sclerosing Sertoli cell tumor described herein is associated with prominent stromal sclerosis. They present as painless...

Background: large gastrointestinal stromal tumors (GISTs) represent a surgical challenge for complete en block resection, which is the mainstay strategy management. This study was done to determine long term oncological outcomes following resection of GISTs >10 cm. Material and methods: retrospective included 52 patients who underwent GIST Our main outcome overall survival along with predict...

Collision tumors are rare neoplasms displaying two distinct cell populations developing in juxtaposition to one another without areas of intermingling. They are rare entities with only 63 cases described in English literature. Tumors encountered are gastric adenocarcinomas colliding with lymphomas, gastrointestinal stromal tumors, squamous cell carcinomas, and neuroendocrine tumors. Their cell ...