https://www.selleckchem.com/pr....oducts/ap-3-a4-enobl
Scattered eosinophils were noted. These neoplastic cells were positive for S100 and negative for CD68, CD34, and CD117, most consistent with a schwannoma. Discussion Diagnosing appendiceal schwannoma pre-operatively is a challenging task due to the rare nature of the tumors and the lack of clinical features to separate it from other appendiceal pathology. Appendiceal schwannomas are benign but it is unclear if malignant transformation is possible if left untreated. While there are currently no agreed upon treatment guidelines f