AUTHOR=Chang Chia Ning , Shen Chiung Chyi TITLE=Spindle cell oncocytoma of the pituitary tumor: A rare case report and literature reviews JOURNAL=Frontiers in Surgery VOLUME=Volume 9 - 2022 YEAR=2023 URL=https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2022.1021680 DOI=10.3389/fsurg.2022.1021680 ISSN=2296-875X ABSTRACT=Spindle cell oncocytoma of the pituitary gland is increasingly established with improvement in histological and immunohistochemical examination. However, the diagnosis was often mistaken under images studies and nonspecific clinical manifestation. We provide this case to overview of the characters of the rare tumor and to demonstrate challenges of diagnosis and current treatments.