Case Reports Cytopathology 2025 Exercise 2: Fine Needle Aspiration of Oncocytic Renal Neoplasms and Diagnostic Clues for the Differential Diagnosis

Authors

Rachel Gordezky, MD

Havva Gokce Terzioglu, MD

Department of Pathology

Loyola University Medical Center

Maywood, Illinois

Primary Audience: Pathologists and Clinical Scientists
Secondary Audience: Residents, Laboratory Technologist/Scientist (Includes all sub-specialty areas), Students, Pathologist Assistants,  Laboratory Directors and Educators

Upon completion of this activity, you will be able to:

·       recognize characteristic cytomorphologic features of oncocytic renal neoplasms;

·       discuss the differential diagnosis of oncocytic renal neoplasms;

·       differentiate the immunohistochemical staining patterns of different oncocytic renal neoplasms; and

·       recognize the most appropriate diagnostic terminology for fine needle aspirations of oncocytic renal neoplasms.