Case Reports Cytopathology 2022 Exercise 2: Endoscopic Ultrasonography–Guided Fine-Needle Aspiration of an Intrapancreatic Accessory Spleen: A Case Report and Cytomorphologic Clues to a Diagnosis

Authors

Emily Anderson, BS

University of Minnesota Medical School Twin Cities

Khalid Amin, MD

Department of Laboratory Medicine and Pathology

University of Minnesota

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 intrapancreatic accessory spleens (IPAS) on cytology preparations;

·       understand the utility and pattern of CD8 immunohistochemical staining in the cytologic diagnosis of accessory spleens;

·       recognize IPAS histology on cytologic specimens; and

·       identify characteristic cytomorphologic features to differentiate key differential diagnoses for IPASs.