Pleural Effusion in a 57-Year-Old Female without Known Malignancy: A Diagnostic Dilemma

Course overview

Case Studies provide an interactive distance-learning experience to interesting cases in the field of cytopathology. Each Case includes objectives, images, a clinical history, along with a multiple-choice diagnosis followed by discussion, review images and references. Target Audience This educational activity is designed for pathologists, fellows/residents, cytotechnologists, and other members of the cytopathology community. Learning Objectives Understand the principles and application of The International System for Reporting Serous Fluid Cytopathology (TIS) Recognize the cytomorphological features characteristic of metastatic adenocarcinoma in serous fluid cytology Apply ancillary studies in serous fluid cytology to differentiate benign/reactive conditions from malignancy and discuss potential differential diagnoses Presenting Authors: Qun Wang, MD, PhD