Suvarna A. Deshmukh-Rane, MD
Department of Pathology and Laboratory Medicine, University of California Irvine, School of Medicine, Irvine

Mark Li-cheng Wu, MD
Department of Pathology and Laboratory Medicine, University of California Irvine, School of Medicine, Irvine

Keywords: Pseudolipomatosis; Endometrium; Artifact; Perforation; Biopsy

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

• compare the morphology of pseudolipomatosis with that of adult white fat.
• discuss why pseudolipomatosis in the setting of endometrial biopsies is likely an artifact unrelated to uterine perforation or histologic processing.
• list factors that might cause pseudolipomatosis in the setting of endometrial biopsies.
• compare the morphology of endometrial pseudolipomatosis with that of colorectal pseudolipomatosis.