Case Reports Surgical Pathology 2025 Exercise 2: Granular Cell Tumor of the Larynx and Selected Other Head and Neck Pitfalls

Authors

Laura Spruill, MD, PhD

Tiffany Baker, MD, PhD

Department of Pathology and Laboratory Medicine

Medical University of South Carolina 

Charleston, South Carolina

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:

·       apply appropriate diagnostic criteria to reach a diagnosis of submucosal Granular Cell Tumor, including histologic and immunohistochemical stain findings;

·       employ appropriate molecular testing to discern between Papillary Thyroid Carcinoma and Hyalinizing Trabecular Tumor; and

·       relate diagnostic information regarding the subtypes of Unicystic Ameloblastoma and their clinical significance