An FNA pitfall: Mammary analog secretory carcinoma mistaken for acinic cell carcinoma due to cytoplasmic granules

• Main Authors: Nouf Hijazi, MD (Author), Amir Rahemtulla, MD (Author), Chen Zhou, MD, PhD (Author), Thomas Thomson, MD (Author)
• Format: Book
• Published: Elsevier, 2014-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

In the salivary gland, a key differential feature of Mammary analog secretory carcinoma (MASC) from acinic cell carcinoma (ACC) is the lack of cytoplasmic granules. We report a case of a parotid mass incorrectly diagnosed on fine needle aspirate as acinic cell carcinoma due to many cells with basoph...