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Pilomatrixoma Masquerading as Metastatic Adenocarcinoma.
A Diagnostic Pitfall on Cytology
FD13-FD14
Correspondence
Dr. Divya Sharma,
Senior Resident, Department of Pathology,
Maulana Azad Medical College, Bahadur Shah Zafar Marg, New Delhi-110002, India.
Phone : 91-8860998489, E-mail : sharmadivya20@rediffmail.com
Pilomatrixoma (Px) is a relatively uncommon slowly growing, benign skin appendageal tumor with a wide morphological spectrum, and can pose diagnostic difficulties especially in cases with unusual clinical presentation. We report a case of young male who presented with a nodule over anterior abdominal wall, fine needle aspiration cytology (FNAC) revealed predominantly small cells in focal acinar pattern suggestive of metastatic carcinoma; however, histopathological diagnosis was Px. The case highlights the diagnostic pitfalls on cytology due to limited morphology.