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Updated: Sep 12, 2025

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
Published on: March 12, 2021
A case of pilomatrix carcinoma found in the shoulder
Yunan Han1, Abid Qureshi1, Dhipthika Srinivasan1
1Department of Surgery, The Brooklyn Hospital Center, 121 DeKalb Avenue, Brooklyn, NY 11201, United States.
Abstract:
To date, ~200 cases of pilomatrix carcinoma have been reported in the literature. These tumors usually present as atypical, solitary, firm nodules, most commonly in the head and neck region. Published data indicate that these tumors exhibit aggressive behavior and have a high potential for recurrence. Therefore, surgical excision with wide margins is recommended. We report a case of pilomatrix carcinoma located on the shoulder, initially presenting as a small pimple with purulent discharge in a 64-year-old man. We also review the relevant literature, with particular focus on the clinical characteristics, early identification, and treatment modalities associated with this disease.
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