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Course: Nail Sarcoidosis

CME Credits: 1.00

Released: 2022-08-24

A 74-year-old man presented for an evaluation of skin and nail changes in the setting of known pulmonary sarcoidosis. Skin examination showed scaly orange to pink papules and plaques on the head, neck, trunk, and arms that were consistent with cutaneous sarcoidosis. His left middle and ring fingernails, along with his right thumb, middle, and ring fingernails, had significant longitudinal ridging (onychorrhexis) and nail plate crumbling (). He had pain in several fingers, with joint swelling of the interphalangeal joints on involved fingers. Prior punch biopsies performed on the scalp and back demonstrated sarcoidal granulomatous inflammation. Hand radiography results were obtained and revealed erosions and cyst formation with intraosseous lacelike pattern in the distal phalanges (). The bony changes seen on imaging corresponded to the fingers with visible nail changes.


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