To the Editor.—
Sarcoidosis is a systemic, granulomatous disorder that can affect any tissue. Involvement of nails in this disease is rare.1,2 In one of our patients with chronic sarcoidosis, extensive cracking and brittleness of the nails developed during the course of the disease. These lesions cleared completely after oral prednisone and chloroquine phosphate therapy.
Report of a Case.—
In 1973, a 60-year-old woman was referred to the sarcoidosis clinic at the Los Angeles County-University of Southern California Medical Center for reevaluation and treatment of chronic sarcoidosis. The initial diagnosis of sarcoidosis had been made in 1968 by means of a positive Kveim test result and a skin biopsy specimen that showed noncaseating granulomas.Physical examination showed macular patches and papules, 3 to 5 mm in diameter, on the face, neck, and back. The small joints of both hands were swollen. The nasal mucosa was dry and crusty. A