Foreign bodies in granulomatous cutaneous lesions of patients with systemic sarcoidosis.

Objective: To assess the presence of foreign material in the granulomatous cutaneous lesions of patients with systemic sarcoidosis.

Design And Setting: Observational study reevaluating histological specimens at a university referral hospital.

Patients: Sixty-five patients diagnosed as having sarcoidosis who developed granulomatous cutaneous involvement.