Muscle biopsy is a minor surgical procedure that involves making an incision in the skin to obtain a few small pieces of the underlying muscle for detailed histologic, histochemical, or biochemical ...

How do you diagnose sarcoidosis? Sarcoidosis is usually diagnosed with a combination of a physical exam, imaging like a chest X-ray, and a biopsy of granulomas, according to the Cleveland Clinic.

Sixty patients with sarcoidosis were tested. Fourteen of them failed to report for reading or refused biopsy; the test was completed in 46 patients (Table 1). No residua were detected in 10 ...