Where can rashes appear with sarcoidosis?

Rash with sarcoidosi. 25% of patients have rashes as the presentation.The rashes are more common in lower extremities.It can be erythema nodosum, which is raised painful bumps more common in lower extremities, or plaque like rash or reddish brown maculopaoular rash.The rash usually disappear without any treatment i 2 to 4 weeks.