Sarcoidosis is a rare systemic disease that afflicts an estimated 200,000 people in the US, more often people who are Black and more women than men, particularly when it causes chronic skin disease.

The annular or circinate form of sarcoidosis of the skin described above is a striking clinical expression of the disease. The lesions occur particularly on the forehead, face, and nape of the neck.

and Chronic sarcoidosis skin lesions: do not cause itch, pain, or ulcerate. Eyes: redness, photophobia, decreased visual acuity in 9% to 25% cases: Anterior uveitis: the commonest eye ...

The global burden of ILD and pulmonary sarcoidosis increased by 169% from 1990 to 2021, with high-SDI countries most affected. ILDs, including idiopathic pulmonary fibrosis, have a poor prognosis ...