Löfgren syndrome

Löfgren syndrome is a subtype of acute sarcoidosis that is frequent in Scandinavian, Irish, Afroamerican and Puerto Rican women. It is characterized by a complex of hilar adenopathy on x-ray and erythema nodosum (tender red nodules, usually on the shins). It may be accompanied by joint symptoms and fever.

References

• Lofgren S (1953). "Primary pulmonary sarcoidosis. I. Early signs and symptoms". Acta Med Scand. 145 (6): 424–31. PMID 13079656.