pulmonary disorders
Sarcoidosis
Löfgren syndrome
Löfgren syndrome manifests as a triad of acute migratory polyarthritis, erythema nodosum, and hilar adenopathy. Fever, malaise, uveitis, and parotitis may also be present. Löfgren syndrome is more common among people of European ancestry. Löfgren syndrome is self-limited. Patients can usually be treated with nonsteroidal anti-inflammatory drugs (NSAIDs) alone. Rate of relapse is low. 