Erythema migrans is a circular rash ... and it's in the middle of your back or behind your knee, you don't really look at those areas usually in the mirror," Aucott says. "The lesions themselves ...

Six weeks earlier, she had removed a small tick that was attached behind her right knee. On physical examination ... with enhanced central erythema; no other abnormalities are noted.

But there are several reasons that pain behind the knee can occur. Knee pain is so common because many structures are ...

Erythema means reddening of the skin due to inflammation which is usually a result of accumulation of cells of the immune system and chemicals these cells release. There can be many reasons for the ...

IT HAS long been known that erythema nodosum occurs in association with tuberculosis and rheumatic fever. 1, 2 Within recent years clinicians have often noted its relation to such varied diseases ...