Southside Elementary School located in Blairs, Virginia - VA. Find Southside Elementary School test scores, student-teacher ratio, parent reviews and teacher stats. We're an independent nonprofit that provides parents with in-depth school quality information. Schools
The pathogenesis of erythema annulare centrifugum (EAC) is unknown, but it is probably due to a hypersensitivity reaction to a variety of agents, including drugs, arthropod bites, infections (bacterial, mycobacterial, viral, fungal, filarial), ingestion (blue cheese Penicillium), and malignancy.
Pathology and Pathophysiology of Erythema Multiforme. EM is caused due to a delayed type IV hypersensitivity reaction. The herpes virus infection causes an increase of CD54 and major histocompatibility complex class 1 molecules. HSV DNA is found in EM lesions caused by the herpes virus.