Malignant Otitis Externa, also known as pseudomonas aeruginosa osteomyelitis of the temporal bone, is related to cellulitis and mucormycosis. An important gene associated with Malignant Otitis Externa is CRP (C-Reactive Protein), and among its related pathways/superpathways is Signal Transduction. The drugs Fluorodeoxyglucose F18 and Radiopharmaceuticals have been mentioned in the context of this disorder. Affiliated tissues include bone and brain.