title: Malignant external otitis.
mesh_terms: D004423:Ear / Q000473:pathology; D004428:Ear Neoplasms / Q000150:complications; D006801:Humans; D007709:Klebsiella / Q000302:isolation & purification; D008297:Male; D008875:Middle Aged; D010032:Otitis Externa / Q000150:complications / Q000209:etiology / Q000382:microbiology / Q000473:pathology*; D010212:Papilloma / Q000150:complications; D011511:Proteus / Q000302:isolation & purification; D011549:Pseudomonas / Q000302:isolation & purification; D011552:Pseudomonas Infections / Q000473:pathology; D013210:Staphylococcus / Q000302:isolation & purification