Last updated: Friday, 06, August, 2010
Ear swab may be indicated when infection is severe or recurrent or when simple therapeutic measures are not successful.
'Malignant' otitis externa
Osteomyelitis of the petrous temporal bone, usually in patients with diabetes mellitus and often caused by Pseudomonas aeruginosa: pus (ear swab) - microscopy and culture.
Bone biopsy, pus from operative debridement - microscopy and culture. Blood culture; FBC; glucose.