Chronic abscess of the apical portion of the petrosa of the temporal bone, because of its rarity,1 may not be considered in seeking the cause of profuse purulent discharge from an ear that has been operated on and later skin-grafted and yet continues to produce the same symptoms and signs for which operation was originally advised. In other instances, this lesion has suggested itself because of recurring bouts of vague discomfort in one side of the head at irregular intervals, sometimes associated with palsy of the abducens nerve, when no discharge from the ear was evident. At still other times, an excessive discharge from a perforation in the membrana tensa or even in the attic may have been the only symptom presented.
A lesion such as this would seem to hold very dangerous potentialities, as it is in marrow-containing bone in close relationship to dura and dural sinuses. It
PULEC JL, WILLIAMS HL. Chronic Abscess of the Petrous Apex: Report of a Case. Arch Otolaryngol. 1962;75(5):419–421. doi:10.1001/archotol.1962.00740040430007
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