[A rare case of the high jugular bulb associated with only hearing ear].

The jugular bulb may be present in different positions and dimensions within the temporal bone. In general, high jugular bulbs were classified into 2 types: lateral in which the jugular bulb protrudes into the middle ear and up into the tympanic cavity and medial in which the jugular bulb is abnormally placed more superiorly and medial to the cochlea. We report, a unique case of a high jugular bulb which came round from behind of the internal auditory canal and the cochlea protruding into the posterosuperior part of the mesotympanum. It was a very rare pattern of a high jugular bulb which varies in position. The occurrence of adhesive otitis media caused the high jugular bulb to bleed easily in the only hearing ear. There would be risks of making the patient suffer severe bilateral healing impairment due to only one hearing ear and excessive hemorrhage in surgical treatment. With only one hearing ear, we should therefore select transcatheter interventional angiography when the quantity and frequency of bleeding from the jugular bulb increase so.