Biomedical subjects
J D Swartz
Publications and source records attributed to J D Swartz.
Hearing, II: the retrocochlear auditory pathway.
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Fenestration of the internal carotid artery: a rare mass of the hypotympanum associated with persistence of the stapedial artery.
A 61-year-old woman was examined because of unilateral nonpulsatile tinnitus involving the right ear. CT scanning showed a soft-tissue mass in the hypotypanum. Angiographically, the mass was identified as a fenestrated or duplicated internal carotid artery associated with persistence of the stapedial artery. Embryologic considerations are discussed.
CT of the temporal bone: findings after mastoidectomy, ossicular reconstruction, and cochlear implantation.
Because of its superior visualization of bone detail, compared with that of MR imaging, CT commonly is used in patients who have had otomastoid or other forms of temporal bone surgery. The already complex anatomy of the temporal bone is distorted by the combination of surgical procedures and preexisting abnormalities, making proper identification of the postoperative imaging studies difficult. The purpose of this essay is to familiarize radiologists with the more common neurootologic surgical procedures and the expected postoperative findings in patients who have had this type of surgery. Special emphasis is placed on the indications for the procedure and the distinguishing features associated with each procedure.
Annotated bibliography.
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Annotated bibliography.
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