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Aberrant intratympanic internal carotid artery: a Potentially hazardous anomaly

Published online by Cambridge University Press:  29 June 2007

M. Jacobsson ,
Å. Davidsson ,
S. Hugosson ,
A. Tjellström  and
P. Svendsen
M. Jacobsson*
Affiliation:
Department of Otolaryngology, Sahlgren's Hospital, University of Gothenburg
Å. Davidsson
Affiliation:
Department of Otolaryngology, Regional Hospital, Örebro
S. Hugosson
Affiliation:
Department of Otolaryngology, Regional Hospital, Örebro
A. Tjellström
Affiliation:
Department of Otolaryngology, Sahlgren's Hospital, University of Gothenburg
P. Svendsen
Affiliation:
Department of Diagnostic Radiology, Sahlgren's Hospital, University of Gothenburg, Sweden
*
Magnus Jacobsson M.D., Associate Professor, Department of Otolaryngology, Sahlgren's Hospital, S-413 45 Gothenburg, Sweden
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Abstract

A case is presented of a 3-year-old girl with no previous history of ear disease or developmental defects who bled profusely upon (right) myringotomy. The haemorrhage could only be stopped with the aid of an ear insert and a nasopharyngeal balloon catheter. The balloon catheter was removed the following day but the girl had to use an ear insert for a total of 76 days following myringotomy because of repeated haemorrhage from the ear. The subsequent investigation using CT and angiography revealed an aberrant internal carotid artery in the middle ear.

It is concluded that the one most important factor in the handling of these cases is to be aware of the existence of aberrant internal carotid arteries and to have a high degree of suspicion when encountering any abnormal clinical or radiological findings which might point in the direction of vascular abnormalities. The failure to detect this condition before any surgical intervention on the affected ear can have disastrous consequences.

The method of choice in handling these cases is one of avoidance of middle ear manipulation in order not to cause haemorrhage from the aberrant artery.

Type
Clinical Records
Information
The Journal of Laryngology & Otology , Volume 103 , Issue 12 , December 1989 , pp. 1202 - 1205
Copyright
Copyright © JLO (1984) Limited 1989

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