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Article
August 1960

Congenital Dehiscence of the Fallopian Canal in Middle Ear Surgery

Author Affiliations

Chicago
Resident in Otolaryngology, Chicago Wesley Memorial Hospital and Northwestern University Medical School.

Arch Otolaryngol. 1960;72(2):197-200. doi:10.1001/archotol.1960.00740010202009
Abstract

Reconstructive microsurgery of the middle ear imbues each of the structures of the crowded medial wall of the tympanum with great importance for the otologic surgeon. The rapidly advancing and bolder surgical techniques utilized in chronic middle ear disease, otosclerosis, and congenital middle ear lesions demand awareness of the frequent variations found in the surgical field. The auditory ossicles,1 particularly the stapes,7 have been studied with great care, and the physiologic importance of the middle ear structures has been clarified.2 Caution on bold approaches to the round and oval windows has been advocated by Lawrence.3 That the internal auditory meatus, utricle, and saccule are respectively 2.0, 0.5, and 1.0 mm. from the anterior part of the fenestra ovalis7 has been demonstrated by Anson and Bast, but there has been only infrequent mention made of the potential danger to the facial nerve in peristapedial manipulations.

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