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January 1958

Direct Prelabyrinthine Petrotomy and Extended Tympanomastoidectomy: The First Operation of This Kind with Preservation of Labyrinthine Function

Author Affiliations

Prague, Czechoslovakia

AMA Arch Otolaryngol. 1958;67(1):52-55. doi:10.1001/archotol.1958.00730010056010

It has been commonly believed that the first extended tympanomastoidectomy with the preservation of the internal ear was performed by Ramadier in a case of acute petrositis, and in the world medical literature this operation has usually been connected with his name. He first reported it in an article entitled "Les Symptômes de foyers intrapétreux au cours des otites aiguës," in La Presse médical, Feb. 4, 1931.

This operation, however, has wider indications, and because of these, had been performed before. It may be employed for the removal of tumors, for traumatic lesions, for chronic prelabyrinthine petrositis with cholesteatoma formation, foreign bodies, etc. Its main purpose is to deal with the pathological lesion situated in the prelabyrinthine part of the pyramid and of the adjoining anatomical structures, at the same time preserving the function of the labyrinth. The possibility of achieving this purpose was mentioned as late as 1928 by

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