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Article
October 1957

Congenital Microtia and Meatal Atresia: Observations and Aspects of Treatment

AMA Arch Otolaryngol. 1957;66(4):443-463. doi:10.1001/archotol.1957.03830280073008
Abstract

Material, Sex, Side Affected  The material consists of microtias and meatal atresias found in patients admitted to the University Oto-Laryngological Hospital at Helsinki from the beginning of the year 1951 to the end of February, 1957. The total number of patients observed and treated was 74, males numbering 50 and females 24.The observations were made and the cases evaluated on the basis of degree of microtia. In determining this degree I have followed the gradation of Marx, which is the most widely accepted one, also used by Altmann, a well-known investigator in this field.We thus divide our subjects into three main groups: Grade I, Grade II, and Grade III. The first group, Grade I, included all subjects with distinctly malformed auricles, with smaller size than a normal outer ear, showing. however, most of the characteristic features of the auricle. To this group were added a few patients with

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