Abstract
Electromiography of Superior Members in the Purpose of a Case of Poland Syndrome. Poland Syndrome Agenesia of Both Pectorals: With Patient Permission
Highlights
Poland’s syndrome is a rare malformation, prevalent in men, it is estimated that the incidence is 1 / 30,000 live births, which associates degrees of thoracic anomalies, and alteration of homolateral MMSS, the case that concerns us is bilateral, There is an important agenesis of the bilateral pectoral muscles
It is characterized by hypoplasia or aplasia, dysplasia, at the level of various muscle groups, for example the pectoralis major and minor, and other muscles of the scapular region
The syndrome of Poland has no hereditary basis. It develops as a result of an intrauterine developmental abnormality, in the sixth week of gestation, due to insufficiency, hypoplasia of the subclavian arteris that hinders the correct embryogenesis of the pectoral muscualtura and osteotendinous structures, producing musculoskeletal malformations
Summary
Poland’s syndrome is a rare malformation, prevalent in men, it is estimated that the incidence is 1 / 30,000 live births, which associates degrees of thoracic anomalies, and alteration of homolateral MMSS, the case that concerns us is bilateral, There is an important agenesis of the bilateral pectoral muscles. In the qualitative study of motor units, signs of chronic denervation (units of increased size) have been detected in muscles innervated by different nerves but sharing C5 dcho root territory.
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