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Klin Padiatr 2015; 227(04): 243-246
DOI: 10.1055/s-0034-1395553
Case Report
© Georg Thieme Verlag KG Stuttgart · New York

Chondroepitrochlearis Muscle – A Phylogenetic Remnant with Clinical Importance

Der Chondroepitrochlearis-Muskel – ein phylogenetisches Überbleibsel mit klinischer Bedeutung
R.-B. Tröbs
1   Department of Pediatric Surgery, Marienhospital Herne, Ruhr-University of Bochum, Herne, Germany
,
B. Gharavi
2   Department of Pediatric and Adolescent Medicine, Marienhospital Witten, Witten, Germany
,
M. Neid
3   Department of Pathology, BG-Kliniken Bergmannsheil, Bochum, Germany
,
G. Cernaianu
4   Department of Pediatric Surgery, University of Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
› Author Affiliations
Further Information

Publication History

Publication Date:
01 December 2014 (online)

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Abstract

We report on an infant, presenting with a cord-like accessory muscle crossing the anterior axillary fold. The accessory structure appeared as an axillary web and caused tethering of the humerus together with an abnormal shape of the shoulder. The chondroepitrochlearis muscle is thought to be of phylogenetic origin. In our patient the tendinous sling was resected at the age of 7 month with normalization of function and cosmetics.

Zusammenfassung

Wir berichten über einen Säugling, bei dem ein die vordere Achsel kreuzender Stang auffällig wurde. Dieser entpuppte sich als Sehne eines M. chondroepitrochlearis. Dabei handelt es sich um ein entwicklungsgeschichtliches Residuum. Klinisch zeigte sich eine axilläre Flügelbildung und es resultierten eine Bewegungseinschränkung des Humerus im Schultergelenk sowie eine auffallende Schulterkontur. Der ganz sehnige Muskelrest wurde chirurgisch entfernt, was zur Entfesselung der Schulter führte.

Key words

chondrepitrochlearis muscle - axillary web - pectoralis muscle - axillary web - Langer’s arch

Schlüsselwörter

Musculus chondroepitrochlearis - axilläre Flügelbildung - Musculus pectoralis - axillärer Flügelmuskel - Langer-Muskel
 

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