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A fully capable pianist with a congenital bilateral agenesis of extensor pollicis brevis muscle
Affiliations- Department of Descriptive and Clinical Anatomy, Centre for Biostructure Research, Medical University of Warsaw, Poland
- First Department of Clinical Radiology, Medical University of Warsaw, Poland
- Department of Instrumental Studies, The Fryderyk Chopin University of Music, Warsaw, Poland
- Department of Neurosurgery in Bogdanowicz Children’s Hospital, Warsaw, Poland
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Abstract
A 28-year-old male musical student has been presented with visible inability of
active abduction and extension of the thumbs in both hands beyond the neutral
position. The student has not been previously diagnosed and claimed no history of
trauma or surgical procedures in the area of hands and no family history of such
disabilities. The student remained capable of playing on keyboard instruments on
high level due to compensation by hyperextension of the interphalangeal joint of
both thumbs and showed no increased frequency of the injuries or playing-related
disorders. The ultrasound and magnetic resonance imaging showed complete
bilateral agenesis of extensor pollicis brevis muscles and was classified as isolated
congenital clasped thumb syndrome. Due to the age of the student and the
agenesis of the muscles the conservative treatment was deemed inadequate and
due to high functionality of the student as a musician and unforeseeable results it
might have on a musician’s career, surgical treatment has been disadvised.
Abstract
A 28-year-old male musical student has been presented with visible inability of
active abduction and extension of the thumbs in both hands beyond the neutral
position. The student has not been previously diagnosed and claimed no history of
trauma or surgical procedures in the area of hands and no family history of such
disabilities. The student remained capable of playing on keyboard instruments on
high level due to compensation by hyperextension of the interphalangeal joint of
both thumbs and showed no increased frequency of the injuries or playing-related
disorders. The ultrasound and magnetic resonance imaging showed complete
bilateral agenesis of extensor pollicis brevis muscles and was classified as isolated
congenital clasped thumb syndrome. Due to the age of the student and the
agenesis of the muscles the conservative treatment was deemed inadequate and
due to high functionality of the student as a musician and unforeseeable results it
might have on a musician’s career, surgical treatment has been disadvised.
Keywords
extensor pollicis brevis, hand, musician, agenesis, clasped thumb
About this articleTitle
A fully capable pianist with a congenital bilateral agenesis of extensor pollicis brevis muscle
Journal
Issue
Article type
Case report
Pages
963-968
Published online
2022-12-22
Page views
706
Article views/downloads
472
DOI
Pubmed
Bibliographic record
Folia Morphol 2023;82(4):963-968.
Keywords
extensor pollicis brevis
hand
musician
agenesis
clasped thumb
Authors
K. P. Dąbrowski
P. Palczewski
H. Stankiewicz-Jóźwicka
A. Kowalczyk
J. Wróblewski
B. Ciszek
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