open access

Vol 79, No 3 (2020)
Original article
Submitted: 2019-09-02
Accepted: 2019-10-21
Published online: 2019-11-15
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Ossa Sesamoidea — prevalence of sesamoid bones in human hands

K. Dąbrowski1, H. Stankiewicz-Jóźwicka2, A. Kowalczyk1, M. Markuszewski3, B. Ciszek14
·
Pubmed: 31750538
·
Folia Morphol 2020;79(3):570-575.
Affiliations
  1. Department of Descriptive and Clinical Anatomy, Medical University of Warsaw, Warsaw, Poland
  2. Department of Piano, Harpsichord and Organ, The Fryderyk Chopin University of Music, Warsaw, Poland
  3. Department of Choir Conducting, Music Education, Church Music, Rhythmics and Dance, The Fryderyk Chopin University of Music, Warsaw, Poland
  4. Department of Neurosurgery in Bogdanowicz Children’s Hospital, Warsaw, Poland

open access

Vol 79, No 3 (2020)
ORIGINAL ARTICLES
Submitted: 2019-09-02
Accepted: 2019-10-21
Published online: 2019-11-15

Abstract

Background: This study describes the morphology of sesamoid bones in the human hand. Ultrasound imaging was used to record the presence and measurements of sesamoids in 120 hands of 60 healthy, young adults of Caucasian ethnicity.

Materials and methods: The mean number of sesamoid bones was 4.16 in the left hand and 4.03 in the right hand. 21.6% of cases showed asymmetry between the right hand and the left. There was a significant difference in the prevalence of sesamoid bones between right and left hand in males in this study. Females show a higher incidence of sesamoid bones overall, but do not demonstrate a significant difference between the sides.

Results: Prevalence findings: Two in the 1st metacarpophalangeal joint (MCPJ) in 99.2% of cases, with 1 case of a single bone. One in the 2nd MCPJ in 43.3% of cases. One in the 5th MCPJ in 84.2% of cases. One in the 1st interphalangeal joint (IPJ) in 83.4% of cases. Aside from that there was 1 case of sesamoid in the 3rd MCPJ and separate case of sesamoid in the 3rd proximal IPJ.

Conclusions: Moreover, this study discusses discrepancies of opinion regarding sesamoid bones in morphological research.

Abstract

Background: This study describes the morphology of sesamoid bones in the human hand. Ultrasound imaging was used to record the presence and measurements of sesamoids in 120 hands of 60 healthy, young adults of Caucasian ethnicity.

Materials and methods: The mean number of sesamoid bones was 4.16 in the left hand and 4.03 in the right hand. 21.6% of cases showed asymmetry between the right hand and the left. There was a significant difference in the prevalence of sesamoid bones between right and left hand in males in this study. Females show a higher incidence of sesamoid bones overall, but do not demonstrate a significant difference between the sides.

Results: Prevalence findings: Two in the 1st metacarpophalangeal joint (MCPJ) in 99.2% of cases, with 1 case of a single bone. One in the 2nd MCPJ in 43.3% of cases. One in the 5th MCPJ in 84.2% of cases. One in the 1st interphalangeal joint (IPJ) in 83.4% of cases. Aside from that there was 1 case of sesamoid in the 3rd MCPJ and separate case of sesamoid in the 3rd proximal IPJ.

Conclusions: Moreover, this study discusses discrepancies of opinion regarding sesamoid bones in morphological research.

Get Citation

Keywords

sesamoids; palm; morphology; ultrasound; pattern

About this article
Title

Ossa Sesamoidea — prevalence of sesamoid bones in human hands

Journal

Folia Morphologica

Issue

Vol 79, No 3 (2020)

Article type

Original article

Pages

570-575

Published online

2019-11-15

Page views

1216

Article views/downloads

1191

DOI

10.5603/FM.a2019.0123

Pubmed

31750538

Bibliographic record

Folia Morphol 2020;79(3):570-575.

Keywords

sesamoids
palm
morphology
ultrasound
pattern

Authors

K. Dąbrowski
H. Stankiewicz-Jóźwicka
A. Kowalczyk
M. Markuszewski
B. Ciszek

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