A Comparative Analysis of Rare Sternalis Muscles: A Case Report

Authors

  • Adegbenro Omotuyi John Fakoya Department of Anatomy, University of Medicine and Health Sciences, Basseterre, St. Kitts and Nevis
  • Jessica Heymans Medical Student, University of Medicine and Health Sciences, Basseterre, St. Kitts and Nevis
  • Lennis N. Colón Rivera Medical Student, University of Medicine and Health Sciences, Basseterre, St. Kitts and Nevis
  • Brian Acevedo Fuentes Medical Student, University of Medicine and Health Sciences, Basseterre, St. Kitts and Nevis
  • Abayomi Gbolahan Afolabi Department of Anatomy, University of Medicine and Health Sciences, Basseterre, St. Kitts and Nevis
  • Thomas McCracken Department of Anatomy, University of Medicine and Health Sciences, Basseterre, St. Kitts and Nevis

DOI:

https://doi.org/10.3889/oamjms.2020.4564

Keywords:

sternalis, sternocleidomastoid, pectoralis

Abstract

The sternalis muscle is a rare variant in the anterior chest wall located anterior to the vertical muscle. It was found in two cadavers during routine cadaveric dissection of 20 bodies. This finding provided an opportunity to perform a comparative anatomical analysis between a unilateral sternalis muscle on a female versus a bilateral sternalis muscle on a male. Having a better understanding of the anatomical variants can be extremely useful, precisely to avoid misdiagnosing tumors and to assist in landmark identification during surgeries.

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References

Raikos A, Paraskevas G, Tzika M, Faustmann P, Triaridis S, Kordali P, et al. Sternalis muscle: An underestimated anterior chest wall anatomical variant. J Cardiothorac Surg. 2011;6(1):73. https://doi.org/10.1186/1749-8090-6-73 PMid:21575244

Sarıkçıoglu L. Three sternalis muscles associated with abnormal attachments of the pectoralis major muscle. Int J Exp Clin Anat 2008;2:67-71. https://doi.org/10.2399/ana.08.067

Chaudhary D, Gopal D, Rymbai D. Rectus sternalis muscle a rare variant. Int J Trend Sci Res Dev. 2019;3(2):299-301. https:// doi.org/10.31142/ijtsrd21348

Katara P. Unilateral rectus sternalis muscle: Rare but normal anatomical variant of anterior chest wall musculature. J Clin Diagn Res. 2013;7(12):2665-7. https://doi.org/10.7860/ jcdr/2013/7379.3726 PMid:24551605

Loukas M, Bowers M, Hullett J. Sternalis muscle: A mystery still. Folia Morphol. 2004;63(2):147-9. PMid:15232768

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Published

2020-08-22

How to Cite

1.
Fakoya AOJ, Heymans J, Rivera LNC, Fuentes BA, Afolabi AG, McCracken T. A Comparative Analysis of Rare Sternalis Muscles: A Case Report. Open Access Maced J Med Sci [Internet]. 2020 Aug. 22 [cited 2021 Jun. 25];8(A):552-4. Available from: https://oamjms.eu/index.php/mjms/article/view/4564

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