Prague Med. Rep. 2025, 126, 246-250
https://doi.org/10.14712/23362936.2025.39
Bilateral Accessory Clavicular Heads of Sternocleidomastoid Stenosing Supraclavicular Fossa in Human: Case Report
References
1. , J. J., McCumber, T. L., Snow, E. L. (2022) Cadaveric case report and biomechanical analysis of an accessory clavicular head to the sternocleidomastoid. Transl. Res. Anat. 28, 100215.
2. , K. H., Morimoto, I., Yamamoto, M., Hanada, S., Murakami, G., Rodríguez-Vázquez, J. F., Abe, S. (2020) Fetal development of the human trapezius and sternocleidomastoid muscles. Anat. Cell Biol. 53(4), 405–410.
<https://doi.org/10.5115/acb.20.202>
3. , G., Iwanaga, J., Altafulla, J. J., Lachkar, S., Oskouian, R. J., Tubbs, R. S. (2018) Bilateral sternocleidomastoid variant with six distinct insertions along the superior nuchal line. Anat. Cell Biol. 51(4), 305–308.
<https://doi.org/10.5115/acb.2018.51.4.305>
4. , D. G., Thute, P. P., Keche, H. A., Chimurkar, V. K. (2020) Variant sternocleidomastoid with extra clavicular head – A case report. J. Evol. Med. Dent. Sci. 9(43), 3258–3260.
<https://doi.org/10.14260/jemds/2020/715>
5. , Y. R., Kim, J. W., Lee, J. H. (2020) Variation of the sternocleidomastoid muscle: A case report of three heads and an accessory head. Surg. Radiol. Anat. 42(6), 711–713.
<https://doi.org/10.1007/s00276-019-02388-4>
6. , S. Y., Jang, H. B., Kim, J., Yoon, S. P. (2015) Bilateral four heads of the sternocleidomastoid muscle. Surg. Radiol. Anat. 37(7), 871–873.
<https://doi.org/10.1007/s00276-014-1397-0>
7. , S. N., Rathore, F. A. (2018) Accessory clavicular sternocleidomastoid causing torticollis in an adult. Prog. Rehabil. Med. 3, 20180006.
8. , V., Arora, J., Kumar, A., Nayar, A. K., Ioh, H. K., Gupta, V., Suri, R. K., Rath, G. (2012) Bipartite clavicular attachment of the sternocleidomastoid muscle: A case report. Anat. Cell Biol. 45(1), 66–69.
<https://doi.org/10.5115/acb.2012.45.1.66>
9. , K., Asouchidou, I., Vasileiou, M., Papathanasiou, E., Noussios, G., Paraskevas, G. (2009) A rare case of bilateral supernumerary heads of sternocleidomastoid muscle and its clinical impact. Folia Morphol. (Warsz.) 68(1), 52–54.
10. , S. B., Surendran, S., Reghunathan, D., Nelluri, M. V. M. (2016) Sternocleiodomastoid muscle with five fleshy bellies and thirteen heads of origin. Online J. Health Allied Sci. 15(3), 4–6.
11. , S. R., Krishnamurthy, A., Sj, M. K., Pai, M. M., Prabhu, L. V., Jetti, R. (2006) A rare case of bilateral sternocleidomastoid muscle variation. Morphologie 90(291), 203–204.
<https://doi.org/10.1016/S1286-0115(06)74507-6>
12. , J. S., Kim, C. E., Kim, J., Yoon, S. P. (2019) Bilateral supernumerary clavicular heads of sternocleidomastoid muscle in a Korean female cadaver. Surg. Radiol. Anat. 41(1), 699–702.
<https://doi.org/10.1007/s00276-019-02227-6>
13. , A., Paraskevas, G. K., Triaridis, S., Kordali, P., Psillas, G., Brand-Saberi, B. (2012) Bilateral supernumerary sternocleidomastoid heads with critical narrowing of the minor and major supraclavicular fossae: Clinical and surgical implications. Int. J. Morphol. 30(3), 927–933.
<https://doi.org/10.4067/S0717-95022012000300027>
14. , A., Mandal, S., Chakraborty, S., Bandyopadhyay, M. (2014) Morphological study of the attachment of the sternocleidomastoid muscle. Singapore Med. J. 55(1), 45–47.
15. , S., Morgan, S., Ruecker, L., Schulze-Tanzil, G. (2022) A unilateral sternopharyngeal branch of the sternocleidomastoid muscle in an aged Caucasian male: A unique cadaveric report. Folia Morphol. (Warsz.) 82(2), 434–438.
<https://doi.org/10.5603/FM.a2022.0016>
16. , S. R., Bhat, K. M. R., Pamidi, N., Somayaji, S. N. (2012) Unusual third head of the sternocleidomastoid muscle from the investing layer of cervical fascia. Int. J. Morphol. 30(3), 783–785.
<https://doi.org/10.4067/S0717-95022012000300001>
17. Standring, S. (2016) Gray’s Anatomy E-Book. Elsevier Health Sciences.
18. Tubbs, R. S., Shoja, M. M., Loukas, M. (2016) Bergman’s Comprehensive Encyclopedia of Human Anatomic Variation. John Wiley and Sons, New York.



