MUSCULUS SUBCLAVİUS POSTICUS OLGUSU Musculus Subclavius Posticus Case

Öz

ÖZET

Musculus subclavius posticus; arteria subclavia, vena subclavia ve plexus brachialis gibi önemli yapılara komşuluk

eden, birinci kıkırdak kaburga ve scapula arasında yer alan aksesuar bir kastır. Anabilim dalımız anatomi

laboratuvarında 60 yaşındaki erkek kadavrada boynun sol tarafında varyasyona rastlanmıştır. Musculus subclavius

posticus varlığının çevre yapılara etkisi klinik açıdan önemlidir. Torasik Outlet Sendromu olarak adlandırılan

bu durum üst ekstremite beslenmesinden sorumlu damarların ve innevasyonundan sorumlu plexus

brachialis'in dallarının sıkışmasına sebep olabilir. Literatüre göre nadir gözlenen bu varyasyonun yerleşiminin

bilinmesi, radyolojik ve cerrahi prosedürler için önem arz etmektedir.

Anahtar kelimeler: Musculus subclavus posticus; Torasik outlet sendromu; Musculus subclavius;

Plexus brachialis

ABSTRACT

Musculus subclavius is an accessory muscle located between the first cartilage rib and the scapula, adjacent

to important structures such as arteria subclavia, vena subclavia and plexus brachialis. In the laboratory of

anatomy department, a variation was found on the left side of the 60 years old male cadaver. The existence

of the musculus subclavius posticus is clinically important for the adjacent structures. This may cause thoracic

outlet syndrome, compression of the vessels responsiple for the blood supply and branches of the plexus

brachialis responsible for the innervation of the upper extremity. The knowledge of the location of this rarely

observed variation according to the literature is important for radiological and surgical procedures.

Keywords: Subclavius posticus muscle; Thoracic outlet syndrome; Subclavius muscle; Plexus brachialis

Anahtar Kelimeler

• MUSCULUS SUBCLAVİUS POSTICUS OLGUSU Musculus Subclavius Posticus Case

Kaynakça

1. 1. Tubbs RS, Shoja MM, Loukas M. Bergman's comprehensive encyclopedia of human anatomic variation. New Jersey: John Wiley & Sons; 2016. 348 p. 2. Akita K, Ibukuro K, Yamaguchi K, Heima S, Sato T. The subclavius posticus muscle: a factor in arterial, venous or brachial plexus compression? Surg Radiol Anat. 2000;22(2):111-5. 3. Ciampi P, Agnoletto M, Scotti C, Ballis R, Gerevini S, Peretti GM, et al. Thoracic Outlet Syndrome in the Overhead Athlete: A Report of 2 Cases of Subclavius Posticus Muscle. Clin J Sport Med. 2017;27(3):e29-e31. 4. Smayra T, Nabhane L, Tabet G, Menassa-Moussa L, Hachem K, Haddad-Zebouni S. The subclavius posticus muscle: an unusual cause of thoracic outlet syndrome. Surg Radiol Anat. 2014;36(7):725-8. 5. Cogar AC, Johnsen PH, Potter HG, Wolfe SW. Subclavius posticus: an anomalous muscle in association with suprascapular nerve compression in an athlete. Hand (New York, NY). 2015;10(1):76-9. 6. Kolpattil S, Harland R, Temperley D. Case report: a case of subclavius posticus muscle mimicking a mass on mammogram. Clin Radiol. 2009;64(7):738-40. 7. Kutoglu T, Ulucam E, Gurbuz H. A case of the subclavius posticus muscle. Trakia J Sci. 2005;3(1):77-8. 8. Martin RM, Vyas NM, Sedlmayr JC, Wisco JJ. Bilateral variation of subclavius muscle resembling subclavius posticus. Surg Radiol Anat. 2008;30(2):171-4. 9. Muellner J, Kaelin-Lang A, Pfeiffer O, El-Koussy MM. Neurogenic thoracic outlet syndrome due to subclavius posticus muscle with dynamic brachial plexus compression: a case report. BMC Res Notes. 2015;8:351. 10. Sarikcioglu L, Sindel M. A case with subclavius posticus muscle. Folia Morphol (Warsz). 2001;60(3):229-31.