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Vol 78, No 3 (2019)
Original article
Submitted: 2018-12-09
Accepted: 2018-12-23
Published online: 2019-01-18
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Accessory muscles of the anterior thoracic wall and axilla. Cadaveric, surgical and radiological incidence and clinical significance during breast and axillary surgery

S. Douvetzemis1, K. Natsis2, M. Piagkou1, M. Kostares1, T. Demesticha1, T. Troupis1
·
Pubmed: 30664230
·
Folia Morphol 2019;78(3):606-616.
Affiliations
  1. Department of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, Greece
  2. Department of Anatomy and Surgical Anatomy, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece

open access

Vol 78, No 3 (2019)
ORIGINAL ARTICLES
Submitted: 2018-12-09
Accepted: 2018-12-23
Published online: 2019-01-18

Abstract

Background: The present study aims to summarise the accessory muscles of the anterior thoracic wall and axilla that can be encountered during breast and axillary surgery and record their incidence and clinical significance. Moreover, the laterality of the atypical muscles is highlighted and possible gender dimorphism is referred. Accessory anterior thoracic wall muscles include: Langer’s axillary arch, sternalis muscle, chondrocoracoideus, chondroepitrochlearis, chondrofascialis, pectoralis minimus, pectoralis quartus and pectoralis intermedius.

Materials and methods: The anatomical, surgical and radiological literaturę has been reviewed and an anatomical study on 48 Greek adult cadavers was performed.

Results: Literature review revealed the existence of accessory muscles of the anterior thoracic wall and axilla that have a significant incidence that can be considered high and may, therefore, have clinical significance. For the most common of these muscles, which are axillary arch (Langer’s) and sternalis muscle, the cadaveric incidence is 10.30% and 7.67%, respectively. In the current cadaveric study, accessory thoracic wall muscles were identified in two cadavers; namely a bilateral sternalis muscle (incidence 2.08%) extending both to the anterior and posterior surface of the sternum and a left-sided chondrocoracoideus muscle (of Wood) (incidence 2.08%).

Conclusions: Despite the fact that accessory anterior thoracic wall and axillary muscles are considered to be rare, it is evident that the incidence of at least some of them is high enough to encounter them in clinical practice. Thus, clinicians’ awareness of these anatomical structures is advisable.

Abstract

Background: The present study aims to summarise the accessory muscles of the anterior thoracic wall and axilla that can be encountered during breast and axillary surgery and record their incidence and clinical significance. Moreover, the laterality of the atypical muscles is highlighted and possible gender dimorphism is referred. Accessory anterior thoracic wall muscles include: Langer’s axillary arch, sternalis muscle, chondrocoracoideus, chondroepitrochlearis, chondrofascialis, pectoralis minimus, pectoralis quartus and pectoralis intermedius.

Materials and methods: The anatomical, surgical and radiological literaturę has been reviewed and an anatomical study on 48 Greek adult cadavers was performed.

Results: Literature review revealed the existence of accessory muscles of the anterior thoracic wall and axilla that have a significant incidence that can be considered high and may, therefore, have clinical significance. For the most common of these muscles, which are axillary arch (Langer’s) and sternalis muscle, the cadaveric incidence is 10.30% and 7.67%, respectively. In the current cadaveric study, accessory thoracic wall muscles were identified in two cadavers; namely a bilateral sternalis muscle (incidence 2.08%) extending both to the anterior and posterior surface of the sternum and a left-sided chondrocoracoideus muscle (of Wood) (incidence 2.08%).

Conclusions: Despite the fact that accessory anterior thoracic wall and axillary muscles are considered to be rare, it is evident that the incidence of at least some of them is high enough to encounter them in clinical practice. Thus, clinicians’ awareness of these anatomical structures is advisable.

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Keywords

accessory muscle; sternalis; axillary arch; chondrocoracoideus; chondroepitrochlearis; chondrofascialis; pectoralis minimus; pectoralis quartus; pectoralis intermedius; variation

About this article
Title

Accessory muscles of the anterior thoracic wall and axilla. Cadaveric, surgical and radiological incidence and clinical significance during breast and axillary surgery

Journal

Folia Morphologica

Issue

Vol 78, No 3 (2019)

Article type

Original article

Pages

606-616

Published online

2019-01-18

Page views

2023

Article views/downloads

1771

DOI

10.5603/FM.a2019.0005

Pubmed

30664230

Bibliographic record

Folia Morphol 2019;78(3):606-616.

Keywords

accessory muscle
sternalis
axillary arch
chondrocoracoideus
chondroepitrochlearis
chondrofascialis
pectoralis minimus
pectoralis quartus
pectoralis intermedius
variation

Authors

S. Douvetzemis
K. Natsis
M. Piagkou
M. Kostares
T. Demesticha
T. Troupis

References (90)
  1. Adachi B. Beitrage zur anatomie der Japaner. Z Morphol Anthropol. 1909; 12: 261–312.
  2. Al Maksoud AM, Barsoum AK, Moneer MM. Langer's arch: a rare anomaly affects axillary lymphadenectomy. J Surg Case Rep. 2015; 2015(12).
  3. Ando J, Kitamura T, Kuroki Y, et al. Preoperative diagnosis of the axillary arch with multidetector row computed tomography and the axillary arch in association with anatomical problems of sentinel lymph node biopsy. Breast Cancer. 2010; 17(1): 3–8.
  4. Arican RY, Coskun N, Sarikcioglu L, et al. Co-existence of the pectoralis quartus and pectoralis intermedius muscles. Morphologie. 2006; 90(290): 157–159.
  5. Barcia JM, Genovés JM. Chondrofascialis versus pectoralis quartus. Clin Anat. 2009; 22(8): 871–872.
  6. Barlow R. The sternalis muscle in American whites and negroes. Anat Rec. 1935; 61(4): 413–426.
  7. Bergman RA, Thompson SA, Afifi AK. Compen- dium of human anatomic variations. Urban and Schwarzenberg, Baltimore, Munich 1988.
  8. Bergman RA. Doubled pectoralis quartus, axillary arch, chondroepitrochlearis, and the twist of the tendon of pectoralis major. Anat Anz. 1991; 173(1): 23–26.
  9. Bergman RA. Anatomy atlases: illustrated encyclopedia of human anatomic variation. 2014. http://www.anatomyatlases.org/ (accessed 16 October 2015).
  10. Bertone VH, Ottone NE, Lo Tartaro M, et al. The morphology and clinical importance of the axillary arch. Folia Morphol. 2008; 67(4): 261–266.
  11. Besana-Ciani I, Greenall MJ. Langer’s axillary arch: anatomy, embryological features and surgical implications. Surgeon. 2005; 3(5): 325–327.
  12. Bharambe V, Arole V. The axillary arch muscle (Langer′s muscle): Clinical importance. Med J DY Patil Univ. 2013; 6(3): 27–30.
  13. Birmingham A. Homology and innervation of the achselbogen and pectoralis quartus, and the nature of the lateral cutaneous nerve of the thorax. J Anat Physiol. 1889; 23(Pt 2): 206–223.
  14. Bonastre V, Rodríguez-Niedenführ M, Choi D, et al. Coexistence of a pectoralis quartus muscle and an unusual axillary arch: case report and review. Clin Anat. 2002; 15(5): 366–370.
  15. Bradley FM, Hoover HC, Hulka CA, et al. The sternalis muscle: an unusual normal finding seen on mammography. AJR Am J Roentgenol. 1996; 166(1): 33–36.
  16. Bryce TH. Note on a Group of Varieties of the Pectoral Sheet of Muscle. J Anat Physiol. 1899; 34(Pt 1): 75–78.
  17. Chaijaroonkhanarak W, Amarttayakong P, Pannangrong W, et al. Incidence of the sternalis muscle in Northeastern Thais Srinagarind. Med J. 2013; 28: 62–65.
  18. Chêne G, Bouëdec GLe, Dauplat J. L'arche et la sentinelle: techniques chirurgicales de la lymphadénectomie axillaire sentinelle en présence du muscle pectoro-axillaire. Gynecol Obstet Fertil. 2007; 35(1): 25–29.
  19. Chiba S, Suzuki T, Kasai T. A rare anomaly of the pectoralis major--the chondroepitrochlearis. Okajimas Folia Anat Jpn. 1983; 60(2-3): 175–185.
  20. Clark E. Congenital Variation of the Pectoral Muscles, with Report of a Case. J Anat Physiol. 1915; 49(Pt 2): 155–164.
  21. Clarys JP, Barbaix E, Van Rompaey H, et al. The muscular arch of the axilla revisited: its possible role in the thoracic outlet and shoulder instability syndromes. Man Ther. 1996; 1(3): 133–139.
  22. Cunningham DJ. The musculus sternalis. J Anat Physiol. 1884; 18(Pt 2): 208–210.
  23. Daniels IR, della Rovere GQ. The axillary arch of Langer--the most common muscular variation in the axilla. Breast Cancer Res Treat. 2000; 59(1): 77–80.
  24. Del Sol M, Vásquez B. Anatomical and clinical considerations of the pectoralis tertius muscle in man. Int J Morphol. 2009; 27(3).
  25. Demirpolat G, Oktay A, Bilgen I, et al. Mammographic features of the sternalis muscle. Diagn Interv Radiol. 2010; 16(4): 276–278.
  26. Di Gennaro GL, Soncini G, Andrisano A, et al. The chondroepitrochlearis muscle: case report. Chir Organi Mov. 1998; 83(4): 419–423.
  27. Ebenezer DA, Rathinam BAD. Rare multiple variations in brachial plexus and related structures in the left upper limb of a Dravidian male cadaver. Anat Cell Biol. 2013; 46(2): 163–166.
  28. Fabrizio PA, Hardy MA. An accessory muscle of the thoracic wall. Int J Anat Var. 2009; 2: 93–95.
  29. Flaherty G, O'Neill MN, Folan-Curran J. Case report: bilateral occurrence of a chondroepitrochlearis muscle. J Anat. 1999; 194 ( Pt 2): 313–315.
  30. Ge Z, Tong Y, Zhu S, et al. Prevalence and variance of the sternalis muscle: a study in the Chinese population using multi-detector CT. Surg Radiol Anat. 2014; 36(3): 219–224.
  31. Georgiev GP, Jelev L, Surchev L. Axillary arch in Bulgarian population: clinical significance of the arches. Clin Anat. 2007; 20(3): 286–291.
  32. Haninec P, Tomás R, Kaiser R, et al. Development and clinical significance of the musculus dorsoepitrochlearis in men. Clin Anat. 2009; 22(4): 481–488.
  33. Harish K, Gopinath KS. Sternalis muscle: importance in surgery of the breast. Surg Radiol Anat. 2003; 25(3-4): 311–314.
  34. Huntington GS. The derivation and significance of certain supernumerary muscles of the pectoral region. J Anat Physiol. 1904; 39(Pt 1): 1–54.
  35. Ishii N, Shimizu Y, Ando J, et al. Complete coverage of a tissue expander by a musculofascial pocket including the sternalis muscle during breast reconstruction. Arch Plast Surg. 2018; 45(1): 89–90.
  36. Jaijesh P. Unilateral appearance of a chondro-epitrochlearis muscle-a case report. Indian J Plast Surg. 2005; 38(2): 164.
  37. Jelev L, Georgiev G, Surchev L. The sternalis muscle in the Bulgarian population: classification of sternales. J Anat. 2001; 199(Pt 3): 359–363.
  38. Jelev L, Georgiev GP, Surchev L. Axillary arch in human: common morphology and variety. Definition of "clinical" axillary arch and its classification. Ann Anat. 2007; 189(5): 473–481.
  39. Jeng H, Su SJ. The sternalis muscle: an uncommon anatomical variant among Taiwanese. J Anat. 1998; 193 ( Pt 2): 287–288.
  40. Kalaycioglu A, Gümüsalan Y, Ozan H. Anomalous insertional slip of latissimus dorsi muscle: arcus axillaris. Surg Radiol Anat. 1998; 20(1): 73–75.
  41. Kanaka S, Pulipati A, Gaikwad M. Axillary arch and its relations — a rare case report. Int J Biol Med Res. 2012; 3: 2277–2779.
  42. Karanlik H, Fathalizadeh A, Ilhan B, et al. Axillary arch may affect axillary lymphadenectomy. Breast Care. 2013; 8(6): 424–427.
  43. Kasai T, Chiba S. [True nature of the muscular arch of the axilla and its nerve supply (author's transl)]. Kaibogaku Zasshi. 1977; 52(5): 309–336.
  44. Katara P, Chauhan S, Arora R, et al. A unilateral rectus sternalis muscle: rare but normal anatomical variant of anterior chest wall musculature. J Clin Diagn Res. 2013; 7(12): 2665–2667.
  45. Kataria K, Srivastava A, Mandal A. Axillary arch muscle: a case report. Eur J Anat. 2013; 17: 259–261.
  46. Khan UD. Use of the rectus sternalis in augmentation mammoplasty: case report and literature search. Aesthetic Plast Surg. 2008; 32(1): 21–24.
  47. Khan A, Chakravorty A, Gui GPH. In vivo study of the surgical anatomy of the axilla. Br J Surg. 2012; 99(6): 871–877.
  48. Knott JF. Muscular anomalies. J Anat Physiol. 1880; 15(Pt 1): 139–140.
  49. Kutiyanawala MA, Stotter A, Windle R. Anatomical variants during axillary dissection. Br J Surg. 1998; 85(3): 393–394.
  50. Lama P, Potu BK, Bhat KMR. Chondrohumeralis and axillary arch of Langer: a rare combination of variant muscles with unique insertion. Rom J Morphol Embryol. 2010; 51(2): 395–397.
  51. Lin C. Contracture of the chondroepitrochlearis and the axillary arch muscles. A case report. J Bone Joint Surg Am. 1988; 70(9): 1404–1406.
  52. Locchi R. Reserches d’anatomie ethnique sur le ‘musculus sternalis’ Comptes rendus de 1’Associations des Anatomistes. 1930; 25: 212.
  53. Londhe SR, Jadhav AS, Koti MN. Unilateral rectus stermalis muscle a case presentation. Anat Karnataka. 2010; 4: 51–53.
  54. Mérida-Velasco JR, Rodríguez Vázquez JF, Mérida Velasco JA, et al. Axillary arch: potential cause of neurovascular compression syndrome. Clin Anat. 2003; 16(6): 514–519.
  55. Miguel M, Llusá M, Ortiz JC, et al. The axillopectoral muscle (of Langer): report of three cases. Surg Radiol Anat. 2001; 23(5): 341–343.
  56. Mori M. Statistics on the musculature of the Japanese. Okajimas Folia Anat Jpn. 1964; 40: 195–300.
  57. Natsis K, Vlasis K, Totlis T, et al. Abnormal muscles that may affect axillary lymphadenectomy: surgical anatomy. Breast Cancer Res Treat. 2010; 120(1): 77–82.
  58. Natsis K, Totlis T, Sofidis G. Chondroepitrochlearis: an abnormal muscle that may affect axillary lymphadenectomy. ANZ J Surg. 2012; 82(4): 286–287.
  59. O'Neill MN, Folan-Curran J. Case report: bilateral sternalis muscles with a bilateral pectoralis major anomaly. J Anat. 1998; 193 ( Pt 2): 289–292.
  60. Perrin JB. Notes on some variations of the pectoralis major, with its associate muscles. J Anat Physiol. 1871; 5(Pt 2): 233–420.19.
  61. Petrasek AJ, Semple JL, McCready DR. The surgical and oncologic significance of the axillary arch during axillary lymphadenectomy. Can J Surg. 1997; 40(1): 44–47.
  62. Rai R, Ranade A, Prabhu L, et al. Unilateral Pectoralis Minimus Muscle: A Case Report. Int J Morphol. 2008; 26(1): 27–29.
  63. Raikos A, Paraskevas GK, Yusuf F, et al. Sternalis muscle: a new crossed subtype, classification, and surgical applications. Ann Plast Surg. 2011; 67(6): 646–648.
  64. Ridgway PF, Collins AM, McCready DR. The surgical importance of an axillary arch in sentinel node biopsy. Surg Radiol Anat. 2011; 33(2): 147–149.
  65. Rizk E, Harbaugh K. The muscular axillary arch: an anatomic study and clinical considerations. Neurosurgery. 2008; 63(4 Suppl 2): 316–319.
  66. Sachatello CR. The axillopectoral muscle (Langer's axillary arch): a cause of axillary vein obstruction. Surgery. 1977; 81(5): 610–612.
  67. Saeed M, Murshid KR, Rufai AA, et al. Sternalis. An anatomic variant of chest wall musculature. Saudi Med J. 2002; 23(10): 1214–1221; Erratum in: Saudi Med J. 2002; 23(12): 1561. Saudi Med J 2006; 27(6): 914.
  68. Samuel VP, Vollala VR. Unusual pectoralis major muscle: the chondroepitrochlearis. Anat Sci Int. 2008; 83(4): 277–279.
  69. Sarikcioglu L, Yildirim FB, Chiba S. Unilateral occurrence of a chondroepitrochlearis muscle. Clin Anat. 2004; 17(3): 272–275.
  70. Sasmal PK, Meher S, Mishra TS, et al. Sternalis muscle: an unexpected finding during mastectomy. Case Rep Surg. 2015; 2015: 723198.
  71. Sawada M, Ishibashi Y, Suzuki T, et al. Case report on the pectoralis quadratus and the pectoralis intermedius muscles. Acta Anat Nippon. 1991; 66: 99–105.
  72. Serpell JW, Baum M. Significance of 'Langer's axillary arch' in axillary dissection. Aust N Z J Surg. 1991; 61(4): 310–312.
  73. Shiotani M, Higuchi T, Yoshimura N, et al. The sternalis muscle: radiologic findings on MDCT. Jpn J Radiol. 2012; 30(9): 729–734.
  74. Snosek M, Tubbs RS, Loukas M. Sternalis muscle, what every anatomist and clinician should know. Clin Anat. 2014; 27(6): 866–890.
  75. Spinner RJ, Carmichael SW, Spinner M. Infraclavicular ulnar nerve entrapment due to a chondroepitrochlearis muscle. J Hand Surg Br. 1991; 16(3): 315–317.
  76. Takafuji T, Igarashi J, Kanbayashi T, et al. [The muscular arch of the axilla and its nerve supply in Japanese adults]. Kaibogaku Zasshi. 1991; 66(6): 511–523.
  77. Taterra D, Henry BM, Zarzecki MP, et al. Prevalence and anatomy of the axillary arch and its implications in surgical practice: A meta-analysis. Surgeon. 2019; 17(1): 43–51.
  78. Totlis T, Iosifidou R, Pavlidou F, et al. Complicated axillary lymphadenectomy due to a pectoralis quartus muscle. Chirurgia (Bucur). 2012; 107(3): 397–398.
  79. Tountas CP, Bergman RA. Anatomic variations of the upper extremity. Churchill Livingstone, New York. 1993: 79–81.
  80. Turgut HB, Anil A, Peker T, et al. Insertion abnormality of bilateral pectoralis minimus. Surg Radiol Anat. 2000; 22(1): 55–57.
  81. Turgut HB, Peker T, Gülekon N, et al. Axillopectoral muscle (Langer's muscle). Clin Anat. 2005; 18(3): 220–223.
  82. Turki MA, Adds PJ. Langer's axillary arch: a rare variant, and prevalence among Caucasians. Folia Morphol. 2017; 76(3): 536–539.
  83. Turner W. On the Musculus Sternalis. J Anat Physiol. 1867; 1(2): 246–253.
  84. Upasna Kumar A, Singh B, Kaushal S. Muscular variations during axillary dissection: a clinical study in fifty patients. Niger J Surg. 2015; 21(1): 60–62.
  85. Van Hoof T, Vangestel C, Forward M, et al. The impact of muscular variation on the neurodynamic test for the median nerve in a healthy population with langer's axillary arch. J Manipulative Physiol Ther. 2008; 31(6): 474–483.
  86. Venieratos D, Samolis A, Piagkou M, et al. The chondrocoracoideus muscle: A rare anatomical variant of the pectoral area. Acta Med Acad. 2017; 46(2): 155–161.
  87. Voto SJ, Weiner DS. The chondroepitrochlearis muscle. J Pediatr Orthop. 1987; 7(2): 213–214.
  88. Wallace D. Nerve supply of musculus sternalis. J Anat Physiol. 1886; 21(Pt 1): 153–154.
  89. Wood J. Variations in human myology observed during the Winter Session of 1865–6 at King’s College, London. Proc Royal Soc. 1866; 15: 229–244.
  90. Young Lee B, Young Byun J, Hee Kim H, et al. The sternalis muscles: incidence and imaging findings on MDCT. J Thorac Imaging. 2006; 21(3): 179–183.

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