Supra-scapular foramen in Indian dry scapulae

Jadhav, S D; Patil, Raosaheb J; Roy, Priya P; Ambali, Manoj P; Doshi, M.A.; Desai, Roopal

doi:10.1055/s-0039-3401675

Cited by 6 publications

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“…Our study reported 4.1% incidence of completely ossified STSL which is close to the report of Dunkengrun et al [13] and Jadhav et al 2012 (10.57%) [14] was quite high as compared to our study. Complete ossification of STSL was very rare in some population such as in American Native 2.1-2.9 %, Eskimos-0.3% [15].…”

Section: Discussionsupporting

confidence: 91%

Bony Suprascapular Foramen, a Potential Site for Suprascapular Nerve Entrapment: A Morphological Study on Dried Human Scapulae

Jangde¹,

Arya²,

Paikra³

et al. 2015

IJAR

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The superior transverse scapular ligament (STSL) is present above the suprascapular notch. It joins the two superior corners of this notch and converts it into suprascapular foramen through which passes the suprascapular nerve , while the suprascapular artery and vein usually pass above the ligament. The anterior coracoscapular ligament (ACSL) runs in the suprascapular notch, below the superior transverse scapular ligament. Narrowed bony foramen by ossification of STSL and ACSL is one of the predisposing factor of suprascapular nerve entrapment as well as with an injury to the suprascapular nerve in arthroscopic procedures. Aim: The aim of present study was to know the prevalence of suprascapular foramen in Indian dry scapulae and provide a knowledge on the variations along the course of suprascapular nerve which is essential to understanding the source of entrapment syndrome. Methods and Results: The present study was carried out on 73 dried human scapulae irrespective of age and sex. Visual observation revealed that 3 scapulae (4.1%) had completely ossified superior transverse scapular ligament and 2 scapulae (2.7 %) had partially ossified STSL. The incidence of ossified anterior coracoscapular ligament is 1.3 % (1 scapula) in our study. Conclusion: The knowledge of variations in the suprascapular region and ossification of STSL & ACSL is important for anatomists, orthopaedicians, radiologists and neurosurgeons to obtain a safe zone which would be useful to avoid iatrogenic nerve lesion and for better diagnosis and management of the nerve entrapment syndrome.

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Section: Discussionsupporting

confidence: 91%

Bony Suprascapular Foramen, a Potential Site for Suprascapular Nerve Entrapment: A Morphological Study on Dried Human Scapulae

Jangde¹,

Arya²,

Paikra³

et al. 2015

IJAR

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“…The ossification of suprascapular ligament is multi factorial and from the literatures we found that its incidence varies from 1.36% to 30.76% in different populations of world. In present study, we found 13.33% incidence of ossified superior transverse scapular ligament which is nearer to findings of Jadhav et al [7] (10.57%). Silva et al [8] reported the incidence of completely ossified superior transverse scapular ligament 30.76% in Brazilian population which is very high as compared to our study.…”

Section: Discussionsupporting

confidence: 66%

Ossification of Transverse Scapular Ligament in Population of Bihar & Its Clinical Implications

Singh¹

2018

jmscr

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Background: The common site of compression of suprascapular nerve which arise from the upper trunk of brachial plexus, is either at the spinoglenoid notch or at the suprascapular notch. This notch is converted into a foramen by a ligament named superior transverse scapular ligament through which suprascapular nerve passes. Sometimes this ligament get ossified & converts this notch into a bony foramen. When overhead abduction occurs around the shoulder joint, it produces traction force on suprascapular nerve & it may leads to entrapment neuropathy. This risk of entrapment increases when this ligament get completely ossified & form a bony foramen. Aim & Objective: To study the incidence of ossification of this ligament in population of Bihar & compare it with findings among different regions of world. Materials and Methods: We conducted this study on 120 (Right-56, Left-64) scapula of unknown sex & age, which neither have any bony deformities nor damaged superior border. Results: We found 16 scapulae among 120 (13.33%) in which superior transverse scapular ligament is fully ossified. Among them 11 (9.17%) belongs to right & 4 (4.16%) belongs to left side. This ossification is more common in right side. Conclusion: These findings itself suggestive of ossification of this ligament is not so rare in Bihar. So, the physicians & surgeons must have knowledge about this ossification which helps in early diagnosis of nerve entrapment.

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“…Many researchers have recognized that the morphological variation of the suprascapular notch and the ossification of the STSL is the origin of suprascapular nerve entrapment syndrome [5][6][7][8][9]. The shape and size of the notch may be a reason in suprascapular nerve entrapment because narrow suprascapular notch have been found in patients with this syndrome [4,[10][11][12][13][14]. It is essential for clinical practice because a range of techniques are connected with the athroscopic decompression of the nerve [15].…”

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confidence: 99%

Morphological Classification of Suprascapular Notch in Dry Scapulae From Population of Gujarat: A Database for Shoulder Arthroscopy

Desai¹,

Rathwa²,

Chavda³

2018

IJAR

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Background: The Suprascapular Notch (SSN) is located at the superior edge of the scapula. The information of variations in shapes and classification can be obliging to surgeons to correlate the suprascapular nerve entrapment with a specific type of notch. The aim of this study is to document the occurrence of morphological variations in shape of suprascapular notch in dry scapulae which belongs to population of Gujarat & evaluate it with prevalence among various races of world to know its clinical significance.Methods: Total two hundred dry and intact adult human scapulae were studied of mixed sex of Indian origin derived from various medical colleges of Gujarat. All Measurements were taken by classical osteometry with the help of electronic calipers with the accuracy of 0.01mm in millimetres. Results and Interpretation:The most common type of SSN observed was Type 2, a notch that was longest in its transverse diameter. The least common type was Type 4. Type 5 SSN was absent. The most common shape was 'J' and least common was 'V'. Partial and complete ossification was also noted. Conclusion:Knowledge of anatomical variations of suprascapular notch is better for understanding location and source of entrapment syndrome. Since, the present study is performed with a limited number of dry scapulae, so there is need of further clinical, radiological and cadaveric studies.

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Supra-scapular foramen in Indian dry scapulae

Cited by 6 publications

References 0 publications

Bony Suprascapular Foramen, a Potential Site for Suprascapular Nerve Entrapment: A Morphological Study on Dried Human Scapulae

Bony Suprascapular Foramen, a Potential Site for Suprascapular Nerve Entrapment: A Morphological Study on Dried Human Scapulae

Ossification of Transverse Scapular Ligament in Population of Bihar & Its Clinical Implications

Morphological Classification of Suprascapular Notch in Dry Scapulae From Population of Gujarat: A Database for Shoulder Arthroscopy

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