Double superior gemellus together with double piriformis and high division of the sciatic nerve

Arifoğlu, Yasin; Sürücü, Hüseyin; Sargon, Mustafa F.; Tanyeli, Ercan; Yazar, Fatih Mehmet

doi:10.1007/bf01628510

Cited by 38 publications

(15 citation statements)

References 9 publications

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“…We are led to believe that the variant muscle observed here represents a portion of piriformis that has developed erroneously from the superior portion of the muscle's embryological anlage, as evidenced by the loss the superior aspect of the normal piriformis muscle mass [2]. A duplicated superior gemellus was also noted on the left side similar to that described by Arifoglu et al [3].…”

Section: Case Studysupporting

confidence: 68%

Case study: New evidence of a piriformis variant inserting onto the hip joint capsule

Barfoot¹,

Mirjalili²

2019

Int J Anat Var

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Section: Case Studysupporting

confidence: 68%

Case study: New evidence of a piriformis variant inserting onto the hip joint capsule

Barfoot¹,

Mirjalili²

2019

Int J Anat Var

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“…Another case study of a male cadaver (63 years) showed a variation in the piriformis muscle, which presented as two bellies. Only the inferior belly (pictured as the smaller of the two bellies) originated from the STL by “a single digitation” (Arifoglu et al ) implying a small muscular interaction with the ligament. In a review paper, Smoll () report an attachment between piriformis and the STL, but provide no data, nor reference from which this information is derived.…”

Section: Resultsmentioning

confidence: 99%

A systematic review of the morphology and function of the sacrotuberous ligament

et al. 2019

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The sacrotuberous ligament (STL) has been linked to conditions such as pelvic girdle pain and pudendal nerve entrapment, yet its contribution to pelvic stability is debated. The purpose of this review was to explore the current understanding of the STL and highlight any gaps in knowledge regarding its anatomy and function. A systematic search of the literature was conducted, focussing on the morphology and attachments of the STL, the relationship of the STL with surrounding structures, and its neurovascular supply and function. A total of 67 papers and four textbooks were obtained. The attachment sites of the STL are largely consistent; however, the extent of its connections with the long head of biceps femoris, gluteus maximus, piriformis, the posterior layer of the thoracolumbar fascia, and sacrospinous ligament are unclear. Morphometric parameters, such as mean STL length (6.4-9.4 cm), depth (0.3-0.4 cm), and width (1.8-3.5 cm, at its midpoint) are variable within and between studies, and little is known about potential side-, age-, or sex-related differences. The STL is pierced in several sites by the inferior and superior gluteal arteries, but information on its innervation pattern is sparse. Functionally, the STL may limit sacral nutation but it appears to have a limited contribution to pelvic stability. Some morphological aspects of the STL warrant further investigation, particularly its connections with surrounding structures, innervation pattern and function. Knowledge of the detailed anatomy and function of this ligament is important to better understanding its role in clinical conditions. Clin. Anat. 32:396-407, 2019.

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“…Bent et al showed that if neurolymphomatosis is suspected, a nerve biopsy must be considered. They also emphasized that usually the sural nerve biopsy is necessary in order to demonstrate tumor cells (12).…”

Section: Discussionmentioning

confidence: 99%

Distribution of the sciatic nerve and its branches in cadavers

Çetin¹

2019

Ann Med Res

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Aim: The aim of this study was to determine whether the sciatic nerve and cutaneous branches originating from the nerve show any difference from the pattern described in textbooks. Material and Methods: For this purpose, six cadavers four males and two females were provided School of Medicine of Firat University. Results: The cadavers were dissected starting from formation of the sacral plexus and the sciatic nerve. Their portions in gluteal region and extensions in thigh area were examined. The diversion points of the common peroneal (fibular) nerve and the tibial nerve were determined and their lengths and thicknesses were measured. Diversion point of the sural nerve, which is a cutaneal nerve, was determined. The common peroneal nerve and the tibial nerve were followed up to their terminals. In this study, it is observed that the sciatic nerve was formed of the spinal nerves originating from the L 4-5 -S 1-2. The sural nerve formations were various in cadavers. Conclusion: This study demonstrated that the sciatic nerve formed from the spinal nerves originating from the L 4-5 -S 1-2. The sural nerve formations were various in cadavers and it was understood that a certain formation of the sural nerve could not be described.

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Double superior gemellus together with double piriformis and high division of the sciatic nerve

Cited by 38 publications

References 9 publications

Case study: New evidence of a piriformis variant inserting onto the hip joint capsule

Case study: New evidence of a piriformis variant inserting onto the hip joint capsule

A systematic review of the morphology and function of the sacrotuberous ligament

Distribution of the sciatic nerve and its branches in cadavers

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