A three-headed psoas major muscle: a case report.

IF 1.2 4区 医学 Q3 ANATOMY & MORPHOLOGY
Marta Pośnik, N. Zielinska, Ł. Olewnik, Mariola Głowacka, P. Łabętowicz
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引用次数: 0

Abstract

BACKGROUND Multiple anatomical variations, from anomalous courses to additional structures, have been reported in muscles from different compartments of the human body. We report an extremely rare case of a psoas major muscle presenting as a three-headed structure with variable morphology. MATERIALS AND METHODS During a routine dissection of the posterior abdominal wall of a 82-year-old male cadaver, an anomalous PM muscle with supernumerary head was identified, photographed and subjected to further measurement. RESULTS Although the anatomy of the dissected posterior abdominal wall structures was typical, a three-headed psoas major muscle composed of superficial, intermediate and deep heads was identified. CONCLUSIONS It is important to be aware of morphological variability of muscles, especially those considered to be constant, since an anomalous structure might interfere not only with their functions, but also lead to further clinical consequences.
三头腰大肌:病例报告。
背景据报道,人体不同部位的肌肉存在多种解剖变异,从异常走向到附加结构。材料和方法在对一具 82 岁男性尸体的后腹壁进行常规解剖时,发现了一块异常的腰大肌,并对其进行了拍照和进一步测量。结果虽然解剖的后腹壁结构很典型,但还是发现了一块由浅、中、深三个头组成的三头腰大肌。结论意识到肌肉形态的可变性非常重要,尤其是那些被认为是恒定的肌肉,因为异常的结构不仅会影响其功能,还会导致进一步的临床后果。
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来源期刊
Folia morphologica
Folia morphologica ANATOMY & MORPHOLOGY-
CiteScore
2.40
自引率
0.00%
发文量
218
审稿时长
6-12 weeks
期刊介绍: "Folia Morphologica" is an official journal of the Polish Anatomical Society (a Constituent Member of European Federation for Experimental Morphology - EFEM). It contains original articles and reviews on morphology in the broadest sense (descriptive, experimental, and methodological). Papers dealing with practical application of morphological research to clinical problems may also be considered. Full-length papers as well as short research notes can be submitted. Descriptive papers dealing with non-mammals, cannot be accepted for publication with some exception.
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