Unilateral asymmetrical anterior bellies of the digastric muscle in coexistence with accessory muscle bundles in the submental triangle: A rare case report

Natsis, K.; Piagkou, Maria; Vrochidis, P.; Papadopoulou, Erofili; Lazaridis, Nikolaos

doi:10.1016/j.morpho.2017.10.001

Cited by 4 publications

(1 citation statement)

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“…Holibkova and Machaiek reported a combined asymmetrical variant with muscle bundles that unite the left digastric fossa with the IMT behind the contralateral ADMB [8]. There is usually some exchange of fibers sometimes amounting to complete fusion of the ADMB and the MHM [17]. An independent muscle, the mentohyoid (of Macalister) extending between the body of the HB and the mandibular symphysis, may be found along the ADMB medial border and could be considered as the third head of a trigastric muscle.…”

Section: The Admb Variability Among Various Studiesmentioning

confidence: 99%

Asymmetry of the Accessory Anterior Digastric Muscle Bellies: The Clinical Significance in Facial and Neck Surgery

Natsis

Piagkou

Lazaridis

et al. 2020

Cureus

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The anterior digastric muscle belly (ADMB) may present significant variations of substantial surgical importance. We present an unusual complex bilateral asymmetry of an accessory ADMB found when dissecting the submental area in a 72-year-old Greek male cadaver. A rare variant was recognized in the submental area constituted by a combination of bilateral asymmetry of the ADMB with unilateral absence of the intermediate tendon. The complex variant caused an obvious morphological asymmetry in the submental area. Such muscular variations may alter the surgical approach to the submental region. Clinicians involved in the treatment of this area should be aware of any possible variant, particularly when dealing with neck mass patients.

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Section: The Admb Variability Among Various Studiesmentioning

confidence: 99%