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1.
Int. j. morphol ; 31(4): 1399-1400, Dec. 2013. ilus
Artículo en Inglés | LILACS | ID: lil-702324

RESUMEN

In submental and around the mouth areas, the superfacial muscles are considered in surgery of some deformities of mouth angle. Herein, we report a rare case of the Transversus menti muscle (TM) in a Thai 74 year-old male cadaver. This TM originated from both sides of the oblique line of depressor anguli oris and formed as transverse fibers in submental area. Their fiber ran under the chin and was superficial to platysma muscle. The TM was innervated and supplied by mandibular branches of facial nerve and small branches of the submental artery. This report attempted to discuss the possible function and clinical significance of the TM.


Alrededor de la boca y en áreas submentonianas, los músculos superficiales son considerados en la cirugía de algunas deformidades del ángulo de la boca. Este estudio presenta un caso raro de músculo transversus menti (TM), en un cadáver tailandés de sexo masculino de 74 años de edad. El músculo TM se originó a partir de los dos lados de la línea oblicua del músculo depresor del ángulo oral y se formó como fibras transversales en el área submentoniana. Sus fibras se desplazaron debajo del mentón y superficialmente al platisma. El músculo TM estaba inervado e irrigado por ramos mandibulares de nervio facial y pequeñas ramas de la arteria submentoniana. Se discute su posible función y el significado clínico del músculo TM.


Asunto(s)
Humanos , Masculino , Anciano , Anomalías de la Boca , Mentón/anomalías , Músculos Faciales/anomalías , Cadáver
2.
3.
Journal of the Korean Cleft Palate-Craniofacial Association ; : 125-128, 2011.
Artículo en Coreano | WPRIM | ID: wpr-58323

RESUMEN

PURPOSE: Asymmetric crying facies is caused by agenesis or hypoplasia of the depressor anguli oris muscle and is often associated various anomalies. Several static and dynamic surgical interventions have been reported, but their effects are unreliable. We report on the successful use of botulinum toxin A in an asymmetric crying facies patient. METHODS: A 4-year-old girl presented with a facial asymmetry on crying or smiling. Physical examination revealed that her face had no asymmetry at rest. However, the patient showed characteristic asymmetry when smiling, crying, and with other normal facial movements. Asymmetric crying facies was clinically suspected and the weakness of left depressor anguli oris was present on electrophysiology study. Fifteen units of botulinum toxin type A were injected to the right depressor anguli oris muscle. RESULTS: The patient showed the prominent improvement in the facial symmetry without significant complication and the effect persisted until 3 months post injection. CONCLUSION: Asymmetric crying facies was treated successfully with botulinum toxin A and this method was easy and noninvasive.


Asunto(s)
Humanos , Toxinas Botulínicas , Toxinas Botulínicas Tipo A , Llanto , Electrofisiología , Asimetría Facial , Parálisis Facial , Facies , Músculos , Examen Físico , Preescolar , Sonrisa
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