ORIGIN OF THE FACIAL ARTERY FROM THE LINGUAL-FACIAL TRUNK AND ITS COURSE THROUGH THE SUBMANDIBULAR SALIVARY GLAND: A CASE REPORT. Origen de la arteria facial desde el tronco lingual-facial y su curso a través de la glándula salival submandibular: informe

Autores/as

  • Srinivasa Rao Sirasanagandla Department of Anatomy, Melaka Manipal Medical College (Manipal Campus), Manipal University, Manipal. Karnataka District
  • Satheesha Nayak B Department of Anatomy, Melaka Manipal Medical College (Manipal Campus), Manipal University, Manipal. Karnataka District
  • Bhagath Kumar Potu Department of Anatomy, School of medicine, UCSI University, Kuala Lumpur
  • Kumar M R Bhat Department of Anatomy, Kasturba Medical College, Manipal University, Manipal. Karnataka District

DOI:

https://doi.org/10.31051/1852.8023.v4.n1.13967

Palabras clave:

Facial artery, lingual-facial trunk, submandibular salivary gland, digastric triangle, arteria facial, tronco linguo-facial, glandular salival submandibular, triángulo digástrico

Resumen

La disección cuidadosa del tercio posterior de la parte superficial de la glándula salival submandibular es uno de los pasos quirúrgicos esenciales en la extirpación endoscópica glandular, evitando daños en la arteria facial. Un buen conocimiento de la poco común relación entre la arteria facial y la glándula salival submandibular es de vital importancia para llevar a cabo de forma eficiente y segura la extirpación de la glándula submandibular. Las variaciones del patrón de ramificación de la arteria facial son bien conocidas y han sido expuestas en el pasado. Sin embargo, las variaciones en su origen y trayectoria son poco frecuentes. Durante una rutinaria disección de cabeza y cuello para los estudiantes universitarios de Medicina, observamos la inusual trayectoria de la arteria facial en el triángulo digástrico derecho en un cadáver de un varón de origen indio de aproximadamente 60 años. La arteria facial derecha se originó de la común lingual-facial del tronco por encima del nivel del asta mayor del hueso hioides, y luego atravesar a través de la sustancia de la parte superficial de la glándula submandibular, sin la formación de un bucle. Después la arteria entraba en la cara por el ángulo anteroinferior del masetero. A continuación, en su trayectoria intraglandular, esta arteria mostraba pequeñas ramificaciones glandulares. 

 

Careful dissection of the posterior one third of the superficial part of the submandibular salivary gland is one of the essential surgical steps in endoscopic glandular excision, to avoid injury to the facial artery. A sound knowledge of unusual relationship of the facial artery with the submandibular salivary gland is essentially important to perform the safe and efficient submandibular gland excision. Different types of variations in the branching pattern of the facial artery have been reported in the past. However, variations in the origin and course of the facial artery are very rare. During the routine head and neck dissection for the medical undergraduate students, we observed an unusual course of the facial artery in the right digastric triangle of an approximately 60-year-old male cadaver of Indian origin. The right facial artery originated from the common lingual-facial trunk above the level of the greater horn of the hyoid bone, and then it traversed through the substance of superficial part of the submandibular salivary gland without forming a loop. Then this artery entered the face at the antero-inferior angle of the masseter. Further, in its intraglandular course this artery gave few small glandular branches

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Publicado

2016-03-28

Número

Sección

Presentación de Casos