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Revista chilena de cirugía

versión On-line ISSN 0718-4026

Resumen

BOMBIN F, Juan et al. Complex arteriovenous malformation of the neck. Rev Chil Cir [online]. 2015, vol.67, n.1, pp.70-75. ISSN 0718-4026.  http://dx.doi.org/10.4067/S0718-40262015000100012.

Background: Arteriovenous malformation (AVM) is an abnormal connection between arteries and veins, bypassing the capillary system and forming arterial, venous and capillary nests. Case report: We report a female consulting for the first time at the age of 15 for an AVM located in the left posterior region of the neck. The patient was operated at that time, performing an extensive excision of the lesion and covering the defect with a skin flap. The lesion relapsed three years later. Vascular imaging revealed the malformation with afferent arteries from the subclavian, vertebral and left occipital arteries and a great posterior cervical nest that drained through a great anomalous vein to the subclavian vein. A surgical ligation of all the anomalous branches of the subclavian vein was performed, to perform a local excision in a second intervention. The patient got pregnant, delaying the intervention and had a normal delivery at the age of 19. At 21 years of age, she consulted again due to a great growth of her AVM, with repeated bleeding episodes, requiring transfusions. The patient was treated with embolization of the nest and the afferent arteries. Finally at 23 years of age, the lesion was excised again and the defect was covered with a skin flap. The patient had a good postoperative evolution.

Palabras clave : Arteriovenous malformation; neck; embolization.

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