Traumatic pseudoaneurysm of ascending cervical artery in neurofibromatosis: complication of chiropractic manipulation.

A B several hours. Ph ysical examination revealed a continuous bruit over a large left neck mass, numerous cafe au lait spots, and cu taneous neurofibromas. Radiographs of the cervical spine demonstrated marked bone dysplasia and kyphosis consistent with neurofibromatosis (fig . 1 A) . A fracture of the left transverse process of T1 was also present. Angiography disclosed branches of the left external caro tid artery supplying the superior part of the mass, a cervical neurof ibroma (fig. 18). Left subclavian artery injection demonstrated an enlarg ed and irregular thyrocervical trunk with con trast material filling a 5 x 6 cm fa lse aneurysm within a large cervical neurofibroma (fig . 1 C). Surgery confirmed th e angiographic diagnosis of false aneurysm formation within the inferior part of th e neurofibroma.