Fig. 3
From: Diagnosis of neonatal neurofibromatosis type 1: a case report and review of the literature
Ultrasound and pathological images. A Transverse image of the irregular hypoechoic mass in the deep facial space beside the left cervical spine (arrow); B Image of the mass shows bead-like echo, encircling the external carotid artery and its branches; C Bone destruction is observed in the left mandible (arrow); D Contrast-enhanced ultrasound shows rapid hyperenhancement and slow clearance within the mass, without any obvious non-enhancement area; E Ultrasound-guided puncture of the mass (arrow); F Puncture tissues mainly consist of spindle cells