FLEX February 2024

Imaging of Pediatric Head and Neck Masses

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Fig. 8. Dermoid cyst. Sagittal postcontrast T1 MRI shows a cystic mass in the midline of the nasal dorsum ( arrow ) associated with a sinus tract ( arrowhead ) that extends to the anterior cranial fossa.

head and neck vasculature in patients with PHACE (posterior fossa, hemangioma, arterial, cardiac/aortic, and eye anomalies) syndrome. 25 Thus, MRI and magnetic reso nance angiograhy of the brain and neck are useful for evaluating associated intracranial anomalies in such cases.

Fig. 9. Teratoma. Noncontrast CT demonstrates a heterogeneous mass containing fat and calcification in the left posterior cervical/suboccipital soft tissues.

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