May Cause

Advanced bone age

Basal ganglion calcification

Echogenic brain lesion

Enlarged brainstem

Hydrocephalus

Intracranial lesion in an infant

Localized gyriform meningeal enhancement

Obstructive hydrocephalus

Phrenic nerve paralysis or dysfunction

T1-hypointense intracranial lesion

T1-isointense intracranial lesion

T2-hyperintense intracranial lesion

May Be Caused by

Cholesteatoma

HIV infection