75 out of 120
The following is true (AIIMS Nov 2013)
|A||the lesions are situated within the myelinated part of the optic disc|
|B||they can be inherited as a autosomal recessive trait|
|C||ultrasound is useful for diagnosis|
|D||MRI is useful for diagnosis.|
Ans. C ultrasound is useful for diagnosis
Optic disc drusen is usually situated anterior to the myelinated part of the optic nerve.In some patients, it is inherited as autosomal dominant. Ultrasound and CT scan can be used to demonstratecalcification of the optic nerve head.