In a child with retinoblastoma, which of the following is NOT a common finding in the X-ray: September 2012
Ans. B i.e. lntracerebral calcification Retinoblastoma May be bilateral in 30-40% cases (paicularly familial ones), Knudsons hypothesis is related to Rb MC manifestation of Rb: Leukocoria/ Amaurotic cat's eye reflex Treatment of diffuse Rb: Enucleation (removal of eyeball with poion of optic nerve from orbit) Treatment of small Rb: Brachytherapy Treatment of bilateral Rb & metastatic disease: Chemotherapy
Intraocular calcification
Intracerebral calcification
Multiple calcified mass in cranium
Widening of optic foramen