As regards to intraocular retinoblastoma, which one of the following statements is false:
B i.e. Patients with sporadic retinoblastoma do not pass their genes to their offsprings
94% of cases are sporadic
Patients with sporadic retinoblastoma do not pass their genes to their offsprings
Calcification in the tumor can be detected on ultrasound scan
Reese-Ellswoh classifiction is useful in predicting visual prognosis following radiotherapy