Treatment of small tumour of retinoblastoma is:

(Brachytherapy) (360-Parson's 20th) (283-KH)Treatment of small tumours is by local modalities* Cryotherapy for by local modalities* Photocoagulation for posterior ones* Brochytherapy with 60CO or 125I (4000 rad (~ 40 Gy)* Retinoblastoma is the commonest intraocular malignancy in children and malignant melanoma of the choroid in adult.* Metastatic deposits most commonly located in the choroid.* Metastatic tumours are radio sensitive.* Chemo reduction followed by local therapy (cryotherpy, thermochemo therapy or brachytherapy) is recommended for large tumours (>12 mm diameter)* Radiotherapy (External beam radiotherapy i.e. EBRT or brachytherapy) combined with chemotherapy > chemotherapy is recommended for medium size tumours < 12 mm in diameter and < 8 mm in thickness