Second common malignancy in patients of retinoblastoma is?
ANSWER: (A) OsteosarcomaREF: Khurana 4th ed p. 281Heritable germ line cases of retinoblastoma develop bilateral tumours and multifocal tumours, and carry a predisposition to develop trilateral tumours most notably pinealoblastomas and osteosarcomas.Retinoblastoma is most common primary intraocular malignanacy of childhood.It is characterized by Flexner winterstiener rosette , homer - wright rosetteLeucocoria or cat's reflex is most common manifestation.Strabismus is second most common manifestation.Predisposing gene is 13ql4
Osteosarcoma
Ewing s sarcoma
Medulloblastoma
Osteoblastoma
Tumors