Retinoblastoma with unusual association of postaxial polydactyly.

[well-differentiated liposarcoma]

Retinoblastoma is the most common primary intraocular malignancy of childhood , arising from retinal progenitor cells . The most common presenting feature is leucocoria , followed by strabismus , defective vision , and rarely nystagmus . The unusual associations reported with retinoblastoma are well-differentiated liposarcoma and lipomatous tissues , chromosome breakage syndromes , and the myriad findings of rare 13 q deletion syndrome . Case report . An 8 -year -old boy presented with features of retinoblastoma , having leucocoria in the left eye and an unusual association of postaxial polydactyly in the left hand . Postaxial polydactyly should be considered as an association of retinoblastoma .