A new rosette in retinoblastoma.

Retinoblastoma, the most common primary malignant intraocular tumor of childhood is a great success story in pediatric and ocular oncology. Pathology of retinoblastoma is important to guide the treatment modalities. Diff erentiated retinoblastoma is commonly seen in younger age group. Since a hundred years, we have been observing two typical true rose􀄴 es in retinoblastoma in the form of Flexner-Wintersteiner (FW) and Homer Wright (HW) rose􀄴 es and in many occasions pseudorose􀄴 es have been documented. In the present case report, a third new type of rose􀄴 e was identifi ed in a diff erentiated retinoblastoma which had an unusual anterior segment involvement.