Development of New Solitary Retinoblastoma Tumors during and after Chemotherapy

Purpose To review the occurrence of new solitary tumors during and after intravenous chemotherapy against retinoblastoma. Methods From 115 eyes of 78 patients with a diagnosis of intraocular retinoblastoma who underwent intravenous chemotherapy and focal treatment without prior treatment, patient demographics, age at diagnosis, laterality, classification (Reese-Ellsworth and International Classification of Retinoblastoma), and treatment options...