Clinical presentation and treatment outcome of retinoblastoma in children of South Western China

To study the clinical presentation and treatment outcome among children in South Western China with retinoblastoma (RB) and to determine factors predictive of poor outcome.A retrospective review of children diagnosed with RB from 2006 to 2015 at West China Hospital was undertaken. Demographic and clinical characteristics and treatment outcomes were studied.A total of 253 patients (unilateral 80.2%, bilateral 19.8%) were studied. Twenty six patients (10.3%) were from minority ethnic groups of China. The median onset age was 21 months. Leukocoria was the most common presenting sign (71%). Tumors were intraocular in 91.3% cases, extraocular in 8.7% cases. Extraocular RB patients had a longer median lag period than intraocular patients (9 months vs 2 months, P