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  • Title: [The clinical characteristics and prognosis of 92 cases of delayed occurrence of retinoblastoma].
    Author: Zhang Y, Zhang WL, Wang YZ, Shi JT, Ma JM, Huang DS, Hu HM, Hong L, Liu AP, Li J.
    Journal: Zhonghua Yan Ke Za Zhi; 2013 Sep; 49(9):812-6. PubMed ID: 24330931.
    Abstract:
    OBJECTIVE: To retrospectively summarize the clinical features, diagnosis and treatment of retinoblastoma (RB) patients in the children aged 5 years or above. METHODS: This was a case-series study. Total of 92 patients (107 eyes) with RB aged 5 years or above in Department of Pediatric,Beijing Tongren Hospital from September 2005 to May 2010 were included in the study. The diagnosis of RB was established using clinical examination and histopathology analysis.Statistical analysis in the characteristics of disease and initial symptoms was performed in 92 cases. Kaplan-Meier curve was employed to analyze the survival function. RESULTS: (1) The medium age of the patients was 6.25-year. Male accounted for 66.30% (61/92) and female was 33.69% (31/92) . According to the results of statistical scatter diagram, the age of the disease onset was ranged from 5.00 to 8.33 years. Percentile for age 5.77, 5.83 and 7.85 years were the 25th, 50th, 75th respectively. (2) In 92 cases, 83.69% (77/92) of the patients were unilateral RB and 16.31% (15/92) were bilateral RB. (3) Leukocoria was the most common manifestation in the diagnosis early RB, accounting for 55.43% (51/92) .Secondary symptoms were blurred vision, eye redness and photophobia, accounting for 23.91% (22/92). Other symptoms included strabismus, proptosis, glaucoma and the abnormal in fundus examination, accounting for 20.64% (19/92) .No family history of RB was found in all of cases studied. (4) Among 107 eyes with RB, 76 eyes were enucleated up to February 2013. The rate of enucleation was 71.02%. (5) By February 2013, the average following-up time was 39 months, during the time 1 case was lost, 6 cases were dead, the overall survival rate was 93.46% (85/92) . The result of Kaplan-Meier curve showed that the estimates of 5-year expected average total survival time was (72.61 ± 1.89) months(95%confidence interval was 68.9-76.3 months). CONCLUSIONS: Unilateral RB are the most common cases in the age of 5 years or above, and the most common symptom is Leukocoria.Overall survival rate of older RB patient is high with comprehensive treatment.
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