Abstract

9068 Background: One the main reasons for delayed presentation of children with RB in India is non acceptance of enucleation. CT is being increasingly utilized as primary treatment of RB to reduce the tumor volume and thus avoid enucleation and/or external beam radiation (EBRT) in early stage disease and reduce the risk of relapse in advanced stage disease. Methods: This retrospective (from 1996 to 2001) study involved 62 Patients (pts) (30 were bilateral) who received CT consisting of monthly cycles of carboplatin, etoposide, vincristine and cyclophosphomide. Pts with stage I disease, were started on CT alone, whereas most of the other pts were also started on concurrent EBRT (50Gy). Where indicated, pts also received local therapy, usually cryotherapy & EBRT. Eyes which did not show response or had stable disease, were advised enucleation. Results: Majority of pts had Reese-Ellsworth groups IV-V (74.1%). 17 pts had Stg I, 22 Stg II, 17 Stg III & 6 Stg IV disease (St Jude’s). All pts received CT (median 12 cycles). Out of 92 eyes only 79 were evaluable (13 were already enucleated).The response rate was 73.2% (51.8% CR or near CR); 12.9% had progressive disease. 47 Pts (74%) received RT. Only 23 pts received focal treatment (Cryotherapy 15, laser 3, combination 5). Vision was present in 38 eyes (48.1%) at presentation. 26 eyes (68.4%) were finally saved with useful vision. 20 pts had recurrence. 18 have died (17 died of disease, 1 treatment related sepsis). In those following up in the clinic, survival is 77% for stage I; 78.5% for stage II; 41.6% for stage III. All stage IV pts have died except 1 with nodal disease. Conclusions: CT has a role in the management of RB, however unless it is coupled with good focal therapy the results are poor as shown here. Also longer follow-ups are required because of late recurrences. This data highlights that in developing countries the social reasons complicate patient treatment & compliance. Further efforts are needed to spread awareness of this disease so that patients are diagnosed and treated in earlier stages so as to improve the outcomes. No significant financial relationships to disclose.

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