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Updated: May 28, 2026

Reconstruct Human Retinoblastoma In Vitro
Published on: October 11, 2022
Cavitary retinoblastoma: Clinical features and treatment outcomes
Nakul Verma1, Rohan Kapoor1, Vijitha S Vempuluru2
1Anant Bajaj Retina Institute, Hyderabad, Telangana, India.
Insights
Cavitary retinoblastoma (RB) in children shows a good initial response to chemotherapy, with most cases achieving local tumor control and excellent prognosis for globe salvage. This study analyzed clinical characteristics and treatment outcomes in 40 patients.
Area of Science:
- Ophthalmology
- Pediatric Oncology
Background:
- Cavitary retinoblastoma (RB) is a specific subtype of RB characterized by internal cavities within the tumor.
- Understanding its clinical presentation and treatment response is crucial for effective management in children.
Purpose of the Study:
- To delineate the clinical characteristics of cavitary retinoblastoma.
- To evaluate treatment outcomes and prognosis in pediatric patients diagnosed with cavitary RB.
Main Methods:
- Retrospective analysis of pediatric patients diagnosed with cavitary retinoblastoma.
- Data collected included patient demographics, presenting symptoms, tumor classification (ICRB), cavity type (primary/secondary), treatment modalities, and follow-up outcomes.
Main Results:
- The study included 40 patients (43 eyes) with cavitary RB, with a mean age at diagnosis of 25 months.
- Leukocoria and strabismus were the most common presenting symptoms. Most eyes (98%) received intravenous chemotherapy (IVC).
- Despite recurrence in 23% of eyes post-IVC, all eyes achieved local tumor control at a mean follow-up of 31 months, with no systemic metastasis or death.
Conclusions:
- Cavitary retinoblastoma, encompassing both primary and secondary types, demonstrates a favorable initial response to standard chemotherapy.
- The overall prognosis for globe salvage in these cases is excellent, highlighting the efficacy of current treatment protocols.
Purpose:
To describe clinical characteristics and treatment outcomes of children diagnosed with cavitary retinoblastoma (RB).
Methods:
Retrospective analysis of children treated for cavitary RB.
Results:
Of the 40 patients (43 eyes) with cavitary RB, 14 (35%) were female and 26 (65%) were male. At diagnosis, the average age was 25 months (median, 24 months; range 3-84 months). In 3 cases (8%), bilateral cavitary RB was seen. The most prevalent presenting symptoms were leukocoria (n = 21, 53%) and strabismus (n = 6, 15%) with a mean duration of symptoms of 23 weeks (median, 16 weeks; range 0-104 weeks). As per the ICRB classification, 15 eyes (35%) were in group D, 12 eyes (28%) in group C, 10 eyes (23%) in group B, and 6 eyes (14%) in group E. Primary cavities, within the tumor, were seen in 14 eyes (33%), whereas secondary cavities were seen in 29 eyes (67%). Most of the eyes (n = 42, 98%) were treated with intravenous chemotherapy (IVC), and one eye (2%) received intra-arterial chemotherapy. In ten eyes (23%), the tumor recurred following IVC, and two cases exhibited a partial response to IVC. At the last follow-up (mean, 31 months), all eyes (100%) had local tumor control with no evidence of systemic metastasis or death. Regression of the cavities within the tumor was noted in 27 eyes (63%), while it remained stable in 16 eyes (37%).
Conclusion:
Cavitary RB (both primary and secondary) had a good initial response to standard chemotherapy with an overall excellent prognosis for globe salvage.
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