Conjunctival biopsy size does not correlate with the presence of tumor in the biopsy. Primary tumor location and pattern of tumor at presentation do not correlate with conjunctival biopsy results. Irrespective of the clinical tumor features, standardized conjunctival map biopsies are essential in staging periocular sebaceous carcinoma.
As a result of the excellent survival rates for retinoblastoma patients, it is important to: recognize the risk of sarcoma, particularly in patients with hereditary retinoblastoma and/or prior radiation therapy; establish a screening protocol, such as the one proposed, to maximize early detection; and discuss and develop treatment guidelines for high-risk patients. Future directions of research for these patients will involve the development of molecularly targeted agents and the use of proton radiotherapy.
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