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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Message: file_get_contents(https://...@gmail.com&api_key=61f08fa0b96a73de8c900d749fcb997acc09): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
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Purpose: The aim was to study the characteristics of recurrence patterns in the form of scar recurrence, new lesions, and vitreous seeds which is necessary in anticipating future events for the management of retinoblastoma (RB).
Methods: This retrospective analytical observational study was conducted in a tertiary care hospital in South India; we included 64 eyes of 45 patients having RB from January 2019 to July 2020. The inclusion criterion was treatment-naïve patients with > 12 months of follow-up period. Recurrence patterns were defined as Pattern 1a and Pattern 1b: local and diffuse dissemination of vitreous seeds, respectively. Pattern 2: Scar recurrences: these are new tumor growths over chemoreduced lesions. Pattern 3: New lesions: local dissemination of subretinal seeds leading to new lesions elsewhere in the retina.
Results: A noncomparative analysis of 64 eyes of 45 patients having 108 lesions was studied; of which 28/45 (62.22%) were male and 17/45 (37.78%) were female. The mean time of presentation since the first clinical sign was 40 days (range: 10-180). The most common sign at presentation was leukocoria 42/64 (65.6%), followed by squint 4/64 (6.34%). Nineteen patients (42.22%) had bilateral RB, while 26 patients (57.78%) had unilateral RB. Primary enucleation was done for 19/26 eyes with advanced unilateral disease. Out of the total 32 eyes with subretinal tumor seeds at presentation, 17/32 eyes had a recurrence in the form of new lesions (Pattern 3) and 22/32 eyes had scar recurrence (Pattern 2). All of these 32 eyes were salvaged by local tumor consolidation methods. Recurrence due to vitreous seed dissemination was found in 18/64 eyes, in which diffuse dissemination (Pattern 1b) was present in 8/18 eyes (44.4%); all required enucleation even after local and systemic chemotherapeutic measures. Rest 10/18 eyes with local vitreous seeds (Pattern 1a) were cured at the end of the follow-up. Globe salvage was more with Pattern 1a rather than Pattern 1b even after additional intravitreal chemotherapy.
Conclusion: All eyes with Patterns 2 and 3 were salvaged at the end of follow-up with local tumor consolidation methods, while the globe salvage rate with Pattern 1 was poor even with multiple doses of intravitreal chemotherapy. The rate of successful treatment for managing these recurrence patterns depends on early identification by regular follow-ups with detailed retina examination.
Download full-text PDF |
Source |
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10903713 | PMC |
http://dx.doi.org/10.4103/meajo.meajo_112_23 | DOI Listing |
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