Clinicopathologic Report of Uveal Melanoma with Persistent Exudative Retinal Detachment after Gamma Knife Radiosurgery

Aims: Our purpose was to report the clinical and pathological findings from uveal melanoma patients with persistent exudative retinal detachment (RD) after Gamma Knife radiosurgery (GKR). Methods: A retrospective review was performed. Results: GKR was performed on 19 uveal melanoma patients from 200...

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Veröffentlicht in:Ophthalmologica (Basel) 2010-01, Vol.224 (1), p.16-21
Hauptverfasser: Song, Won Kyung, Yang, Woo Ick, Byeon, Suk Ho, Koh, Hyoung Jun, Kwon, Oh Woong, Lee, Sung Chul
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Sprache:eng
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Zusammenfassung:Aims: Our purpose was to report the clinical and pathological findings from uveal melanoma patients with persistent exudative retinal detachment (RD) after Gamma Knife radiosurgery (GKR). Methods: A retrospective review was performed. Results: GKR was performed on 19 uveal melanoma patients from 2004 to 2006, and 5 of them developed persistent exudative RD. The mean initial largest basal tumor diameter in these 5 patients was 14.4 ± 1.9 mm, and the mean tumor height was 9.2 ± 1.0 mm. Marginal doses of 40–50 Gy radiation were administered. RD developed or had become aggravated an average of 3 (1–10) months after GKR. Two patients underwent enucleation, while the remaining 3 underwent tumor removal by endoresection with retinal reattachment surgery by vitrectomy and silicone oil tamponade. These procedures were undertaken an average of 6.3 (1.5–14) months after radiation and 3.3 (0.5–5) months after the onset or aggravation of RD. Histologically 4 tumors showed 50–100% necrosis without any mitotic activity. Thus local tumor control after GKR appeared sufficient regardless of RD. Conclusion: Aggravation or development of exudative RD after GKR does not necessarily entail treatment failure. Therefore, retinal reattachment surgery in persistent exudative RD may be an option to preserve the eye.
ISSN:0030-3755
1423-0267
DOI:10.1159/000233231