Subretinal pigment dispersion following transpupillary thermotherapy for choroidal melanoma.

H. Kıratlı, S. Bilgiç
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引用次数: 12

Abstract

PURPOSE To report the case of a patient who developed considerable subretinal pigment/debris dispersion following transpupillary thermotherapy (TTT). This type of tumour response is extremely rare with this relatively new therapeutic modality. METHODS A 50-year-old man with a left juxtapapillary choroidal melanoma measuring 8 x 6 x 4.3 mm was treated with 810 nm diode laser TTT administered in two sessions. Spot size was 3 mm and the power setting was 450 mW. RESULTS Four months after the first treatment session, a considerable amount of pigment/debris was seen to have dispersed in the subretinal space, accumulating mainly in the macular area. Over a 12-month follow-up, the tumour showed progressive shrinkage without any change in the amount or location of the shed pigment/debris. No new tumour formation, recurrence or systemic metastases were detected. CONCLUSION Subretinal pigment/debris dispersion is an unusual complication after TTT and requires close follow-up. There has been no short-term compromise on the life or visual acuity of this patient.
脉络膜黑色素瘤经上突热疗后视网膜下色素分散。
目的报告一例在接受上乳头热疗(TTT)后视网膜下色素/碎片明显分散的患者。这种类型的肿瘤反应在这种相对较新的治疗方式中极为罕见。方法50岁男性左侧乳头旁脉络膜黑色素瘤(8 × 6 × 4.3 mm)采用810 nm二极管激光TTT治疗,分2期治疗。光斑尺寸为3毫米,功率设置为450兆瓦。结果第一次治疗4个月后,可见大量色素/碎片分散在视网膜下空间,主要积聚在黄斑区。在12个月的随访中,肿瘤显示进行性缩小,脱落色素/碎片的数量或位置没有任何变化。未发现新的肿瘤形成、复发或全身转移。结论视网膜下色素/碎片分散是TTT术后少见的并发症,需要密切随访。这个病人的生命和视力在短期内不会受到影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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