Conjunctival pigmentation after 23-gauge microincisional vitrectomy surgery

被引:3
作者
Park, D. H. [2 ]
Shin, J. P. [2 ]
Kim, S. Y. [1 ]
机构
[1] Nune Eye Hosp, Taegu 706010, South Korea
[2] Kyungpook Natl Univ, Sch Med, Dept Ophthalmol, Taegu, South Korea
关键词
melanophage; microincisional vitrectomy surgery; pigmentation; sclerotomy; TRANSCONJUNCTIVAL SUTURELESS VITRECTOMY; PARS-PLANA VITRECTOMY; POSTERIOR SEGMENT DISEASE; INTRAVITREAL DISPERSION; 25-GAUGE VITRECTOMY; EPITHELIAL-CELLS; VISUAL OUTCOMES; TERM OUTCOMES; 20-GAUGE; CRYOTHERAPY;
D O I
10.1038/eye.2011.199
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Aim To investigate cases with conjunctival pigmentation originating from sclerotomy sites after 23-gauge microincisional vitrectomy surgery (MIVS). Methods This is a retrospective study comprised of 185 eyes from 185 consecutive patients who underwent 23-gauge MIVS. The authors investigated the incidence and the clinical factors associated with conjunctival pigmentation, including indication of vitrectomy and surgical procedures. Results Eight eyes (4.3%) from 185 eyes showed conjunctival pigmentation after surgery within 7 days postoperatively. Light microscopic examination of excised tissue showed infiltration of abundant dark brownish colored melanophages with surrounding scattered, finely granular, melanin pigments. C3F8 gas tamponade (OR, 9.4; 95% CI, 1.9-44.5; P = 0.005) was significantly associated with conjunctival pigmentation. The mean surface area (21.26 +/- 2.21 mm(2)) of three eyes with C3F8 tamponade was significantly larger than that of five eyes (2.51 +/- 0.73 mm(2)) without tamponade (P = 0.025). Neither leakage nor hypotony was found. Conclusions Intraocular melanin pigments could prolapse through the sclerotomy site and cause conjunctival pigmentation after 23-gauge MIVS. Thus, preoperative warning is necessary in patients with 23-gauge MIVS. Eye (2011) 25, 1465-1470; doi:10.1038/eye.2011.199; published online 19 August 2011
引用
收藏
页码:1465 / 1470
页数:6
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