Histopathologic Findings of an Unsuccessful Molteno Implant.

Ryu, Gyu Won; Kim, Young Il

Original Article

Journal of the Korean Ophthalmological Society 1999;40(7):1944-1949.
Published online July 1, 1999.

Histopathologic Findings of an Unsuccessful Molteno Implant.

Gyu Won Ryu, Young Il Kim

Department of Ophthalmology,Pusan Paik Hospital,The Inje University Medical College, Pusan, Korea.

Molteno 녹내장장치 삽입 후 적출된 안구의 병리조직학적 소견

류규원(Gyu Won Ryu),김영일(Young Il Kim)

Abstract

We documented the histopathologic findings of an eye with Molteno implant that was nonfunctional at 3 years after implantation.In 1995,a 62-year-old woman developed neovascular glaucoma in her right eye,and installation of a Molteno implant was performed.However,she was lost to follow-up until 1998,when she presented with a blind eye that have to be enucleated with molteno implant because of painful phthisis bulbi.On external examination the implant plate was located in the superotemporal equatorial region of the globe,8 mmposterior to the limbus and 9 mm anterior to the optic nerve.There were adhesions between the plate and surround-ing fibrous tissue.The drainage tube into the anterior chamber left in situ. On microscopic examination the adjacent bleb wall consisted of multilayer, degenerated collagenous connective tissue,maximal 0.7 mmin thickness.Its inner portion mainly consisted of paucicellular,hyalinized and sclerotic col-lagen fibers and outer portion was relatively fibrovascular tissues with a few vascular endothelial cells and fibroblasts.And,there were chronic lym-phocytic infiltrates around a silicone tube insertion site into the anterior chamber.

Key Words: Bleb;Histopathologic findings;Molteno implant