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  • Title: Partial excision with a conjunctival advancement flap after a relaxing incision for a dissecting glaucoma filtering bleb.
    Author: Mandal AK, Vemuganti GK, Ladda N, Veenashree MP.
    Journal: Ophthalmic Surg Lasers; 2002; 33(6):497-500. PubMed ID: 12449227.
    Abstract:
    A 65-year-old male patient developed dissecting glaucoma filtration bleb following trabeculectomy with mitomycin-C (MMC). Surgical partial excision of the bleb was performed and the tissue was subjected to histopathological evaluation. The bleb area was covered by a conjunctival flap that was advanced with the help of a relaxing incision in the superior conjunctiva fornix. The dissecting bleb was successfully managed by controlling intraocular pressure, and the patient became asymptomatic without any medication. The light microscopic examination of the bleb showed irregularly arranged collagen bundles and hypocellularity of the subconjunctival tissue with places of nodular configuration of the fibroblast in the periphery. Surgical partial excision of the dissecting glaucoma filtering bleb is a reliable, simple, and precise method. Advancing the conjunctival flap by a superior conjunctival relaxing incision facilitates easy mobilization of the flap, ensures healthy resurfacing of the bleb, and prevents postoperative transconjunctival leakage. Histopathology of the bleb is compatible with the use of MMC during original filtering surgery.
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