Anomalous Cloquet's canal in a case of optic nervehead coloboma associated with extensive retinal detachment.

Akiba, Jun; Yoshida, Akitoshi; Ohta, Isao; Igarashi, Hiromasa; Kakehashi, Akihiro

doi:10.1136/bjo.77.6.381

Cited by 2 publications

(1 citation statement)

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“…It is suggested that traction exerted by posterior vitreous induces small tear in transparent collagen-lined pocket of the herniated dysplastic retina opens the hole for fluid movement [10][11][12]. Presence of remnants of Cloquet's canal extending to the pit margin; or fibers of posterior vitreous moving downwards to the optic disc pit; (also seen in our SOCT images) potentially confirm the aforementioned traction mechanism [13]. While it is generally accepted that fluid enters the subretinaly/ intraretinaly via the optic disc pit it is stressed that the most efficient method of treatment should be rerouting fluid influx from the subretinal space.…”

Section: Discussionsupporting

confidence: 75%

Subretinal Tissue Glue Injection in Surgery of Macular Detachment Associated With Congenital Optic Disc Pit

Jurowski¹,

Górnik²

2016

J Clin Exp Ophthalmol

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Congenital optic disc pit is a rare finding that develops from incomplete closure of the embryonic choroid fissure. Maculopathy is a major cause of visual deterioration. The treatment of the macular detachments associated with congenital optic disc pits remains controversial however it is emphasized that rerouting fluid from subretinal space may be efficient method. Main drawback of commonly use surgical methods is slow reabsorption of fluid taking weeks or even months. We report a different surgical approach in 2 patients consisting of vitrectomy, subretinal tissue glue injection followed by gas tamponade that allowed achieving very fast functional and anatomic recovery within 1 month.

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