Please use this identifier to cite or link to this item: https://doi.org/10.1136/bjo.85.3.350
Title: Vascular patterns in pterygium and conjunctival autografting: A pilot study using indocyanine green anterior segment angiography
Authors: Chan, C.M.L.
Chew, P.T.K. 
Alsagoff, Z.
Wong, J.S.
Tan, D.T.H. 
Issue Date: 2001
Citation: Chan, C.M.L., Chew, P.T.K., Alsagoff, Z., Wong, J.S., Tan, D.T.H. (2001). Vascular patterns in pterygium and conjunctival autografting: A pilot study using indocyanine green anterior segment angiography. British Journal of Ophthalmology 85 (3) : 350-353. ScholarBank@NUS Repository. https://doi.org/10.1136/bjo.85.3.350
Abstract: Aims - To characterise the vasculature of pterygium using indocyanine green (ICG) anterior segment angiography and to demonstrate the pattern of revascularisation following conjunctival autografting. Methods - ICG anterior segment angiography was performed on nine patients with pterygium. Angiography was repeated at 1-2 weeks and 2 months following conjunctival autografting in these patients. Results - Angiography showed a single feeder vessel originating from the anterior conjunctival circulation in six cases (66.7%). This vessel branched to form the radial vessels of the pterygium. Following conjunctival autografting, reperfusion of the vessels in the conjunctival autograft was demonstrable as early as 1 week postoperatively from the episcleral bed. At 2 months postoperatively, the graft appeared well perfused with mild leakage demonstrable at the edges of the graft. Conclusions - A single feeder vessel from the anterior conjunctival circulation branches to form the radial vessels in pterygium. Reperfusion of conjunctival autografts occurs as early as 1 week postoperatively from the episcleral bed.
Source Title: British Journal of Ophthalmology
URI: http://scholarbank.nus.edu.sg/handle/10635/130363
ISSN: 00071161
DOI: 10.1136/bjo.85.3.350
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