Purpose To determine the effect of granuloma formation in the ostium and intralesional steroid injections (ISIs) on the surgical outcome after endoscopic dacryocystorhinostomy (DCR) in patients with primary acquired nasolacrimal duct obstruction (PANDO). Methods One hundred and eighty-three cases involving 142 patients were enrolled. The ostium granulomas were classified according to their location relative to the internal common opening (superior, anterior, and posterior positions) and to the vicinity of the ostium (inner, edge, and extra types). If an ostium granuloma was observed during the follow-up and its size increased, ISIs were performed using 0.3 ml of 40 mg/ml triamcinolone acetonide. The surgical outcomes were compared between cases with and without ostium granulomas and also between each granuloma position and type. Results Ostium granulomas occurred in 71 (38.8%) of the 183 cases, and an ISI was applied in 65 cases with a mean of 2.1 injections. All of the granulomas regressed successfully after ISIs, with the success rate not differing between the cases with (85.9%) and without (83.9%) granuloma. There was no association between granuloma location and surgical outcome. However, the functional outcome was worse (60%) for inner granulomas (which are located within the ostial base) than for extra (87.8%)
Graefe's Archive for Clinical and Experimental Ophthalmology – Springer Journals
Published: Jun 1, 2018
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