PubMed · 8594498
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J Hartikainen, H Seppä, R Grenman. 1996. External DCR.. https://doi.org/10.1016/s0161-6420(96)30721-5
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In this retrospective study 56 dacryocystographies (DCG) were performed preoperatively in 50 patients with epiphora, due to obstruction in the lacrimal drainage system. We found DCG to be an easy and sufficient examination of patients with uncomplicated epiphora without suspicion of tumour. Tumours in the lacrimal drainage system are rare, and CT-scan or MR-imaging as a routine examination is not indicated. DCG provides a fair prediction regarding success rate of the dacryocystorhinostomy operation (DCR). We found the DCR to be successful in 91.7% when the obstruction was located distally, but only in 45.5% when the obstruction was in the canaliculi. Further investigations are necessary to clarify whether higher success rates after surgery can be obtained in patients with canalicular obstruction by using the DCG-findings more specifically when planning operation type.
PURPOSE: To determine whether simultaneous silicone intubation of the osteotomy and the nasolacrimal duct is advantageous in some dacryocystorhinostomy procedures. METHODS: Silicone tubing was placed through both the osteotomy and the nasolacrimal duct in two patients who underwent dacryocystorhinostomy for dacryolithiasis. RESULTS: Postoperatively, signs and symptoms of nasolacrimal obstruction were relieved, and lacrimal irrigation confirmed anatomic patency of the tear drainage canals in both cases. CONCLUSIONS: Simultaneous intubation of the osteotomy and the nasolacrimal duct prevents prolapse of the silicone stent and may decrease the frequency of postoperative scarring.