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Computed tomographic dacryocystography of patient no. 12 showing superiorly displaced opaci� ed lacrimal sac on the right side (arrowhead) with medial canthal thickening on axial section (A); arrow showing contrast in the canaliculus; (B - axial scan), (C - reformatted coronal scan) and (D - reformatted sagittal scan) showing contrast in the nasolacrimal duct in the patent left side and absence of contrast in the right nasolacrimal duct (arrow) |
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