PMC3404478_01
Coronal computed tomography (A) of twin A and (B) of twin B showing bilateral cystic masses in the inferior meatus and a dilated nasolacrimal duct system.
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F1
CT showed classic bilateral cystic masses in the inferior meatus (Fig. 1 A). Twin B initially presented with only bilateral eye discharge and CT confirmed a dilated NLD system (Fig. 1 B).
Nasal endoscopy showing a cystic mass in the (A) left inferior and the (B) right inferior meatus of twin A. Nasal endoscopy showing a cystic mass in the (C) left inferior and the (D) right inferior meatus of twin B.
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F2
B subsequently developed early signs of bilateral infected dacryocystoceles the following day. Both patients underwent lacrimal probing and endoscopic marsupialization of the bilateral nasal cysts, with biopsy specimens consistent with dacryocystoceles (Fig. 2, A-D).