PMC6818343_01
CT scan.
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The diagnostic work-up included a CT scan on the neck (Fig. 1), revealing a median, infrahyoid cystic mass, which was multilocular and almost 7 cm in diameter.
Surgery: a. submental mass; b. and c. dissection of the cyst; d. surgical specimen; e. cyst's removal bed.
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Under general anaesthesia, a Sistrunk procedure was performed by a maxillofacial surgery trainee, supervised by a maxillofacial surgeon (Fig. 2).
Histopathology - bronchogenic cyst lined by a ciliated columnar epithelium with seromucinous glands and a fibrous wall. a. ciliated columnar epithelium (H&E, 400x); b. seromucinous glands (H&E, 40x/200x).
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The histopathological exam showed a multilocular cyst lined by a ciliated columnar epithelium with seromucinous glands and a fibrous wall (Fig. 3).
5 months follow-up.
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The patient had no complications and no local recurrence at 18 months of follow-up (Fig. 4).