ObjectiveTo compare the clinical diagnostic value of ultrasonography (USG), computed tomography (CT), and magnetic resonance imaging (MRI) for nasolabial cysts.MethodsThe clinical and imaging data of 20 patients with 21 nasolabial cysts confirmed surgically and histopathologically were retrospectively analyzed.ResultsThe largest cyst was 3.4 × 2.7 × 2.3 cm, and the smallest cyst was 1.1 × 0.7 × 0.5 cm. All cysts were located in the soft tissue between the nasolabial fold and maxillary bone. USG showed...