Mei Yan, Zhao Ping
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2014 Dec;28(23):1899-900.
Patients with bilateral nasal vestibule area swelling of 1 week, no obvious pain and symptoms of nasal congestion, bilateral nasal vestibule area was highly uplifted, nostril was significantly smaller, both sides existed a palpable 2. 0 cm × 2. 2 cm and 2. 0 cm × 2. 0 cm cystic mass. Ultrasound showed both sides of the nasal bonehad cystic lesions. Sinus CT showed local quasicircular soft tissue shadow at the bottom of bilateral piriform aperture. The postoperative pathology report: the cystiform tissue is covered with squamous epithelium, infiltration of inflammatory cells could be seen and is consistent with the diagnosis of bilateral nasalvestibular cyst.