J Korean Dent Sci.  2017 Dec;10(2):60-65. 10.5856/JKDS.2017.10.2.60.

Clinical Characteristics of Postoperative Maxillary Cyst

  • 1Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University, Daegu, Korea. jypaeng@gmail.com


The purpose
of this study is to analyze the clinical features of postoperative maxillary cyst (POMC) according to the patient's medical history of previous sinus operation and symptoms with radiological characteristics.
The subjects of this study were 41 patients who had been diagnosed with POMC via clinical and histological examination from 2007 to 2016. RESULT: Thirty-five patients had medical histories of Caldwell-Luc procedures and four patients had maxillary sinus surgery, such as cyst enucleation and open reduction for maxillary bony fractures. From the computed tomography images, 25.6% (11/43) showed multilocular cysts and 74.4% (32/43) showed unilocular lesions. As for the treatment methods, cyst enucleation was conducted on 34 patients, and among them, three were treated previously with marsupialization. Their symptoms included diverse locations of pain and swelling.
The clinical features of POMC varied from unilocular to multilocular and the symptoms included pain and swelling.


Cyst; Maxillary sinus; Sinusitis
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