J Korean Assoc Oral Maxillofac Surg.  2020 Apr;46(2):155-159. 10.5125/jkaoms.2020.46.2.155.

Early-diagnosed silent sinus syndrome and cone-beam computed tomography in a pediatric patient: a case report

Affiliations
  • 1Department of Stomatology, Federal University of Paraná, Curitiba, Brazil
  • 2Department of Therapeutic Stomatology, Institute of Dentistry, Sechenov University, Moscow, Russia
  • 3Department of Otorhinolaryngology, Paraná State Institute of Otorhinolaryngology (IPO), Curitiba
  • 4Division of Oral Radiology, Faculdade São Leopoldo Mandic, Instituto de Pesquisas São Leopoldo Mandic, Campinas, Brazil

Abstract

Chronic maxillary atelectasis (CMA) is a progressive alteration in the volume of the maxillary sinuses that may result in facial asymmetry. CMA in asymptomatic patients is known as silent sinus syndrome (SSS) and is a rare entity, especially in pediatric patients. This study reports a case of SSS in a pediatric patient who received an early diagnosis through cone-beam computed tomography (CBCT). An asymptomatic 12-year-old female patient in orthodontic treatment presented with opacification of the left maxillary sinus on a panoramic radiograph. Clinically, the patient had discrete hypoglobus and enophthalmos. CBCT and nasal video-endoscopy revealed ostiomeatal obstruction with bone deformity, leading to diagnosis of SSS. Endonasal endoscopic maxillary sinusotomy was performed. Two years later, the patient remained asymptomatic, and a second CBCT exam confirmed a stable condition. This case highlights the role of optimal radiographic interpretation for early diagnosis of maxillofacial alterations in pediatric patients.

Keyword

Cone-beam computed tomography; Diagnosis; Maxillary sinus; Atelectasis; Surgery
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