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<p>Paranasal sinus mucoceles are benign, expansile lesions arising due to obstruction of sinus drainage pathways. While frontal and ethmoidal sinuses are commonly involved, maxillary sinus mucoceles are rare and often associated with prior surgical or traumatic events. Postoperative maxillary mucocele (POMM) is a delayed complication that can occur following procedures involving the maxillary sinus, such as dental extractions. We report the case of a 17-year-old male who presented with progressive right-sided cheek swelling and nasal obstruction 6&#xa0;months after undergoing dental cyst extraction from the right upper alveolus. Clinical evaluation and imaging revealed an expansile, soft-tissue lesion in the right maxillary sinus with thinning of sinus walls, consistent with a mucocele. Endoscopic examination confirmed medial displacement of the lateral nasal wall with polypoidal changes. The patient underwent successful middle meatal antrostomy and surgical clearance of the mucocele, resulting in significant symptomatic improvement. POMM should be considered in patients presenting with delayed facial swelling or nasal obstruction following dental or sinus procedures. Early diagnosis, achieved through imaging and endoscopic assessment, followed by surgical marsupialization, yields excellent outcomes with minimal recurrence. This case underscores the importance of long-term follow-up in patients who have undergone prior maxillary sinus interventions.</p>

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Unexpected Postoperative Complication of Dental Cyst Extraction: A Case Report on Maxillary Mucocele

  • 期刊论文

  • 发表日期：

    2025年10月3日

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  • Pooja Varshini Raja,
  • Vijendra S. Shenoy,
  • Dheeraj Korambeth,
  • Rahul Kunnath

摘要

Paranasal sinus mucoceles are benign, expansile lesions arising due to obstruction of sinus drainage pathways. While frontal and ethmoidal sinuses are commonly involved, maxillary sinus mucoceles are rare and often associated with prior surgical or traumatic events. Postoperative maxillary mucocele (POMM) is a delayed complication that can occur following procedures involving the maxillary sinus, such as dental extractions. We report the case of a 17-year-old male who presented with progressive right-sided cheek swelling and nasal obstruction 6 months after undergoing dental cyst extraction from the right upper alveolus. Clinical evaluation and imaging revealed an expansile, soft-tissue lesion in the right maxillary sinus with thinning of sinus walls, consistent with a mucocele. Endoscopic examination confirmed medial displacement of the lateral nasal wall with polypoidal changes. The patient underwent successful middle meatal antrostomy and surgical clearance of the mucocele, resulting in significant symptomatic improvement. POMM should be considered in patients presenting with delayed facial swelling or nasal obstruction following dental or sinus procedures. Early diagnosis, achieved through imaging and endoscopic assessment, followed by surgical marsupialization, yields excellent outcomes with minimal recurrence. This case underscores the importance of long-term follow-up in patients who have undergone prior maxillary sinus interventions.