Korean J Otorhinolaryngol-Head Neck Surg.  2021 Aug;64(8):580-584. 10.3342/kjorl-hns.2020.00640.

A Case Report of 41-Year-Old Female with Fibrous Dysplasia Combined with Ethmoid Mucocele

Affiliations
  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea

Abstract

Fibrous dysplasia (FD) is a non-malignant progressive condition, which replaces normal bone and marrow with fibrous tissue and woven bone. Sinus mucocele is a cystic, expansile, and destructive lesion that occurs as a result of obstruction of the sinus ostium secondary to inflammation, trauma, anatomical variation, previous sinus surgery, tumor or FD. Among them, FD combined with mucocele has been rarely reported. Here we report the first case of FD combined with ethmoid mucocele. The patient underwent endoscopic debulking of FD and marsupialization of mucocele. The mucocele was successfully marsupialized, and the patient’s symptoms were completely resolved. We propose a new hypothesis that nasal mucosa invaginates into FD and forms a mucocele. For the treatment of ethmoid FD combined with mucocele, we recommend an endoscopic transnasal approach for debulking and marsupialization.

Keyword

Craniofacial fibrous dysplasia; Ethmoid sinus; Mucocele; Transnasal endoscopic surgery.
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