Endoscopic removal of a dental foreign body from maxillary sinus via anterior prelacrimal recess approach: a case report / 临床耳鼻咽喉头颈外科杂志

We present a rare case of dental foreign body from maxillary sinus in a 21-year woman who was hospitalized because of oral cavity and nasal sinus leak for 3 months when doing cheek-bulging action. Admission diagnosis :dental maxillary sinus"foreign body" (left); chronic maxillary sinusitis (left). Computed tomographic scan showed irregular high density shadow in the left maxillary sinus. The "foreign body" was removed via anteri- or prelacrimal recess approach, which was supposed to be the iatrogenic foreign body - alveolar bone.

Application of endoscopic nasal lateral wall dissection in lesions of the maxillary sinus / 临床耳鼻咽喉头颈外科杂志

OBJECTIVE@#To investigate the application of endoscopic nasal lateral wall dissection in lesions of the maxillary sinus.@*METHOD@#Ten hospitalized patients with the maxillary sinus lesions were treated with the endoscopic nasal lateral wall dissection.@*RESULT@#All 10 patients were unilateral invasion. Among them, 7 cases were inverted papilloma, 2 cases were recurrent antrochoanal polyps, 1 case was sinusal tooth. The tumors and antrochoanal polyps originated from the every part of the maxillary sinus wall during operation, especially from the anterior and media wall. During 10-62 months follow-up,epithelization of nasal occured and the shape of inferior turbinate was well. All of them had no epiphora.@*CONCLUSION@#Endoscopic nasal lateral wall dissection can remain the function of nasal lacrimal duct and nasal cavity,and may provide a new minimally invasive approach for complete resection of lesions of nasal cavity and the maxillary sinus.

Transnasal endoscopic marsupialization for treatment of maxillary cysts / 临床耳鼻咽喉头颈外科杂志

OBJECTIVE@#To evaluate the effectiveness and usefulness of transnasal endoscopic surgery for the treatment of maxillary cysts.@*METHOD@#Transnasal endoscopic surgery was performed in 13 patients with maxillary cysts that extended to the maxillary sinus or the nasal bottom. Five patients had a radicular cyst, three patients had a dentigerous cyst, three patients had a nasolabial cyst and two patients had a median cyst. After the resection of anterior edge of the inferior turbinate or the nasal bottom, the lateral wall of the inferior nasal meatus was opened. Then, the cyst wall of the maxillary sinus was partially or completely removed under the endoscope.@*RESULT@#The cyst walls were completely or partial removed in 13 patients with maxillary cysts. There were no complications, and postoperative courses were uneventful. The follow-up period ranged from 6 to 36 months, and no recurrence were noted in any of the cases.@*CONCLUSION@#Endoscopic transnasal surgery for the maxillary cyst is less invasive than conventional dental approach, and most of the affected teeth can be preserved. This technique appears to be a simple and highly effective surgical treatment for the treatment of patients with maxillary cysts that extend to the maxillary sinus or the nasal bottom.