Endoscopic Denker Operation for Radical Maxillary Antrostomy

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** An endoscopic surgical approach that allows for complete exposure of the anterior, inferior and lateral recesses of the maxillary sinus in order to access both infratemporal and pterygopalatine fossae for excision of large sinonasal neoplasms along with other involved tissues.

**Synonyms:** - Denker operation for radical maxillary antrotomy