subtotal maxillary resection

The tumor is limited to the anterior wall of the maxillary sinus, the inferior wall and the lower part of the medial wall. It does not invade the ethmoid sinus, sphenoid sinus or fundus. Some maxillary bone can not cure the tumor, and it can be used for submaxillary removal. Treatment of diseases: maxillary sinus malignancy, maxillary sinus cancer Indication The tumor is limited to the anterior wall of the maxillary sinus, the inferior wall and the lower part of the medial wall. It does not invade the ethmoid sinus, sphenoid sinus or fundus. Some maxillary bone can not cure the tumor, and it can be used for submaxillary removal. Preoperative preparation 1. Apply antibiotics after surgery to prevent infection. 2. The stuffing began to be gradually extracted 48 hours after the oozing stopped. 3. Surgical 5 ~ 7d stitching. 4. After the wound is healed, the operation cavity should be flushed every day to keep the operation cavity clean to promote epithelial growth of the surgical cavity. The tray should be cleaned daily. Surgical procedure 1. The incision from the affected side of the medial malleolus 0.5cm along the nasal side around the nose to the nasal column, the middle of the midline cut the upper lip. It extends along the cleft lip from the midline to the posterior edge of the third molar, reaching the bone. Before the incision, the eye ointment should be applied to the eye and the upper and lower eyelids should be sutured to protect the cornea from damage. 2. After separating the incision, the flap and its underlying soft tissue are turned up, but the periosteum of the anterior wall of the maxillary sinus is not separated to expose the anterior portion of the maxilla. 3. Remove the incisors of the patient, cut the periosteum in the middle of the hard palate, cut to the posterior edge of the third molar along the posterior edge of the hard palate, and connect with the cleft lip incision. 4. Using a chainsaw or osteotome, the upper edge of the maxillary bone is excavated, but the bottom of the jaw is reserved, but the joint between the maxilla and the humerus is cut off. The hard palate is cut in the midline and should be 1 cm away from the edge of the tumor. The lateral margin of the maxilla was excised and the tumor was subtotaled for maxillary resection. 5. Clean up the surgical cavity and peel off all the mucosa of the residual sinus cavity. 6. The wound of the operation cavity should be electrocauterized, covered with gelatin sponge, and then blocked with iodoform gauze to place the tray. 7. The flap is sutured after the flap is restored. When the midline incision is sutured, the red line of the lip should be aligned and sutured.