Feasible temperature of percutaneous microwave ablation of dog liver abutting the bowel.

Purpose: This study used a dog model to determine the optimal temperature of percutaneous microwave ablation that causes complete necrosis of liver but not the adjacent bowel, supporting the use of this method to specifically and effectively treat liver tumour abutting the bowel.

Materials And Methods: Ultrasound-guided percutaneous microwave ablation of liver abutting the bowel was performed on healthy adult dogs. Temperature of the ablation margin was monitored and controlled through inserted thermal monitoring needles.

[Intra-nasal scanning of tumors in nasal cavity and paranasal sinus with endoscopic ultrasonography].

Objective: To evaluate endoscopic ultrasonography for masses in nasal cavity and paranasal sinus.

Methods: Under the guidance of nasal endoscope, sonographic scan of 18 masses within nasal cavity and paranasal sinus was performed by using 10 MHz catheter transducer with diameter of 3.3 mm under local anesthesia.