This Article Abstract Full Text Full Text (PDF) Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Akahoshi, K Articles by Nawata, H Search for Related Content PubMed PubMed Citation Articles by Akahoshi, K Articles by Nawata, H

Transit endoscopic ultrasound of colorectal cancer using a 12 MHz catheter probe

Departments of ¹Gastroenterology, ²Surgery and ³Pathology, Aso Iizuka Hospital, Iizuka 820-8505 and ⁴The Third Department of Internal Medicine, Faculty of Medicine, Kyushu University, Fukuoka 812-0054, Japan

View larger version (127K): [in a new window]   Figure 1. Sonoprobe System, SP-701: 12 MHz mechanical radial transducer.

View larger version (116K): [in a new window]   Figure 2. Five-layered structure of normal colonic wall imaged using the 12 MHz ultrasound catheter probe. m, mucosa; sm, submucosa; mp, muscularis propria; ss,s, subserosa, serosa, or adventitia.

View larger version (132K): [in a new window]   Figure 3. Ultrasound catheter probe scan of a T1 tumour. A hypoechoic mass (large arrow) extends into the submucosa (arrow-sm). Note that the muscularis propria is intact beneath the hypoechoic mass.

View larger version (140K): [in a new window]   Figure 4. Ultrasound catheter probe scan of a T3 tumour. A hypoechoic mass (arrow) extends through the muscularis propria into the serosal layer.

View larger version (60K): [in a new window]   Figure 5. Ultrasound catheter probe scan of a lymph node metastasis (arrow) in a patient with rectal cancer.