Case Study
Speedboat Submucosal Dissection (SSD) of a Large G-Type LST of Lower Rectum Involving the Anal Canal
A 63-year-old female patient with history of hypothyroidism referred for rectal bleeding, weight loss and a positive FIT test (65 µg/g). In colonoscopy an 80 mm G-type LST with 2 dominant nodules was found in lower rectum and partly involving the dentate line/anal canal.
Polyp characteristics:
- Morphology (Paris classification/G/NG): G-type LST
- SMSA score: 14
- Pit Pattern/Vascular Pattern (NICE-Sano)/JNET: mostly Kudo IIIL but possibly Kudo V on nodules. NBI NICE type 2, Sano IIA, JNET 2B
Dr Sergio Coda,
Consultant Specialist GI Endoscopist
Director of Bowel Cancer Screening Programme at BHR University Hospitals NHS Trust, UK
