Several cases of HNPCC (hereditary nonpolyposis colorectal cancer). Posted by: Tokyo Pref., Cooperative study between National Cancer Center and Kyushu Cancer Center Case of TIC(Tele Image Conference)

Date of entry 2000/09/21 Number of image 49 Sex - Age -

[ Image ID:88 ]
A small sessile polyp (arrows) is present in the transverse colon in initial film. Five year and 6 months later, anannular carcinoma has develop. Sessile polyps in HNPCC also have an ability to become an advanced carcinoma as in sporadic carcinoma.

Detailed data.

Criteria of Hist.Classification	Malignant epithelial tumor/Adenocarcinoma
Location	Large intestine(Colon)/Transverse colon
Technique, Method	X-ray
Macroscopic Types	Type 2 Ulcerated type with clear margin/
Size	40 -
Depth of Tumor Invasion	serosa (adventitia)
Multiple neoplasm in same organ	Metachronous
Multiple neoplasm in another	Metachronous