Colorectal disease
Conditions
Interventions
Gold Standard:MRI+histologically proven colorectal cancer (CRC)
Index test:Quantitative index: Hounsfield units (HU), SD, signal-to-noise (SNR) and contrast-to-noise (CNR)
Qualitative index: overall image quality (ranging from 1 = poor overall image quality to 5 =
Sponsors
Department of Gastrointestinal Surgery, West China Hospital, Sichuan University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Age> 18 years old, < 85 years old; 2. Colorectal adenocarcinoma confirmed by colonoscopy and biopsy pathology (including tubular adenocarcinoma, papillary adenocarcinoma, mucinous adenocarcinoma, signet ring cell carcinoma, etc.); 3. Able to understand the study protocol and willing to participate in this study, providing written informed consent.
Exclusion criteria
Exclusion criteria: 1. Age 85 years old; 2. Combined with intestinal obstruction, intestinal perforation, intestinal bleeding, etc., requiring emergency surgical resection; 3. History of hepatobiliary surgery; 4. Primary liver cancer; 5. Pregnant or lactating women; 6. Severe mental disorders; 7. Have contraindications to MRI examination; 8. Inability to understand the conditions and objectives of this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Signal-to-Noise Ratio, SNR;Contrast-to-Noise Ratio, CNR;Overall image quality;Lesion delineation;Image noise; | — |
Secondary
| Measure | Time frame |
|---|---|
| CT values; | — |
Countries
China
Contacts
Public ContactLie Yang
Department of Gastrointestinal Surgery, West China Hospital, Sichuan University
Outcome results
None listed