Research Article

Colorectal Carcinoma: Local Tumor Staging and Assessment of Lymph Node Metastasis by High-Resolution MR Imaging in Surgical Specimens

Table 3

Diagnostic accuracy of high-resolution MR imaging for evaluating the depth of invasion in colorectal carcinoma.

Depth of invasionSensitivitySpecificityAccuracy

Mucosa 96/96 (100)0/0 (NA)96/96 (100)
Submucosa77/77 (100)17/19 (89)94/96 (98)
Muscularis propria62/62 (100)33/34 (97)95/96 (99)
Subserosa/serosa or adventitia46/47 (98)47/49 (96)93/96 (97)

Note. Data represent the diagnostic accuracy for invasion of each layer of the colorectal wall in 96 carcinomas. Values in parentheses are percentages. NA: not applicable.