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Table 2 CT attenuation patterns of tumor, pancreas upstream and pancreas downstream to the tumor at quantitative analysis by triphasic CT

From: Detection of small (≤ 2 cm) pancreatic adenocarcinoma and surrounding parenchyma: correlations between enhancement patterns at triphasic MDCT and histologic features

 

Pancreas upstream to the tumor (n = 38)*

Pancreas downstream to the tumor (n = 25)**

CT pattern of tumor attenuation

Hyperdense

Hypodense

Isodense

Hyperdense

Hypodense

Isodense

PPP

9 (23.7)

22 (57.9)

7 (18.4)

-

25 (100)

-

PVP

5 (13.1)

24 (63.2)

9 (23.7)

-

22 (88)

3 (12)

DP

10 (26.3)

7 (18.4)

21 (55.3)

6 (24)

14 (56)

5 (20)

  1. PPP: pancreatic parenchymal phase; PVP = portal venous phase; DP = delayed phase. *CT/histologic assessment in 38/38 patients; **CT/histologic assessment in 25/38 patients. Number in brackets indicates the percentage.