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. 2010 Nov 16;101(12):2586–2590. doi: 10.1111/j.1349-7006.2010.01706.x

Table 2.

 Time course of computed tomography lymphography for the detection of SN after injection of contrast agent

Case number Time course Time to the first appearance of SN (min) Time to greatest nodal enhancement (min) and HU at that time
1 min 3 min 5 min 10 min
 1 NE + 10 10 (46.3 HU)
 2 + + + 3 10 (88.0 HU)
 3 NE + + 3 3 (77.2 HU)
 4 NE + + 5 10 (85.6HU)
 5 + + + + 1 1 (126.1HU)
 6
 7 + + + + 1 1 (92.0HU)
 8
 9 + + + + 1 3 (133.5HU)
10 + + + 3 3 (273.4HU)
11 + + + 3 3 (100.0HU)
12 + + + + 1 5 (86.2HU)
13 + + + + 1 1 (102.8HU)
14
15 + + + + 1 3 (723.0HU)
16 + + + + 1 3 (78.2HU)
17 + + + + 1 1 (101.3HU))
18
19 + + + + 1 5 (69.6HU))
20 + + + 3 3 (361.2HU)
21 + + + 1 5 (199.7HU)
22 + + + + 1 10 (210.5HU)
23 + + 3 10 (157.9HU)
24 + + + + 1 1 (140.0HU)
Detection rate 11/21 (52.4%) 17/24 (70.8%) 19/24 (79.2%) 19/24 (79.2%)

HU, Hounsfield units; NE, not examined; SN, sentinel node.