ライフサイエンスコーパス: venous phase

1 ic phase and 32 seconds later for the portal venous phase.

2 peak small-bowel mural enhancement), and the venous phase.

3 67 patients revealed no endoleak during the venous phase.

4 type II endoleaks were seen only during the venous phase.

5 isointensity or hypointensity at the portal venous phase.

6 phase and 4.15 HU +/- 8.5 during the portal venous phase.

7 hancement for change from arterial to portal venous phase.

8 aximal enhancement as measured during portal venous phase.

9 tumor conspicuity was seen during the portal venous phase.

10 10 unidirectional scan phases, followed by a venous phase.

11 d-echo MR imaging in the arterial and portal venous phases.

12 then injected at 4 mL/sec, and arterial and venous phase (60 seconds) CT images were obtained.

13 nced abdominal scanning, arterial and portal venous phase acquisitions were obtained 45 and 80 second

14 (n = 50) or at end inspiration (n = 50), and venous phase acquisitions were obtained at the opposite

15 hanced CT was followed by arterial phase and venous phase acquisitions.

16 ring the arterial phase and weighted-average venous phase acquisitions.

17 e detected by using combined nonenhanced and venous phase acquisitions.

18 Reduction in tumor enhancement in the portal venous phase also occurred immediately after TACE, with

19 s included spiral scanning during the portal venous phase and thick-slab minimum intensity projection

20 tained during the nonenhanced, arterial, and venous phases and high SI, similar to the azygos vein SI

21 SC SI ratios on nonenhanced, arterial phase, venous phase, and delayed phase images were 0.92, 0.98,

22 osteoid osteoma had peak enhancement in the venous phase, and one showed progressive enhancement thr

23 phase, the three arterial phases, the portal venous phase, and the late dynamic phase.

24 ity in the arterial phase and washout in the venous phase) at contrast material-enhanced computed tom

25 (n = 70) with routine nonenhanced and portal venous phase contrast agent-enhanced liver CT imaging wi

26 On portal venous phase contrast-enhanced CT scans, attenuation gre

27 entified in 90 patients who underwent portal venous phase contrast-enhanced CT.

28 LSN scores from portal venous phase contrast-enhanced thick-section CT images h

29 ors conclude that noninvasive peroral portal venous phase CT enterography with use of water is an acc

30 Thereafter, 30 portal venous phase CT images of the liver exhibiting one of th

31 The early and late portal venous phase CT images that were available in one case d

32 ve as the combination of arterial and portal venous phase CT in these patients.

33 Portal venous phase CT revealed a focal high-attenuation parenc

34 The mean effective dose for DE venous phase CT was 11.1 mSv compared with 27.8 mSv for

35 The combination of nonenhanced and portal venous phase CT was as effective as the combination of a

36 At portal venous phase CT, enhancement similar to blood pool enhan

37 vs 95% [114 of 120]; P = .0008) than portal venous phase CT.

38 using true nonenhanced, arterial phase, and venous phase data.

39 of a perfectly coregistered CT angiogram and venous phase-enhanced CT scan simultaneously in a single

40 contrast material is injected for the portal venous phase followed approximately 35 seconds later by

41 er hyperattenuating foci were seen on portal venous phase images (P < .001) and whether hyperattenuat

42 tumors detected on arterial phase and portal venous phase images and unenhanced T1- and T2-weighted s

43 (helical biphasic CT), and CTAP plus portal venous phase images at separate sittings.

44 imal or no enhancement on arterial phase and venous phase images but intense enhancement--similar to

45 Ten tumors were seen on portal venous phase images but not on CTAP images owing to the

46 depicted 13 and 23 tumors not seen on portal venous phase images in eight (35%) and 13 (56%) of 23 pa

47 f multiple dynamic arterial phase and portal venous phase images increased detection of HCC but not m

48 rison of delayed phase images with SSFSE and venous phase images may help to distinguish the CC seen

49 Venous phase images were acquired from the diaphragm to

50 intrasplenic hyperattenuating foci on portal venous phase images were classified as having active spl

51 The nonenhanced and venous phase images were evaluated to determine if an en

52 , the observers detected 74 tumors on portal venous phase images, 82 tumors on hepatic arterial phase

53 ase images, nine on both arterial and portal venous phase images, and 11 on only unenhanced SE images

54 ly arterial phase images, one on only portal venous phase images, nine on both arterial and portal ve

55 adiologists retrospectively evaluated portal venous phase images, portal venous phase plus hepatic ar

56 Of eight lesions overlooked on portal venous phase images, six were seen on nonenhanced images

57 rterial phase images, and 76 (69%) on portal venous phase images.

58 d isoattenuation with liver tissue on portal venous phase images.

59 ns were graded as more conspicuous on portal venous phase images; 10 were graded as more conspicuous

60 of hepatic arterial phase imaging to portal venous phase imaging (helical biphasic CT) provided an i

61 injury, arterial phase is superior to portal venous phase imaging for pseudoaneurysm but inferior for

62 whether hyperattenuating foci seen at portal venous phase imaging were further characterized as activ

63 ncluded unenhanced and pancreatic and portal venous phase imaging, with a single contrast material in

64 0] vs 98% [88 of 90]; P = .0168) than portal venous phase imaging.

65 e imaging would depict an endoleak missed at venous phase imaging.

66 0] vs 72% [65 of 90]; P = .0165) than portal venous phase imaging.

67 of multidetector CTA alone and combined with venous-phase imaging (CTA-CTV) for the diagnosis of acut

68 tral imaging) combines pancreatic and portal venous phases in a single scan: 70 seconds before CT, 10

69 aging during the hepatic arterial and portal venous phases in one scan.

70 All patients underwent portal venous phase intravenous contrast material-enhanced abdo

71 Renal venous phase MR angiograms depicted all seven instances

72 Portal venous phase multidetector CT images are highly specific

73 tases in 208 patients was measured on portal venous phase multidetector CT images by using a single R

74 -detector-array CT scanner during the portal venous phase of contrast material enhancement.

75 the early arterial and also during the late venous phase of contrast-enhancement, also lower than th

76 s more clearly delineated on 3D-CTA than the venous phase of conventional RA.

77 ectively) than with the pancreatic or portal venous phase of the standard protocol (43.5 HU +/- 28.4

78 reath-hold technique during the arterial and venous phases of a high-dose (42 mL) bolus injection of

79 ment and temporal separation of arterial and venous phases of enhancement for dual-phase spiral CT.

80 contrast material in the arterial or portal venous phases of enhancement.

81 who underwent CT in the arterial and portal venous phases of image acquisition during a 74-month per

82 s (P < .001) but not between the enteric and venous phases (P = .18).

83 Arterial phase and portal venous phase pelvic CT angiograms were evaluated for evi

84 hepatic arterial phase images, 49 on portal venous phase phase images, and 30 on delayed phase image

85 biphasic CT images, and 96 tumors on portal venous phase plus CTAP images.

86 evaluated portal venous phase images, portal venous phase plus hepatic arterial phase images (helical

87 (PPP) followed by a rapid decline on portal venous phase (PVP) and delayed phase (DP) at 5 minutes (

88 noma underwent unenhanced and HAP and portal venous phase (PVP) helical CT studies.

89 the hepatic arterial phase (HAP) and portal venous phase (PVP).

90 ncreatic parenchymal phase (PPP), and portal venous phase (PVP).

91 n 74% and 76% of lesions in the arterial and venous phases, respectively.

92 ition of arterial phase scans in addition to venous phase scans does not result in improved detection

93 onds after contrast material administration; venous phase scans, 70-100 seconds after administration.

94 s was greater on arterial phase scans and on venous phase scans, respectively (P < .001).

95 erial phase studies in 47-50 patients and on venous phase studies in 48-53 patients (P > .10).

96 (arterial phase) and steady-state (arterial-venous phase) three-dimensional gradient-echo MR angiogr

97 ease in volumetric enhancement in the portal venous phase (VE).

98 e cone-beam CT in early arterial and delayed venous phases was assessed retrospectively with blinding

99 trast attenuation measurements during portal venous phase were obtained in liver, portal vein, and ao

100 ular network filled in the arterial or early venous phase, while the polyp-like structures filled som

101 ) sequences were performed during the portal venous phase with a single-source fast-switching dual-en

102 CT images obtained only during the portal venous phase would have resulted in eight (14%) overlook