Abstract:
:The aim of this study was to determine whether the sensitivity of indium-111 (111In) scanning in the assessment of the activity and extent of Crohn's disease correlates with the severity of intestinal lesions as measured by the newly validated Crohn's disease endoscopic index of severity (CDEIS). Nineteen patients with active (CDAI > 200) colonic (N = 11) or ileocolonic (N = 8) Crohn's disease were assessed by colonoscopy and indium scanning. The intestine was divided into five segments in both studies (rectum, sigmoid and left colon, transverse colon, right colon, and ileum). Seventy of the 86 intestinal segments seen at colonoscopy presented macroscopic lesions of Crohn's disease. On third-hour scintigrams 111In uptake was observed in 52 segments, 51 of which were found to be abnormal at colonoscopy. Predictive positive and negative values of scanning with respect to disease extent assessment were equal to 98% and 44%, respectively. Complete agreement between endoscopic and scintigraphic findings was observed in only six of the 19 patients (32%). Segmental endoscopic indexes of severity (SEIS) were significantly (P < 0.001) lower in false negative (7.9 +/- 4.2) (mean +/- SD) than in true positive (18.0 +/- 9.7) segments as defined by scintigraphy. SEIS values above which 111In uptake was constantly observed did not differ in the different disease locations. When compared macroscopically abnormal intestinal segments according to their 111In uptake grade, the corresponding mean SEIS values increased significantly as the grade increased. Scintigraphic activity, as assessed by the fall in splenic activity, was equal to 23 +/- 11% (N = 19).(ABSTRACT TRUNCATED AT 250 WORDS)
journal_name
Dig Dis Scijournal_title
Digestive diseases and sciencesauthors
Heresbach D,Bretagne JF,Raoul JL,Moisan A,Siproudhis L,Devillers A,Gosselin Mdoi
10.1007/BF01303166subject
Has Abstractpub_date
1993-09-01 00:00:00pages
1601-7issue
9eissn
0163-2116issn
1573-2568journal_volume
38pub_type
杂志文章abstract::The growth of the human gastrinoma model (PT) in athymic nude mice is stimulated by bombesin (BBS), an amphibian peptide homologous to both human gastrin-releasing peptide (GRP) and neuromedin B (NMB). The mechanism is not known, and a potent and specific GRP-R antagonist BIM26226, which has low affinity for NMB-R, wa...
journal_title:Digestive diseases and sciences
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