Abstract:
BACKGROUND AND AIMS:Researchers have not clearly described the clinical and pathogenetic features of hypoganglionosis and adult-onset Hirschsprung's disease, which cause pseudo-obstruction or intractable constipation. We conducted this study to explore these features of hypoganglionosis and adult-onset Hirschsprung's disease in Korean patients. METHODS:We enrolled 24 patients pathologically confirmed as having hypoganglionosis and 11 as having adult-onset Hirschsprung's disease. We recruited 26 subjects who had undergone operation for nonobstructive colon cancer and 45 healthy volunteers as controls. We described their clinical features, investigated ganglion cells and interstitial cells of Cajal (ICC), and analyzed RET, EDNRB, EDN3, and SOX10 genes. RESULTS:We classified hypoganglionosis patients into two groups: type I (focal type, n = 13), with focally narrowed transition zone (TZ); and type II (diffuse type, n = 11), without transition zone. Hypoganglionosis patients had significantly fewer ganglion cells than the controls, and those cells were scarcer in the transition zone than in the proximal dilated area (P < 0.05). The ICC numbers in both diseases were significantly lower than in controls; however, they were similar between transition zone and the proximal dilated area in hypoganglionosis. In adult-onset Hirschsprung's disease, two significant intronic RET polymorphic variants, IVS14-24G>A and IVS19+47T>C, were significantly associated with adult-onset Hirschsprung's disease (P = 0.0122 and 0.0295, respectively), but not with hypoganglionosis. CONCLUSIONS:Hypoganglionosis and adult-onset Hirschsprung's disease have different pathophysiologic characteristics, although their clinical presentations are similar. We suggest that there are two subgroups of hypoganglionosis: those with or without a focally narrowed transition zone with a profoundly diminished number of ganglion cells.
journal_name
Dig Dis Scijournal_title
Digestive diseases and sciencesauthors
Do MY,Myung SJ,Park HJ,Chung JW,Kim IW,Lee SM,Yu CS,Lee HK,Lee JK,Park YS,Jang SJ,Kim HJ,Ye BD,Byeon JS,Yang SK,Kim JHdoi
10.1007/s10620-010-1522-9subject
Has Abstractpub_date
2011-06-01 00:00:00pages
1818-27issue
6eissn
0163-2116issn
1573-2568journal_volume
56pub_type
杂志文章abstract::Patients with persistently normal ALT affected with HCV-related chronic hepatitis exist. The natural history of liver disease in these patients was demonstrated to be very slow and progression to cirrhosis likely absent. The case we report describes the occurrence of hepatocellular carcinoma (HCC) in a patient with pe...
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