Segmental Atrophy of Explanted Livers in Biliary Atresia: Pathological Data From 63 Cases of Failed Portoenterostomy.
Journal
Journal of pediatric gastroenterology and nutrition
ISSN: 1536-4801
Titre abrégé: J Pediatr Gastroenterol Nutr
Pays: United States
ID NLM: 8211545
Informations de publication
Date de publication:
01 01 2021
01 01 2021
Historique:
pubmed:
2
9
2020
medline:
22
6
2021
entrez:
2
9
2020
Statut:
ppublish
Résumé
Atrophy of the left lateral segment (LLS) is often encountered in liver transplantation (LT) for biliary atresia (BA). To clarify the meaning of the heterogeneous atrophy, we compared the pathological characteristics of the LLS with the right posterior segment (RPS) of BA livers obtained during LT. Among the 116 patients with BA who underwent LT at our hospital between 2014 and 2018, 63 patients with persistent cholestasis after the Kasai portoenterostomy (KP) were selected. Three pathologists evaluated tissues from the LLS and RPS for 5 pathological parameters. Positive areas in whole-slide image observed as portal inflammation, fibrosis, cholestasis, and ductular reaction, were analyzed with automated image quantitation. Moreover, we examined the relationship between the pathological score and the Pediatric End-stage Liver Disease (PELD) score. The median age at LT was 7 months (range 4-26 months). Inflammation and fibrosis were significantly greater in the LLS than in the RPS (P < 0.001, for both); however, there were no differences in cholestasis, ductular reaction, and hepatocellular damage (P = 0.3, 0.3, and 0.82). The same results were obtained in automated image quantitation. Moreover, the sums of the 5 pathological scores in the LLS showed a significant positive correlation with the PELD score (P = 0.016, rs = 0.3). More severe inflammation and fibrosis without cholestasis were observed in the LLS. The segmental atrophy may not be associated with poor bile drainage, but with etiopathogenesis of BA. Moreover, the proper site for biopsy during KP could be the LLS.
Identifiants
pubmed: 32868669
pii: 00005176-202101000-00020
doi: 10.1097/MPG.0000000000002929
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
88-94Informations de copyright
Copyright © 2020 by European Society for Pediatric Gastroenterology, Hepatology, and Nutrition and North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition.
Déclaration de conflit d'intérêts
The authors report no conflicts of interest.
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