Prevalence of Histological Features of Idiopathic Noncirrhotic Portal Hypertension in General Population: a Retrospective Study of Incidental Liver Biopsies

Overview

Journal Hepatol Int

Publisher Springer

Specialty Gastroenterology

Date 2017 Jun 10

PMID 28597108

Citations 11

Authors

Chunlai Zuo

Vaibhav Chumbalkar

Peter F Ells

Daniel J Bonville

Hwajeong Lee

Affiliations

Soon will be listed here.

Abstract

Background: Idiopathic noncirrhotic portal hypertension (INCPH) is associated with histologic changes secondary to obliterative portal venopathy without cirrhosis. We studied the prevalence of individual histological features of INCPH in liver biopsies obtained incidentally during unrelated elective procedures and in elective liver biopsies with the diagnosis of fatty liver disease.

Methods: A total of 53 incidental liver biopsies obtained intraoperatively during unrelated elective procedures and an additional 28 elective biopsies with the diagnosis of fatty liver disease without portal hypertension and cirrhosis were studied. Various histologic features of INCPH were evaluated.

Results: Shunt vessel (30%), phlebosclerosis (27%), increased number of portal vessels (19%) and incomplete septa (17%) were common in these liver biopsies after confounding factors such as co-existing fatty liver disease or fibrosis were excluded. At least one feature of INCPH was noted in 90% of the biopsies. Eight (10%) biopsies showed 5-6 features of INCPH. In total, 11 (14%) of 81 patients had risk factors associated with INCPH, including hypercoagulability, autoimmune disease, exposure to drugs, and infections. No patient had portal hypertension at the end of the follow-up.

Conclusion: The histologic features of INCPH are seen in incidental liver biopsies and fatty liver disease without portal hypertension. Ten percent of the biopsies show 5-6 features of INCPH without portal hypertension. Interpreting histologic features in the right clinical context is important for proper patient care.

Citing Articles

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Kmeid M, Zuo C, Lagana S, Choi W, Lin J, Yang Z Diagn Pathol. 2020; 15(1):129.

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