Alcoholic Hepatic Disease: Specificity of IgA Deposits in Liver

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Abstract
The extent to which the immunofluorescent phenomenon of homogeneous deposition of IgA in the hepatic sinusoids (so-called continuous pattern) was specific for alcoholic hepatic disease was investigated. In 66 of 320 liver biopsy specimens a continuous IgA pattern was observed. Alcoholism was mentioned in the cases of 50 of the 66 patients (76%). The biopsy specimens in the remaining 254 cases continued scanty detectable IgA (discontinuous pattern) or none. In the latter group only eight patients (3%) had histories of alcoholism. A direct correlation between a continuous IgA pattern in the hepatic sinusoids and alcohol abuse is thus inferred (P < 0.001). Additional findings of the concomitant occurrence of IgA in the perisinusoidal linings of the liver, the walls of superficial cutaneous capillaries, capillaries of the gut, and the glomerular mesangium in association with alcoholic hepatic disease further substantiates the concept of the existence of an IgA-associated disease.

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