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Hum Pathol. 1991 Apr;22(4):387-95.

Lymphoplasmacytic sclerosing pancreatitis with cholangitis: a variant of primary sclerosing cholangitis extensively involving pancreas.

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1
Department of Pathology, Tokyo Metropolitan Komagome Hospital, Japan.

Abstract

Pancreatic involvement in primary sclerosing cholangitis (PSC) is an extremely rare condition, and its pathologic features are poorly documented. We report two cases of an unusual lymphoplasmacytic sclerosing inflammatory disease involving the total pancreas, common bile duct, gallbladder, and, in one patient, the lip. Two elderly men presented with waxing and waning obstructive jaundice, and exhibited radiologic and ultrasonographic findings highly suggestive of pancreatic carcinoma. Gross appearance of the pancreas showed firm and mass-like enlargement with regional lymph node swelling. Histologic findings were characterized by diffuse lymphoplasmacytic infiltration with marked interstitial fibrosis and acinar atrophy, obliterated phlebitis of the pancreatic veins, and involvement of the portal vein. Similar inflammatory processes involved the bile duct and the gallbladder. Lymphoplasmacytic sclerosing pancreatitis with cholangitis is thought to be a more appropriate term for this condition, of which a similar lesion has been previously noted in a single case of "PSC involving pancreas". Differences in age, radiologic appearance, and the negative history of ulcerative colitis exist, but the two cases in this study could be considered as a variant of PSC extensively involving pancreas, which can readily be mistaken for pancreatic carcinoma.

PMID:
2050373
[Indexed for MEDLINE]

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