Pale bodies in hepatocellular carcinoma.
10.3346/jkms.2000.15.5.516
- Author:
Woo Sung MOON
1
;
Hee Chul YU
;
Myoung Ja CHUNG
;
Myung Jae KANG
;
Dong Geun LEE
Author Information
1. Department of Pathology, Chonbuk National University, Medical School, Institute for Medical Science, Chonju, Korea. mws@moak.chonbuk.ac.kr
- Publication Type:Original Article
- Keywords:
Carcinoma, Hepatocellular;
Fibrinogen
- MeSH:
Albumins/analysis;
Carcinoma, Hepatocellular/pathology*;
Cytoplasm/ultrastructure;
Cytoplasm/pathology;
Cytoplasm/chemistry;
Endoplasmic Reticulum, Rough/ultrastructure;
Endoplasmic Reticulum, Rough/pathology;
Endoplasmic Reticulum, Rough/chemistry;
Fibrinogen/analysis;
Human;
Inclusion Bodies/ultrastructure;
Inclusion Bodies/pathology*;
Inclusion Bodies/chemistry;
Liver Neoplasms/pathology*;
Male;
Microscopy, Electron;
Middle Age;
Periodic Acid-Schiff Reaction
- From:Journal of Korean Medical Science
2000;15(5):516-520
- CountryRepublic of Korea
- Language:English
-
Abstract:
Histochemical, immunohistochemical and ultrastructural studies were performed on cases of hepatocellular carcinoma (HCC) with pale bodies (PB). HCC containing PBs was observed in 3 (5.5%) of 55 consecutively resected HCC cases. Histologically, a large number of hepatocytes displayed pale or eosinophilic staining of the cytoplasm, resulting in ground-glass appearance. They were aggregated in nodular pattern, or diffusely intermixed with other malignant hepatocytes. PBs were negative for periodic-acid Schiff and Masson's trichrome staining. The inclusions showed a strong positive reaction for fibrinogen and some of them were weakly positive for albumin but negative for hepatitis B surface antigen, hepatitis B core antigen, alpha-fetoprotein and alpha-1-antitrypsin. Ultrastructurally, PBs were membrane-bound and contained granular materials of moderate electron density, and were closely related to dilated rough endoplasmic reticulum. These findings support that PBs are secretory fibrinogen accumulated in cystic ER and that such intracellular accumulation possibly reflects a defective transport of fibrinogen.
