Clinical, histopathological, and immunohistochemical spectrum of hepatolithiasis: a tertiary care center-based study from north India

被引:1
|
作者
Rajasekaran, Sangamitra [1 ]
Mitra, Suvradeep [1 ]
Parkhi, Mayur [1 ]
Das, Ashim [1 ]
Bhattacharyya, Shalmoli [2 ]
Gupta, Rajesh [3 ]
Gupta, Vikas [3 ]
Kurdia, Kailash [3 ]
Kalra, Naveen [4 ]
Duseja, Ajay [5 ]
机构
[1] PGIMER, Dept Histopathol, Chandigarh 160012, India
[2] PGIMER, Dept Biophys, Chandigarh 160012, India
[3] PGIMER, Dept Surg Gastroenterol, Chandigarh 160012, India
[4] PGIMER, Dept Radiodiag, Chandigarh 160012, India
[5] PGIMER, Dept Hepatol, Chandigarh 160012, India
关键词
Hepatolithiasis; Cholesterol-stone; Apomucin; MDR3; BSEP; Histopathology; RECURRENT PYOGENIC CHOLANGITIS; BILIARY EPITHELIAL-CELLS; BILE; EXPRESSION; LIVER; PATHOGENESIS; GALLSTONES;
D O I
10.1007/s00428-023-03613-7
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
Hepatolithiasis (HL), an uncommon disease among Indians, occurs due to a complex interplay of various structural and functional factors. We retrospectively evaluated the clinical and histopathological spectrum of HL (N = 19) with immunohistochemical evaluation for biliary apomucins and canalicular transporter proteins, both crucial for lithogenesis. Nineteen surgically resected cases were included. Histopathology was systematically evaluated. Immunohistochemistry for apomucins (MUC1, MUC2, MUC4, MUC5AC, and MUC6) and canalicular transporter proteins (BSEP and MDR3) was applied to all cases. The median age was 51 years with female preponderance (F:M = 1.4:1). The stone was cholesterol-rich in 71.4% and pigmented in 28.6% (n = 14). Histopathology showed variable large bile-duct thickening due to fibrosis and inflammation with peribiliary gland hyperplasia. Structural causes (Caroli disease, choledochal cyst, and post-surgical complication) were noted in 15.8% of cases (secondary HL). Expression of gel-forming apomucin MUC1, MUC2, and MUC5AC was seen in either bile duct epithelia or peribiliary glands in 84.2%, 10.5%, and 84.2% cases respectively. Loss of canalicular expression of MDR3 was noted in 42.1% of cases while BSEP was retained in all. Primary HL in the north Indian population can be associated with the loss of MDR3 expression (with retained BSEP) and/ or a shift in the phenotype of biliary apomucins to gel-forming apomucins. The former factor alters the bile acid/ phospholipid ratio while the latter parameter promulgates crystallization. In conjunction, these factors are responsible for the dominantly cholesterol-rich stones in the index population.
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收藏
页码:491 / 505
页数:15
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