PMC9878591_01
Diagnostic imaging findings (A) contrast-enhanced computed tomography (B) cholangiography.
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F1
Contrast-enhanced computed tomography showed dilation of the common bile duct (maximum diameter: 5 cm) (Figure 1A), suggesting CBD. There was no gallbladder atrophy, which is seen in I cyst-type biliary atresia (Figure 1B).
Histopathological findings at hepaticojejunostomy. Chronic hepatitis and fibrosis, F3, A2. (A) Intraoperative findings (B) An enlarged portal area and bridging fibrosis were observed (Hematoxylin Eosin staining x10). (C) Proliferation of regenerated bile ducts and the infiltration of neutrophils and lymphocytes were observed (Hematoxylin Eosin staining x200).
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F2
Histopathologically, the liver specimen showed chronic hepatitis and fibrosis (F3A2) based on the new Inuyama classification (Figures 2A,B).
Histopathological findings of a needle liver biopsy specimen obtained six months later. Chronic hepatitis and fibrosis, F2-3, A1. (A) Persistent portal area enlargement was observed. The inflammatory findings had improved (Hematoxylin Eosin staining x10). (B) Persistent bridging fibrosis was observed (AZAN staining x10).
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F3
A histopathological examination showed mild improvement of chronic hepatitis and fibrosis (F2-3A1) (Figures 3A,B).