Idiopathic portal hypertension misdiagnosed as hepatitis B cirrhosis: A case report and review of the literature

Figure 4 Presentation on pathologic tissue sections. A: Multiple small dilated veins are observed in certain confluent areas, with some herniated into the surrounding hepatic parenchyma, the small bile ducts appear normal, and no infiltration of inflammatory cells is seen; B: Some confluent areas are mildly fibrotic, and the small portal veins are occluded; C: CD34 staining reveals occluded portal veins (orange arrow).