Acquired amegakaryocytic thrombocytopenia previously diagnosed as idiopathic thrombocytopenic purpura in a patient with hepatitis C virus infection

Figure 1 Histopathological features of liver biopsy specimen and clot section of bone marrow aspirate. A: The liver biopsy specimen shows fibrous portal expansion. There is no fibrous bridging (Elastica-Goldner staining, scale bar; 500 μm); B: Mild piecemeal necrosis, mild intralobular degeneration and focal necrosis, and moderate portal inflammation are observed (H and E staining, scale bar; 200 μm); C: The clot section of bone marrow aspirate shows normal numbers of megakaryocytes and other cell lineages are preserved (Periodic Acid Schiff staining, scale bar; 100 μm).