Biller D S, Kantrowitz B, Miyabayashi T
Department of Surgical Sciences, University of Wisconsin-Madison.
J Vet Intern Med. 1992 Mar-Apr;6(2):71-6. doi: 10.1111/j.1939-1676.1992.tb03154.x.
Radiographically, the liver may appear normal even if severely diseased. Ultrasonography can be an important adjunct in the evaluation of diffuse parenchymal hepatic disease. Diffuse liver disease appears ultrasonographically as a change in liver echogenicity from normal when compared with the renal cortex or spleen. Diffuse liver disease can be characterized as either hyperechoic due to fatty change, steroid hepatopathy, and cirrhosis or hypoechoic due to congestion, suppurative hepatitis, and lymphoma. Ultrasonographic diagnosis of diffuse liver disease should be substantiated by biopsy and histopathologic evaluation.
在影像学上，即使肝脏病变严重，其外观也可能正常。超声检查在评估弥漫性肝实质疾病时可作为一项重要的辅助手段。弥漫性肝病在超声检查中表现为与肾皮质或脾脏相比，肝脏回声与正常情况有所改变。弥漫性肝病可表现为因脂肪变性、类固醇性肝病和肝硬化而呈高回声，或因充血、化脓性肝炎和淋巴瘤而呈低回声。弥漫性肝病的超声诊断应通过活检和组织病理学评估来证实。
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