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  • Title: Inflammatory pseudotumor of the liver mimicking a malignancy: case report.
    Author: Wei KL, Liu NJ, Tseng JH, Lee WC, Chen TC.
    Journal: Chang Gung Med J; 2000 Jul; 23(7):432-7. PubMed ID: 10974759.
    Abstract:
    Inflammatory pseudotumor (IPT) is a rare lesion of the liver that can be clinically indistinguishable from a malignant tumor. A 51-year-old woman was hospitalized for upper abdominal pain and a weight loss of 5 Kg in 2 months. Radiological examination showed a large heterogenous hypervascular mass in the left lobe of her liver, strongly in favor of hepatocellular carcinoma. However, an ultrasound-guided liver biopsy revealed the typical characteristics of IPT, which consist of plump spindle cells with dense inflammatory cell infiltration. A left lobectomy was performed. No microorganisms were found on stained sections. The markedly elevated eosinophil count reverted to normal postoperatively and she remained well on follow-up examination 8 months after discharge. This case exemplifies the difficulty in radiological diagnosis of hepatic IPT and underscores the importance of its histological differentiation from malignancy before laparotomy.
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