Inflammatory pseudotumor of the liver: An enigmatic lesion with polyclonal plasma cell proliferation

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Abstract

Five cases of inflammatory pseudotumour of the liver are reported and compared with seven individual previously published case reports. Clinical presentation was variable but often comprised low grade intermittent fever, vague abdominal symptoms, and a history of weight loss. Leucocytosis, raised erythrocyte sedimentation rate, and polyclonal hyperglobulinaemia were also sometimes detected. All five cases in the present series were considered to be clinically malignant; and in two the histological diagnosis was also that of malignancy.

The lesion is clearly inflammatory and reactive, but the aetiology remains unknown.

Ancillary