Case 6:   Abscess (pyogenic)

Diagnostic Category:

Clinical Presentation:

64 year old African American man with Ig A Kappa monoclonal gammopathy who presented with abdominal pain and tenderness.

CT: Unilocular, with perifocal edema and contained perforation

Imaging Findings:

Pyogenic liver abscess, confirmed on exploratory laparotomy, which revealed gram positive cocci.  CT shows a unilocular subacute liver abscess in segment 4 of the left lobe with a thin capsule, surrounding hypodense edema and focal contained rupture superiorly (see coronal reconstruction). Mild pericardial effusion.

Courtesy Tarun Pandey, MD, Hemendra Shah, MD, University of Arkansas for Medical Sciences, AK, USA.

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