November 2016

Author: Sarah S. Kassaby MD, East Tennessee State University, Johnson City, TN, U.S.A

Reviewed by Christopher J. VandenBussche MD PhD, The Johns Hopkins University School of Medicine

A 65-year-old female presents complaining of worsening right abdominal pain. Imaging studies show a 4 cm mesenteric mass. A transabdominal CT guided FNA is performed. Diff-Quik and Papanicolaou-stained smears are shown (Figures 1-6).

Fig 1 2016 Nov
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Fig 2 2016 Nov
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Fig 3 2016 Nov
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Fig 4 2016 Nov
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Fig 5 2016 Nov
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Fig 6 2016 Nov
Fig. 6

What is the most likely diagnosis?