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Authors: Jennifer A. Collins, DO, MPH and Christopher J. VandenBussche MD PhD, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA

A 54 year old male with a 15.3 cm left thigh mass that partially encircles the femur. Fine needle aspiration of the mass resulted in smears (Figures 1-5) and cell block material (Figure 6).

Fig 1 2015 December
Fig. 1
Fig 2 2015 December
Fig. 2
Fig 3 2015 December
Fig. 3
Fig 4 2015 December
Fig. 4
Fig 5 2015 December
Fig. 5
Fig 6 2015 December
Fig. 6

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