A 31-year-old female presented with a palpable swelling for 3 years over the left lower abdominal wall with recent increase in size. Figure 1 (axial T1W), Fig. 2 (axial T2 fat-saturated), Fig. 3 (DWI and ADC) and Fig. 4 (early arterial and venous phase post contrast T1 fat-saturated) MR images were acquired. Post-biopsy photomicrographs are also provided (Figs. 5 and 6).

Fig. 1
figure 1

Axial T1

Fig. 2
figure 2

Axial T2 FS

Fig. 3
figure 3

ab DWI image and ADC images

Fig. 4
figure 4

ab Post-contrast T1 FS images in early arterial and venous phase

Fig. 5
figure 5

ab H & E stain photomicrographs at 4× and 20× magnification respectively

Fig. 6
figure 6

Photomicrograph of IHC for CD34