PMC6243296_01
Contrast-enhanced CT scan shows a large, poorly marginated, homogeneous tumour involving the skin and subcutaneous fat. The right axillary lymph nodes are of large size, suggesting lymph node metastases.
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fig1
Axial contrast-enhanced CT scan showed a large, poorly marginated homogeneous soft tissue mass in the cutaneous and subcutaneous compartments of the right axilla, and the tumour was slightly enhanced after intravenous administration of contrast medium (Figure 1).
(a) Coronal 2D T1 weighted SE MRI revealing homogeneous mass of slightly increased signal intensity compared with normal muscle (TR = 659 ms, TE = 20 ms, FA = 90 , SL = 8 mm, matrix = 512 x 512). Coronal 2D T2 weighted SE MRI showing both the subcutaneous tumour and the axillary lymph nodes had intermediate signal intensity. The lumen of the subclavian artery is intact (TR = 2697 ms, TE = 90 ms, FA = 90 , SL = 8 mm, matrix = 512 x 512). fat-suppressed contrast-enhanced T1 weighted SE MRI showing diffuse, homogeneous contrast enhancement. Subcutaneous stranding, skin thickening and marginal septal enhancement (arrow) are also present (TR = 659 ms, TE = 20 ms, FA = 90 , SL = 8 mm, matrix = 512 x 512). 2D, two-dimensional; FA, fractional anisotropy; SE, spin echo; SL, slice; TE, echo time; TR, repetition time.
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fig2
Coronal T1 weighted MRI revealed a homogeneous mass of slightly increased signal intensity compared with normal muscle (Figure 2a). On T2 weighted MRI, both the subcutaneous tumour and the axillary lymph nodes had intermediate signal intensity (Figure 2b). Fat-suppressed contrast-enhanced T1 weighted MRI showed homogeneous contrast enhancement (Figure 2c).