Fig. 1: Gross and imaging features of soft tissue tumors. | Modern Pathology

Fig. 1: Gross and imaging features of soft tissue tumors.

From: Xanthogranulomatous epithelial tumors and keratin-positive giant cell-rich soft tissue tumors: two aspects of a single entity with frequent HMGA2-NCOR2 fusions

Fig. 1

A–C Case 1. A Gross photograph showing a well-circumscribed subcutaneous tumor with yellow cut surface. B Grayscale sonogram longitudinal to the mass in the coronal plane shows a hypoechoic solid mass (arrow) centered in the subcutaneous fat, extending from the skin surface in a vertical growth pattern to the abut the fascia of the adductor muscle group (M). C Color Doppler image of the lesion in the transverse plane depicts extensive vascularity of the mass. D, E Case 2. D Axial T1-weighted MR image shows a mass that is slightly hyperintense to muscle and centered in the subcutaneous fat, separated from the deep peripheral fascia by a thin fat plane (arrow). Radius (R) and ulna (U) are labeled for orientation. E Axial T2-weighted, fat-suppressed MR image shows the lesion to be hyperintense to muscle with central areas of fluid signal intensity.

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