case_images: PMC4362193_01
case_images: Clinical photo showing a mass in the left postero-lateral aspect of the neck (arrow).
case_images: SaudiMedJ-36-101-g001.jpg
case_images: PMC4362193_01_SaudiMedJ-36-101-g001.jpg
case_images: F1
case_images: On examination, there was a neck swelling involving the left postero-lateral aspect of the upper neck, which was hard, non tender and fixed to the skin and deep neck structures (Figure 1), her CT scan is showed in Figure 2.
case_images: Computed tomography scan of the neck showing a soft tissue mass at the upper neck lateral to the sterno-cleidomastoid muscle, and infiltrating the deep lateral cervical muscles and surrounding superficial and deep fat (arrow).
case_images: SaudiMedJ-36-101-g002.jpg
case_images: PMC4362193_01_SaudiMedJ-36-101-g002.jpg
case_images: F2
case_images: On examination, there was a neck swelling involving the left postero-lateral aspect of the upper neck, which was hard, non tender and fixed to the skin and deep neck structures (Figure 1), her CT scan is showed in Figure 2.
case_images: Histopathology (hematoxylin & eosin stain; x40 magnification) revealing a proliferation of uniform fibroblasts in a collagenous stroma (black star), with infiltration of adjacent adipose and skeletal muscle tissues (white star).
case_images: SaudiMedJ-36-101-g003.jpg
case_images: PMC4362193_01_SaudiMedJ-36-101-g003.jpg
case_images: F3
case_images: Histopathology revealed a proliferation of uniform fibroblasts in a collagenous stroma, with infiltration of adjacent adipose and skeletal muscle tissues with negative excision margins except the part adjacent to carotid (Figure 3).