Fig. 5

Neck skin tissue paraffin section. (Light microscope). (A) H&E staining× 10: The epidermis layer is normal; some blue stained structures are clustered in the dermis layer (Scale bar: 100 μm); (B) H&E staining× 40: The blue, irregular stained structures demonstrate calcinosis of the elastic fiber, the red stained areas are collagen fibers (Scale bar: 50 μm)