Fig. 2. Unruptured epidermal cyst. (A) Well-demarcated bluish 2×2 cm subcutaneous nodule. (B) Dermoscopic view showing a arborizing telangiectasia consisting of vessels with different diameter and several branches. (C) Microscopic view showing prominent dilated vessels with congestion of blood flow between the epidermis and cystic wall (patient 9 in the unruptured-cyst group).
