Vascular structures most commonly seen in nonmelanocytic tumors^[1-3]

The presence of a given vessel morphology is not exclusive to a particular diagnosis. For example, arborizing vessels are commonly seen in basal cell carcinoma, but they can also be seen in melanoma and intradermal nevi. Another example would be that although hairpin vessels are commonly associated with seborrheic keratoses, they can also be seen in melanoma. With that said, this table highlights vessels that are most commonly associated with nonmelanocytic tumors.