Acral arteriolar ectasia is characterized by purple
serpiginous
Serpiginous, first known to be used in the 15th century, is a term from Latin serpere to creep, usually referring to a creeping, snakelike or slowly progressive skin disease.
It is used to describe the rash in cutaneous larvae migrans, erythema an ...
ectatic
arterioles
An arteriole is a small-diameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries.
Arterioles have muscular walls (usually only one to two layers of smooth muscle cells) and are the primar ...
on the back of the fingers, presenting in the fifth decade of life.
[James, William; Berger, Timothy; Elston, Dirk (2005). ''Andrews' Diseases of the Skin: Clinical Dermatology''. (10th ed.). Saunders. Page 586. .]
A distinct vascular malformation, to our knowledge not described before, is reported. The malformation consists of purple serpiginous vessels on the dorsa of the digits, first arising in the fifth decade of life. The vessels are ectatic arterioles and are believed to represent a rare vascular malformation.
See also
*
List of cutaneous conditions
Many skin conditions affect the human integumentary system—the organ system covering the entire surface of the body and composed of skin, hair, nails, and related muscle and glands. The major function of this system is as a barrier against t ...
References
{{Dermal-growth-stub
Dermal and subcutaneous growths