We don't have a clear understanding as to what might trigger alopecia areata or the family of hair loss conditions that occur under it, including AU. Alopecia areata can present in different ways, though most commonly, it causes round patches of hair loss on the scalp. In fact, alopecia universalis is considered to be the most advanced presentation of alopecia areata (AA), an autoimmune disease that causes hair loss. Viktoryia Kazlouskaya, a dermatologist with the University of Pittsburgh. “Alopecia universalis is a type of alopecia areata,” explained Dr. What Causes It: The Alopecia Areata Connection
#Alopecia universalis vs alopecia areata skin
People with AU can also lose nasal hair or pubic hair.īurning, itching or other discomforts of the skin in the affected areas may occur, but some people only experience hair loss. The most common characteristics and symptoms that could signal the onset of AU include the loss of hair on the scalp and body, as well as the eyebrows and eyelashes. Therefore, alopecia universalis is a rare, unique and specific kind of hair loss that affects the entire body. It is estimated to impact up to 200,000 people in the United States. The word “alopecia” refers to hair loss, and universalis refers to its total impact. When most people hear “hair loss,” they think of hair loss on the scalp, but with alopecia universalis, the associated loss presents quite differently.
What is alopecia universalis? How is it treated, and is it reversible? Read on to unpack this particular type of hair loss, including what you might expect with this condition, expert tips for managing alopecia universalis. But beyond the primary visible loss of hair - down at the level of our follicles and the bodily systems that impact them- the causes of hair loss can be quite complex and varied. All rights reserved.Hair loss may seem like a singular event and an unsettling one at that. AA prevalence is lower in adults than children, is increasing over time, and significantly differs by region.Īlopecia areata alopecia ophiasis alopecia totalis alopecia universalis epidemiology meta-analysis prevalence systematic review.Ĭopyright © 2019 American Academy of Dermatology, Inc. 0001).ĪA affects 2% of the global population. AA prevalence was significantly lower in adults (1.47% ) than children (1.92% P <. AA prevalence (95% confidence interval) increased over time (2009: 3.22% P <. Ninety-four studies met the inclusion criteria. Random-effects meta-analysis was used because of significant heterogeneity (I 2 = 99.97%). At least 2 reviewers performed study title/abstract review and data extraction. MEDLINE, Embase, LILACS, Scopus, Cochrane Library, and GREAT were searched. To determine the prevalence, incidence, and predictors of AA, alopecia totalis, alopecia ophiasis, and alopecia universalis.Ī systematic review of all published cohort and cross-sectional studies that analyzed AA and its subtypes. Previous studies found conflicting results about AA epidemiology. Alopecia areata (AA) is a common autoimmune alopecia with heterogeneous severity and distribution.
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