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alopecia (ălˌəpēˈshēə): see baldness.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



(baldness), thinning or complete absence of hair in an isolated area or on the entire surface of the skin.

Alopecia is usually localized on the scalp and face; less frequently, it is localized in the armpits, the pubic region, or elsewhere. Congenital, premature, senile, and other forms of the disease exist. Symptomatic alopecia—the result of acute infections, nervous diseases, poisoning, endocrine disorders, fungal diseases, or secondary syphilis—is characterized by the temporary focal or diffuse loss of hair in any region of the body; the skin remains unaltered at the morbid site. Alopecia areata, a special type of baldness, is manifested by the sudden appearance of hairless foci that are round or oval and well defined. With the merging of these foci, complete baldness can occur; the skin is unchanged and subjective sensations are absent. Angioneurosis and endocrine disorders are the principal causes of alopecia areata.

Congenital alopecia is rarely encountered; the manifestation of a developmental disorder, it is usually noticed at birth or in the first months of life. Premature alopecia is observed most often in men 20 to 25 years of age. The condition is characterized by the gradual, progressive loss of hair from the scalp. The skin in such cases becomes thin, and its texture, silky. In women affected with premature alopecia, only a thinning of hair occurs. In both men and women, senile alopecia progresses in a manner similar to premature alopecia but sets in at a later age (55–60 years). Senile alopecia is a result of normal physiological aging.

Treatment of alopecia involves the administering of vitamins A, B1, and B6, of hormones, and furocoumarin preparations—peucedanin, Beroksan, Ammifurin—in combination with ultraviolet irradiation. Topical measures include physiotherapy, massage, and rubbing with tinctures of cayenne pepper.


Zalkind, E. S. Bolezni volos. [Leningrad] 1959.
Mnogotomnoe rukovodstvopo dermatovenerologii, vol. 3. Moscow, 1964.


The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


Loss of hair; baldness.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


loss of hair, esp on the head; baldness
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Tosti et al., "How not to get scar(r)ed: Pointers to the correct diagnosis in patients with suspected primary cicatricial alopecia," British Journal of Dermatology, vol.
The medical treatment of cicatricial alopecia. Semin Cutan Med Surg.
Among 23 patients with undiagnosed disorders, 7 had traction folliculitis/alopecia; 7 had cicatricial alopecia, 4 had seborrheic dermatitis, 3 had female pattern hair loss, 1 had lichen planopilaris, and 1 had chemical breakage.
Of the 100 patients, 21 had alopecia areata (AA), 27 had telogen effluvium (TE), 38 had male androgenetic alopecia (MAGA), 9 had female androgenetic alopecia (FAGA) and 5 had cicatricial alopecia. Various types of cicatricial alopecia included: 3 cases of discoid lupus erythematosus (DLE) and 2 cases of lichen planopilaris.
DIFFERENTIAL DIAGNOSIS: Tufted Folliculitis is an easily missed entity as it mimics various dermatological conditions that lead to cicatricial alopecia. Differential diagnosis in the early stages are: Acne keloidalis nuchae, folliculitis decalvans, follicular lichen planus and relapsing staphylococcal folliculitis.
Likewise, cicatricial alopecia shows undiagnosed prevalence in African-American females according to a study by Dr.
A differential diagnosis for female pattern hair loss could include telogen effluvium, chronic telogen effluvium, loose anagen syndrome, and cicatricial alopecia. The presence of focal atrichia-erasersized areas where the patient doesn't have any hair-may be a useful clue to FPHL.
There was cicatricial alopecia on scalp at few places.
This was later modified as modified WAA-QOL to suit the Indian population in a study conducted by Pradhan et al.7, to assess the psychosocial impact in cicatricial alopecia. This modified WAA-QOL used in the present study includes 20 question distributed among three domains: emotion, social and function.
Examination revealed cicatricial alopecia over the scalp and face with small, discrete, spiny papules with follicular plugging present on a normal looking skin over the trunk and limbs.
Knopp said the threshold for biopsying patients with darkly pigmented skin should be lower to rule out an early cicatricial alopecia.