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Dermatology 2002;205(4):367-73
Acute Diffuse and Total Alopecia of the Female Scalp. a new subtype of diffuse alopecia areata that has a favorable prognosis.
Background: Athough alopecia areata (AA) usually starts with focal lesions of hair loss and then presents several different clinical forms, AA may begin as diffuse hair loss. We examined 9 female patients who presented with acute, diffuse and total hair loss of the scalp and took a similar clinical course with a favorable prognosis. Objective: To categorize such cases as a new subgroup of diffuse alopecia. Methods: We studied 9 patients who showed acute, diffuse and total hair loss of the scalp within 1 month after their first visit to our hospital by comparing their clinical course, laboratory tests and histopathological findings with those of common, patchy AA, alopecia totalis or alopecia universalis. Results: None of the patients had a background of systemic diseases or telogen effluvium. All the patients were female, and 8 of the 9 cases recovered cosmetically acceptable hair growth within 6 months regardless of steroid administration. The histology of he lesions was indistinguishable from that of AA except for a remarkable eosinophilic infiltrate. Conclusions: These cases can be categorized as a new subtype of inflammatory noncicatricial alopecia that is characterized by a marked female predominance, tissue eosinophilia and uniquely short clinical course. We suggest to name it 'acute diffuse and total alopecia of the female scalp (ADTAFS)'.
Br J Dermatol. 2003 Jun;148(6):1205-11.
Female alopecia: the mediating effect of attachment patterns on changes in subjective health indicators.
Background The interrelationship between female alopecia and psychological disorders is complex, with a range of psychosocial consequences, but also antecedents. Psychosocial antecedents are to a large extent interpersonal and can be assumed to have a mediating effect on health care utilization and subjective health. Objectives To analyse whether changes in health-related quality of life (QoL) are mediated by relational or attachment styles and whether these styles are associated with a particular, dysmorphophobic type of alopecia. Methods Seventy-four women with androgenetic and diffuse alopecia underwent psychological assessment at the first consultation at a university clinic and at 2 months' follow-up. Attachment styles were evaluated by an observer rating scale. As a primary endpoint a disease-specific QoL instrument was employed. Results Findings indicated an association between patients with nonvisible hair loss and the ambivalent attachment style. Global clinical impressions and attachment indicators, e.g. attachment security and coping strategies, showed significant contributions in predicting changes in the QoL scales 'self-esteem' and 'emotions'. Conclusions These findings suggest that attachment security may be one of the underlying mechanisms mediating subjective health and that a specific attachment vulnerability can be identified in a subgroup of patients with female alopecia. Future studies will have to focus on the relevance of attachment patterns in the doctor-patient relationship and on psychotherapeutic interventions.
J Dermatol Sci. 2003 Apr;31(2):91-8.
The extract of Thujae occidentalis semen inhibited 5alpha-reductase and androchronogenetic alopecia of B6CBAF1/j hybrid mouse.
BACKGROUND: The conversion of testosterone to dihydrotestosterone; 5alpha-androstan-17beta-ol-3-one by 5alpha-reductase plays a crucial role in hair baldness and prostatomegaly. Recent approach showed specific inhibitors for 5alpha-reductase type 2 such as finasteride promoted hair growth in male pattern alopecia. OBJECTIVE: In order to search for effective medicinal plant extracts applied topically for androgenetic alopecia, we screened natural plant extracts having inhibitory activities of 5alpha-reductase type 2 and demonstrated its biological function in androgen-related animal models. METHODS: We evaluated the inhibition activities of numerous plant extracts by contact cell based metabolic method using a stable HEK 293 cell line expressing human 5alpha-reductase (type 2). To elucidate the biological activity in vivo, the Thujae occidentalis semen (TOS) extract was topically applied to fuzzy rat and androchronogenetic alopecia (AGA) mouse, respectively. The secreted sebum and the size of sebaceous glands of fuzzy rat were measured after 6 weeks. Also, after the topical treatment with TOS extract and androgen receptor antagonist (cyproterone acetate) simultaneously with subcutaneous injection of testosterone (1 mg/mice/day), hair loss patterns of female B6CBAF1/j hybrid mouse were observed. RESULTS: TOS extract showed higher inhibition activity of 5alpha-reductase type 2(IC(50) value=2.6 microg/ml) than that of gamma-linolenic acid, but lower than that of finasteride. When applied to fuzzy rat, the amount of sebum and sebaceous gland size decreased remarkably. In AGA model, alopecia degrees of two groups, treated with TOS extract (P<0.015) or cyproterone acetate (P<0.01), were lower than that of vehicle (propylene glycol:ethanol=7:3) and there was no difference between above two groups. CONCLUSION: We have demonstrated the inhibitory activity of TOS extract for 5alpha-reductase type 2 and its biological action in two animal models, suggesting that TOS extract would be used as an effective agent for male pattern baldness by modifying androgen conversion.
Australas J Dermatol. 2003 Feb;44(1):62-6.
Androgenetic alopecia in a postmenopausal woman as a result of ovarian hyperthecosis.
A 65-year-old woman presented with an 8-year history of progressive frontotemporal alopecia and hirsutism. She had elevated serum levels of testosterone, androstenedione and estradiol. Ultrasound and computed tomography imaging suggested a right ovarian mass, while bilateral ovarian venous sampling demonstrated increased testosterone levels originating from both ovarian veins. Histology obtained following bilateral oophorectomy demonstrated bilateral ovarian hyperthecosis. Six months after surgery, the patient remains well with no progression of the alopecia. Ovarian hyperthecosis is a rare cause of androgenetic alopecia in postmenopausal women. The role of hyperthecosis and its relationship to androgenetic alopecia is reviewed.
Since hair growth is a complicated biological process, modern science has yet to grasp a complete picture. A number of traditional and alternative therapeutic methods that include drugs, surgery, and suppelements have been developed to help those who are losing hair. Unfortunately, none of these approaches are perfect for all hair loss problems due to the complexity of the phenomenon and diverse nature of the causes underlying hair loss. Also, most of chemical drugs and hair transplantation surgeries are accompanied by undesirable side effects.
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DHEA has been suggested to provide numerous potential benefits. DHEA (or dehydroepiandrosterone) is converted into androgens (male hormones)
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