Female pattern hair loss (FPHL) is a clinical problem that is becoming more common in women. Female alopecia with androgen increase is called female androgenetic alopecia (FAGA) and without androgen increase is called female pattern hair loss. The clinical picture of typical FAGA begins with a specific "diffuse loss of hair from the parietal or frontovertical areas with an intact frontal hairline." Ludwig called this process "rarefaction." In Ludwig's classification of hair loss in women, progressive type of FAGA, 3 patterns were described: grade I or minimal, grade II or moderate, and grade III or severe. Ludwig also described female androgenetic alopecia with male pattern (FAGA.M) that should be subclassified according to Ebling's or Hamilton-Norwood's classification. FAGA.M may be present in 4 conditions: persistent adrenarche syndrome, alopecia caused by an adrenal or an ovarian tumor, posthysterectomy, and as an involutive alopecia. A more recent classification (Olsen's classification of FPHL) proposes 2 types: early- and late-onset with or without excess of androgens in each. The diagnosis of FPHL is made by clinical history, clinical examination, wash test, dermoscopy, trichoscan, trichograms and laboratory test, especially androgenic determinations. Topical treatment of FPHL is with minoxidil, 2-5% twice daily. When FPHL is associated with high levels of androgens, systemic antiandrogenic therapy is needed. Persistent adrenarche syndrome (adrenal SAHA) and alopecia of adrenal hyperandrogenism is treated with adrenal suppression and antiandrogens. Adrenal suppression is achieved with glucocorticosteroids. Antiandrogens therapy includes cyproterone acetate, drospirenone, spironolactone, flutamide, and finasteride. Excess release of ovarian androgens (ovarian SAHA) and alopecia of ovarian hyperandrogenism is treated with ovarian suppression and antiandrogens. Ovarian suppression includes the use of contraceptives containing an estrogen, ethinylestradiol, and a progestogen. Antiandrogens such as cyproterone acetate, always accompanied by tricyclic contraceptives, are the best choice of antiandrogens to use in patients with FPHL. Gonadotropin-releasing hormone agonists such as leuprolide acetate suppress pituitary and gonadal function through a reduction in luteinizing hormone and follicle-stimulating hormone levels. Subsequently, ovarian steroid levels also will be reduced, especially in patients with polycystic ovary syndrome. When polycystic ovary syndrome is associated with insulin resistance, metformin must be considered as treatment. Hyperprolactinemic SAHA and alopecia of pituitary hyperandrogenism should be treated with bromocriptine or cabergoline. Postmenopausal alopecia, with previous high levels of androgens or with prostatic-specific antigen greater than 0.04 ng/mL, improves with finasteride or dutasteride. Although we do not know the reason, postmenopausal alopecia in normoandrogenic women also improves with finasteride or dutasteride at a dose of 2.5 mg per day. Dermatocosmetic concealment with ...
Background: Bullous pemphigoid (BP) is an acquired subepidermal autoimmune blistering disease in which there are humoral and cellular responses against the BP180 and BP230 antigens. Dipeptidyl peptidase (DPP)-4 inhibitors enhance endogenous glucagon peptide-1 and glucose-dependent insulinotropic polypeptide secretion with food intake, which leads to insulin secretion, as well as to the reduction of glucagon secretion. Recently, several cases of DPP-4 inhibitor-associated BP have been reported. Objectives: To report 3 cases of DPP-4 inhibitor-associated BP, one of which is due to linagliptin use, as well as to review all currently published cases of DPP-4 inhibitor-associated BP. Case Reports: Three patients diagnosed with BP at our department showed a clear temporal relationship between the introduction of DPP-4 for the treatment of diabetes and the onset of BP. One case was due to linagliptin use, while the other 2 cases were due to an association with vildagliptin-metformin use. Conclusions: This is the first report of linagliptin-associated BP. Furthermore, 2 other cases of vildagliptin-associated BP are reported.
Trichotillomania is as medical condition caused by the patient himself by pulling out of is own hair, resulting in a perceptible hair loss pattern that frequently is associated with other psychiatric processes. Generally has a chronic course in most patients, and a challenging therapeutical management. There are several available options for is treatment, but the clinical response is not satisfactory in many patients. Recently, N-acetylcisteine, a glutamate modulator, has shown efficacy in the treatment of trichotillomania and other compulsive behaviors, and is considered a new alternative in the management of this condition. We describe two patients with trichotillomania successfully treated with N-acetylcysteine. Nevertheless, further studies need to be conducted to establish the appropriate treatment regimen and to evaluate it long-term efficacy in improving this chronic condition.
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