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Clin Exp Dermatol 2002 Sep;27(6):458-60
Disappearance of pili annulati following an episode of alopecia areata.
Pili annulati is a distinctive autosomal dominant hair shaft disorder that produces alternating light and dark bands that can give a spangled appearance to the hair. The literature contains three case reports of patients in whom the condition has disappeared following recovery from alopecia totalis. None of these reports contain a direct microscopic comparison of pre- and post-regrowth hairs. We report a 6-year-old girl who was first noted to have pili annulati at the age of 2 years and who developed alopecia totalis at the age of 3 years. When the hair regrew spontaneously, 18 months later, the pili annulati was no longer visible. Hair samples obtained before and after the episode of alopecia areata were compared by normal and cross-polarized light microscopy. While not apparent on careful clinical examination, banding was present on light microscopy in 20% of the hairs. Eighty per cent of the affected hairs displayed banding throughout their entire length. In contrast, prior to the episode of alopecia totalis, when the pili annulati was clearly visible, 50% of the hair obtained was banded on microscopy and 90% of the affected hairs showed banding throughout their microscopic length.
Br J Dermatol 2002 Jun;146(6):992-9
Effects of minoxidil 2% vs. cyproterone acetate treatment on female androgenetic alopecia: a controlled, 12-month randomized trial.
BACKGROUND: Hormone studies have demonstrated the androgen-dependent character of female androgenetic alopecia, but there have been few controlled studies of therapies for alopecia in women. OBJECTIVES: To compare topical minoxidil 2% and cyproterone acetate in the treatment of female alopecia. METHODS: Sixty-six women with female-pattern alopecia were randomly assigned for 12 cycles into two groups, 33 received two local applications (2 mL day-1) of topical minoxidil 2% plus combined oral contraceptive and 33 received cyproterone acetate 52 mg day-1 plus ethinyl oestradiol 35 microg for 20 of every 28 days. RESULTS: A mean reduction of 2.4 +/- 6.2 per 0.36 cm2 in hairs of diameter > 40 microm was observed in the cyproterone acetate group (P = 0.05) and a mean increase of 6.5 +/- 9 per 0.36 cm2 in the minoxidil group (P < 0.001). Comparison of the total number of hairs at 12 months and the body mass index (BMI) revealed a borderline positive correlation in the cyproterone acetate group (r = 0.39, P = 0.06) and a negative correlation in the minoxidil group (r = -0.42, P < 0.05). No significant difference was observed in the total number of hairs among cyproterone acetate patients according to the presence or absence of other symptoms of hyperandrogenism, whereas in the minoxidil group, the total number of new hairs was higher in patients with isolated alopecia (Delta = 8.1; P < 0.05). Variations in scalp seborrhoea were significant in both groups, but the result was better (for acne and hirsutism as well) in the cyproterone acetate group than in the minoxidil group (P < 0.001). CONCLUSIONS: Minoxidil treatment was more effective in the absence of other signs of hyperandrogenism, hyperseborrhoea, and menstrual cycle modifications when the BMI was low, and when nothing argued in favour of biochemical hyperandrogenism. Cyproterone acetate treatment was more effective when other signs were present and when the BMI was elevated, factors that favoured a diagnosis of biochemical hyperandrogenism.
Eur J Cancer Care (Engl). 2003 Jun;12(2):154-61.
The effectiveness of scalp cooling in preventing alopecia for patients receiving epirubicin and docetaxel.
The aim of this study was to establish the effectiveness of scalp cooling in preventing alopecia for patients with breast cancer who received the trial combination chemotherapy of Epirubicin and Docetaxel. Doubt remains about the general effectiveness of scalp cooling in preventing hair loss for patients receiving chemotherapy. There is very little information available about its specific effectiveness with combinations of Taxanes and Anthracycline drugs. Of the 40 patients who received this drug combination, 10 were included in a pilot study whereas the remaining 30 constituted the main study sample. A randomized controlled study was undertaken whereby the intervention group received scalp cooling via gel cool caps and the control group received no specific preventative intervention. Nurses assessed participants' hair loss using a modified version of the WHO scale at seven time points and also recorded hair loss photographically. Two independent experts rated the photographs using the same scale. Patients self-reported in relation to overall hair loss, hair condition, levels of emotional upset, negativity about appearance, hair re-growth and wig use. Significantly greater hair loss was apparent in the control group during most of the treatment period. However, the level of protection afforded by the cool caps was relatively poor with this chemotherapy combination. The marginal benefits of scalp cooling in this context must be clearly explained to patients.
Ann Dermatol Venereol. 2003 Mar;130(3):326-30.
Intravenous pulse methylprednisolone therapy for severe alopecia areata: an open study of 66 patients
INTRODUCTION: Treatment of alopecia areata is a difficult challenge. Some European publications have shown encouraging results with high dose pulse corticosteroid therapy in extensive plurifocal alopecia areata. We undertook a prospective open study between January 2000 and December 2001 using repeated pulse each month, with the aim of identifying the effects of this repetition and underlining the best indications. PATIENTS AND METHODS: Sixty-six patients aged 9 to 60 years old presenting an extensive alopecia areata exceeding 30% of the scalp surface (n=47), alopecia totalis (n=8), alopecia universalis (n=8), ophiasic alopecia (n=3), for less than 12 months entered this study. The administered treatment was methylprednisolone 500 mg/d during 3 days or 5 mg/kg twice per day during 3 days in children. These pulses were repeated after 4 and 8 weeks, then a second series was carried out or not according to cases. The main evaluation criterion was the percentage of new terminal hair appearing on the bald areas, appreciated by clinical and photographic evaluation at 3 and 6 months. RESULTS: Ophiasic alopecia areata did not respond to treatment. A quarter of patients presenting universal alopecia had a good response (higher than 80 p. 100) followed by a relapse in half the cases. Half of the patients presenting alopecia totalis had a good response, which was maintained three times out of four. Multifocal alopecia areata seems the best indication since the patients under study presented a good response in 63.8 p. 100 of cases (78 p. 100 when it was a first episode and 90.5 p. 100 if the treatment had been started in less than 3 months before). The repetition of the pulses did not appear to increase the number of responders. CONCLUSION: This study provides the best indication of pulse methylprednisolone therapy: first recent episode of extensive plurifocal alopecia areata. These results are less convincing in long term history or other forms of alopecia areata.
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