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Dermatology 2002;205(4):374-7
Hair pain (trichodynia): frequency and relationship to hair loss and patient gender.
Background: Patients complaining of hair loss frequently claim that their hair has become painful. Objective and Methods: The aim of the study was to evaluate the frequency of this phenomenon and its relationship to hair loss. Patients seeking advice for hair loss either spontaneously reported or were questioned about painful sensations of the scalp. Hair loss activity was quantified by a hair pull, daily count and wash test. Telogen percentage was obtained by a hair pluck. The scalp surface was examined by dermatoscopy. Results: Of 403 examined patients, 20% of women and 9% of men reported hair pain, irrespective of the cause and activity of hair loss. A minority presented scalp telangiectasia. This strongly correlated with hair pain. Conclusions: Hair pain (trichodynia) affects a significant proportion of patients complaining of hair loss and may increase the anxiety. The symptom neither allows discrimination of the cause nor correlates with the activity of hair loss. A higher prevalence of female patients might be connected to gender-related differences in pain perception in relation to anxiety. The role of vasoactive neuropeptides in the interaction between the central nervous system and skin reactivity is discussed. In the absence of any correlation with quantitative parameters of hair loss or specific morphologic changes of the scalp, management remains empiric and tailored to the individual.
Eur J Dermatol 2002 Jul-Aug;12(4):327-34
Diphencyprone immunotherapy alters anti-hair follicle antibody status in patients with alopecia areata.
Alopecia areata (AA) is a relatively common reversible hair loss disorder usually manifesting as patchy areas of complete hair loss on the scalp and other body parts that can progress to complete loss of all body hair. This condition is now generally assumed to be an autoimmune disease with the hair follicle (HF) as the principal target tissue. AA may be passively transferred by T cells and there is some evidence that serum IgG may also disturb hair cycling. Here, we examine whether the status of anti-HF antibody reactivity is altered during hair regrowth associated with topical immunotherapy using the contact sensitizer diphencyprone. Eleven patients with severe AA of the scalp were treated with diphencyprone on one side of the scalp and serum was obtained from each patient before the start of therapy, after unilateral hair regrowth, during continuing hair regrowth and in some cases after complete and sustained regrowth. The presence and titer of circulating antibodies to HF was assessed by indirect immunofluorescence and immunoblotting analysis. A striking reduction was detected in both the titer and range of HF components/antigens targeted by anti-hair follicle IgG antibodies in those patients that exhibited complete and sustained hair regrowth after DCP-treatment. By contrast, unilateral hair regrowth was associated with no change, or even an increase, in anti-HF antibody titer and reactivity. Therefore we can conclude that the down-regulation of antibody reactivity is likely to be a result rather than the cause of hair regrowth induction by topical immunotherapy. As this immunotherapy is associated with a reduction in the titer/pattern of anti-HF antibodies, these may hold the key to the identity of the HF antigen targets in AA. Moreover, the presence/titer of anti-HF antibodies may be a marker of clinical disease activity or opportunity for spontaneous regrowth.
Ther Umsch 2002 May;59(5):223-7
Hair diseases in childhood
This paper focuses on four important hair diseases mainly occurring in children. Trichotillomania is the most relevant differential diagnosis of alopecia areata in childhood. Meticulous inspection and lack of telogen hairs in the trichogram from the margin of the lesion usually are sufficient for differentiation. The trichogram also plays a significant role for the diagnosis of the loose anagen hair (loose anagen syndrome), a fairly new, but not rare entity, especially in distinguishing it from telogen effluvium. Five different types of clinical presentation are distinguished in tinea capitis. For the necessary systemic therapy; the new antimycotics terbinafine and itraconazole represent good alternatives to the well-tried griseofulvin. Several effective therapeutic options are also available for head lice, the most frequent parasitary infestation of school age. However, because of its neurotoxicity and the increasing problem of lice resistance lindane should not be used any longer for the treatment of head lice.
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 1999 Jan;13(1):28-30
The clinical application of scalp expansion in the repair of cicatricial baldness in children
OBJECTIVE: To introduce the clinical application of the expanded graft from scalp in the repair of cicatricial baldness in children. METHODS: 45 cases with baldness following burn from 1988 to 1998 were reported. All of these patients (age ranged from 5-11 years) were treated by soft tissue expander. RESULTS: 5 cases were followed up for 1-2 years, the clinical results showed that the result from the graft of scalp expansion was satisfactory, and the long-term follow-up revealed that the hair in expended area and that in normal area was almost the same except the orientation of hair distribution had some difference. CONCLUSION: The head scalp expansion might be the first choice in the repair of cicatricial baldness following burn.
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