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J Am Acad Dermatol 2002 Dec;47(6):856-62
Primary follicular mucinosis: long-term follow-up of patients younger than 40 years with and without clonal T-cell receptor gene rearrangement.
Since the original descriptions of follicular mucinosis, accumulating experience shows that patient age, distribution of lesions, and duration or extent of disease do not reliably distinguish benign primary follicular mucinosis from secondary follicular mucinosis, associated with cutaneous lymphoma. More recently, it has been suggested that individuals with follicular mucinosis demonstrating a clonal T-cell receptor gene rearrangement may be at higher risk for the development of lymphoma. Long-term follow-up of 7 patients younger than 40 years with primary follicular mucinosis are reported. In all cases, there was no clinical or histologic evidence of associated dermatoses or lymphoma at the time of diagnosis. Five of the patients have clonal T-cell gene rearrangement as determined by Southern blot analysis. Clinically, at the time of diagnosis, lesions of primary follicular mucinosis ranged from papules confined to the face to widespread cutaneous plaques. After a mean follow-up of 10 years (range, 5-23 years) from the onset of disease, the majority of patients continue to have cutaneous manifestations of follicular mucinosis despite various treatments. There is no evidence of progression to cutaneous T-cell lymphoma in any patient despite the presence of a clonal T-cell receptor gene rearrangement. Continued prolonged follow-up of patients with clonal primary follicular mucinosis is necessary to determine the significance of infiltrates harboring a T-cell receptor gene rearrangement. However, in our experience with this group of selected patients, primary follicular mucinosis has been a clonal disorder with limited or "benign" cutaneous manifestations.
Hautarzt 2002 Dec;53(12):798-804
TrichoScan. A new instrument for digital hair analysis
BACKGROUND/OBJECTIVE: Hair loss or hair thinning is a common complaint in clinical dermatology. Patients seeking advice for hair loss are not necessarily bald. In addition, the effects of therapy are hard to measure. Consequently, there is a need for a sensitive tool to monitor hair loss and treatment response. Such a method must be able to analyze the biological parameters of hair growth, which are: 1: hair density (n/cm(2)), 2: hair diameter (micrometer), 3: hair growth rate (mm/day) and 4: anagen/telogen ratio. PATIENTS/METHODS: We present the TrichoScan as a method which combines epiluminescence microscopy (ELM) with automatic digital image analysis for the measurement of human, and potentially animal hair, in situ. The TrichoScan is able to analyze all biological parameters of hair growth with a so called intraclass correlation of approximately 91% within the same operator and an intraclass correlation of approximately 97% for different operators. RESULTS: The application of the technique is demonstrated by comparison of the hair parameters in individuals without apparent hair loss with men with untreated AGA and men after treatment with finasteride (1 mg/day), and women who were treated with minoxidil. We were able to detect a significant increase in hair counts and cumulative hair thickness 3 and 6 months after treatment. CONCLUSION: The advantage of the TrichoScan is that it can be used for clinical studies to compare placebo versus treatment or to compare different hair growth promoting substances, it can be used for studying AGA or other forms of diffuse hair loss, and it can be adopted to study the effect of drugs or laser treatment on hypertrichosis or hirsutism.
Dermatology 2002;205(2):108-10
Kenogen. A new phase of the hair cycle?
BACKGROUND: A novel phenomenon has been described by the phototrichogram: the emptiness of the follicle after teloptosis. We called this phenomenon kenogen, from the Greek kappaepsilonnuovarsigma, 'empty'. OBJECTIVE: To describe the kenogen phase in its details. METHODS: Analysis of the existing literature. RESULTS: The original observation in 2 women was confirmed in 10 balding and non-balding males studied for 14 years in whom kenogen lasted about 4 months increasing up to about 7 months and affecting 80% of all hair cycles. In 2 women with progressing androgenetic alopecia studied for 2 years, kenogen involved 22% of the hair follicles, lasting from 3 months to 1 year. In a prepubertal boy studied for 1 year, it involved 8% of hairs and lasted about 2 months. CONCLUSION: During kenogen, the hair follicle rests physiologically, but duration and frequency are greater in androgenetic alopecia, possibly accounting for baldness. In addition to the classical cycle, the hair follicle may follow an alternative route during which the telogen phase, not accompanied by a coincident new early anagen, ends with teloptosis leaving the follicle empty.
Exp Gerontol 2002 Aug-Sep;37(8-9):981-90
Molecular mechanisms of androgenetic alopecia.
Androgenetic alopecia (AGA) is hereditary and androgen-dependent, progressive thinning of the scalp hair that follows a defined pattern. While the genetic involvement is pronounced but poorly understood, major advances have been achieved in understanding principal elements of the androgen metabolism involved: androgen-dependent processes are predominantly due to the binding of dihydrotestosterone (DHT) to the androgen receptor (AR). DHT-dependent cell functions depend on the availability of weak androgens, their conversion to more potent androgens via the action of 5 alpha-reductase, low enzymatic activity of androgen inactivating enzymes, and functionally active AR present in high numbers. The predisposed scalp exhibits high levels of DHT, and increased expression of the AR. Conversion of testosterone to DHT within the dermal papilla plays a central role, while androgen-regulated factors deriving from dermal papilla cells are believed to influence growth of other components of the hair follicle. Current available treatment modalities with proven efficacy are oral finasteride, a competitive inhibitor of type 2 5 alpha-reductase, and topical minoxidil, an adenosine-triphosphate-sensitive potassium channel opener which has been reported to stimulate the production of vascular endothelial growth factor in cultured dermal papilla cells. Since the clinical success rate of treatment of AGA with modulators of androgen metabolism or hair growth promoters is limited, sustained microscopic follicular inflammation with connective tissue remodeling, eventually resulting in permanent hair loss, is considered a possible cofactor in the complex etiology of AGA.
Herbs offer many help benefitting phytochemicals that have not yet been fully understood or appreciated by science.
Made of famous Chinese traditional herbs, Hair Million is a herbal hair restorati
on formula for hair loss problems.
Numerous anecdotal cases have demonstrated Hair Million's capability to actually improve the age-related
hair thinning and hair loss for a significant fraction of
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It is unknown how Hair Million stops hair loss, and promotes hair growth, despite all the anecdotal observations.
Neither scientific research nor placebo controlled clinical trials has been conducted due to the cost.
Shortage of scientific/clinical research is not uncommon in herbal/nutritional arena. However, it is not reasonable to stop taking daily food and herbal supplements altogether just because of scietific/clinical support:
our life must go on while we strive to better understand food and herb that we consume today.
There are two merits that Hair Million enjoys: Firstly, Hair Million is relatively inexpensive, and secondly, it is made only of edible herbs that are known to be safe when they are consumed in regular quantities.
For scientifically proven prescription medication, try Propecia.
Related Web resources:
What is hair?
Curly Hair
Biology of hair growth and development.
The phenomenon of hair loss.
Methods and treatments for hair loss and baldness.
Drugs and hair transplantation surgery for hair loss and baldness.
Hair loss linked to other health problems.
Baldness by choice and fashion.
Alopecia info.
Alopecia treatment info.
Alopecia treatment info.
Hair care info.
Hair loss and alopecia research articles: abstracts and source links.
DHEA has been suggested to provide numerous potential benefits. DHEA (or dehydroepiandrosterone) is converted into androgens (male hormones)
or estrogens (female hormones) in the cells.
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