research Woolly hair nevus
A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
Search
for
Sort by
Research
270-300 / 1000+ results research Variation of Hair Follicle Counts among Different Scalp Areas: A Quantitative Histopathological Study
Hair count values should be standardized for each scalp region to evaluate hair disorders in Asians.
research Reduced Linear Hair Growth Rates of Vellus and of Terminal Hairs Produced by Human Balding Scalp Grafted onto Nude Mice
Balding scalps slow down hair growth.
research Avaliação quantitativa em cortes histológicos transversais do couro cabeludo
The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
research Nevus comedonicus with lesional growth of terminal hair: An unusual case
Nevus comedonicus can sometimes grow terminal hair, challenging previous beliefs.
research Standardizing the 60-Second Hair Count
Men typically shed about 10 hairs in 60 seconds, and this amount doesn't increase with age.
research Canestick Lesion of Vellus Hair in Netherton's Syndrome
Recognizing the "bamboo hair defect" is crucial for diagnosing Netherton's syndrome.
research Pili Annulati
The patient's hair has unique structural differences with alternating bright and dark bands.
research Hair Counts from Normal Scalp Biopsy in Taiwan
The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.
research Quantitative trichoscopic analysis of hair density in people attending tertiary care hospital – A cross-sectional study
Hair density decreases with age, especially in the 60s.
research Light Microscopic Hair Abnormalities in Children: Retrospective Review of 119 Cases in a 10-Year Period
Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.
research Results of 60-second timed hair counts in women between the ages of 20–60 years
The 60-second timed hair count is a reliable and simple way to measure hair shedding at home, showing older women tend to shed more hair than younger women.
research Eruptive Vellus Hair Cysts: Case Report and Review of the Literature
Eruptive vellus hair cysts are often underreported and need histologic confirmation for accurate diagnosis.
research Counting Hairs: Is It Androgenetic Alopecia or Chronic Telogen Effluvium?
Hair count is important to distinguish between genetic hair thinning (Androgenetic Alopecia) and hair thinning caused by disrupted hair growth (Chronic Telogen Effluvium).
research [Nevus comedonicus. A rare skin disease of the hair follicles].
Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
research [Nevoid bundle hairs].
Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
research Assessment of hair loss: clinical relevance of hair growth evaluation methods
Effective hair loss assessment requires a mix of precise measurement methods.
research The lack of significant changes in scalp hair follicle density with advancing age
Aging alone barely affects the number of hair follicles, meaning hair loss is minimal without other conditions like androgenetic alopecia.
research Hair pull test: Evidence-based update and revision of guidelines
The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
research Nevus comedonicus of the scalp.
A 10-year-old boy was diagnosed with a rare scalp condition causing hair loss and treated with a topical cream.
research Absence of vellus hair in the hairline: a videodermatoscopic feature of frontal fibrosing alopecia
Lack of small, fine hair on the front hairline is a key sign of frontal fibrosing alopecia.
research Hair Evaluation Method: Pull Test and Wash Test
The pull test and wash test are cheap, easy methods to diagnose hair loss.
research Eruptive Vellus Hair Cysts: Report of a New Case with Immunohistochemical Study and Literature Review
Eruptive vellus hair cysts are rare, benign skin lesions that are hard to treat.
research Nevus psiloliparus: Newly described histopathological features from transverse sections
Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
research Hair Fall Count 60-second: Clinic-Based Modified Count Versus Home-Based Count
The clinic-based hair fall count method is accurate and reliable.
research The structure of hair and follicles of mice carrying the naked (N) gene
Mice with the naked gene have missing or abnormal hair cells.
research 130 Expression of nidogen1 in basal cell carcinoma
Higher levels of nidogen1 and type IV collagen are found in basal cell carcinoma compared to normal skin.
research Swollen Lips
A 45-year-old woman experienced excessive hair shedding beyond the normal range.
research Hair Shaft Videodermoscopy in Netherton Syndrome
Trichoscopy can diagnose Netherton syndrome without pulling hairs.
research Eruptive vellus hair cysts: An underdiagnosed entity
Eruptive vellus hair cysts are often missed in diagnoses.