research The Friar Tuck Sign in Trichotillomania
An 8-year-old boy with hair-pulling disorder had a bald patch that was confirmed not to be a fungal infection and was treated with therapy.
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research Cetuximab-Induced Hypertrichosis of the Scalp and Eyelashes
A cancer drug caused unusual hair growth on a 100-year-old man's scalp and eyelashes.
research Trichoscopy of Alopecia Areata in Children: A Retrospective Comparative Analysis of 50 Children and 50 Adults
Children with alopecia areata have different trichoscopic features than adults, including more empty follicular openings and pigtail hairs.
research A Function for Rac1 in the Terminal Differentiation and Pigmentation of Hair
Rac1 is essential for proper hair structure and color.
research Trichostasis Spinulosa: A Clinical Simulant of Acne Open Comedones
Trichostasis spinulosa can look like acne but usually affects adults, not children.
research Qualitative Investigation of Fresh Human Scalp Hair with Full-Field Optical Coherence Tomography
Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.
research Granulomatous Pigmented Purpuric Dermatosis Containing Propionibacterium Acnes
A medication may help with hair growth in psoriasis, and a skin condition might be linked to a specific bacteria.
research T-Cell Reconstitution After Thymus Xenotransplantation Induces Hair Depigmentation and Loss
T-cell reconstitution after thymus transplantation can cause hair whitening and loss.
research Combined Analysis of Two Multicenter Studies of Finasteride 5 mg in the Treatment of Symptomatic Benign Prostatic Hyperplasia
Finasteride 5 mg effectively reduces urinary symptoms and PSA levels in men with enlarged prostates, with few sexual side effects.
research Tinea Capitis Due to Trichophyton Soudanense
A 6-year-old girl in the U.S. had a rare scalp infection caused by *Trichophyton soudanense*.
research Engineered Skin Substitute Regenerates Skin with Hair Follicle Formation
The engineered skin substitute helped grow skin with hair on mice.
research Predicting Human Appearance from DNA for Forensic Investigations
DNA can predict physical traits like eye and hair color accurately, especially in Europeans, but predicting other traits and in diverse populations needs more research.
research Anagen Effluvium Due to Thallium Poisoning from Chinese Herbal Medicine and Rodenticide Containing Thallium Salts
A woman and her daughter had thallium poisoning from a herbal drink and rodenticide, causing hair loss and other symptoms.
research Comma Hairs: A New Dermoscopic Marker for Tinea Capitis
Comma hairs are a new sign for identifying scalp fungal infections.
research Ectopic Hair on the Glans Penis
A man grew hair on his penis, which is not common, and needed surgery to remove it.
research Hair Follicle Classification and Hair Loss Severity Estimation Using Mask R-CNN
An intelligent system can classify hair follicles and measure hair loss severity with reasonable accuracy.
research Pili Annulati with Multiple Fragile Hairs
Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
research Severe Marking-Nut Dermatitis
A man got severe skin irritation after using marking nut sap for hair loss.
research Colorimetry Provides a Rapid Objective Measurement of De Novo Hair Growth Rate in Mice
Colorimetry can accurately measure hair growth rates in mice.
research Successful Treatment of Gray Hairs with High Dose Calcium Pantothenate
High-dose calcium pantothenate can reverse grey hair in some cases.
research Visible Light-Mediated Environmentally Friendly Green Chemistry for Hair Cross-Linking
The study found a green method for strengthening hair works on all hair colors and is eco-friendly.
research Anagen Effluvium After Therapeutic Scalp Surgery: Unreported Phenomenon
Hair loss can occur about 4 weeks after scalp surgery but usually grows back within 3 months without treatment.
research Excessive Hair Growth in a Patient with Psoriatic Erythroderma Following Secukinumab Administration
An elderly man's hair grew back after treatment with secukinumab, possibly due to reduced scalp inflammation or the medication's direct effects.
research Trends in Hair, Skin, and Nails Supplement Use: Data from the National Health and Nutrition Examination Survey 2011-2020
Hair, skin, and nails supplement use nearly doubled from 2011 to 2020, with higher usage among young adults, females, and certain ethnic groups.
research Dermoscopy Before and After Treatment of Cutaneous Larva Migrans: Through the Dermoscope
Dermoscopy may not show hookworms clearly, and comparing it with tissue studies could improve diagnosis accuracy for skin conditions caused by parasites.
research Prevalence of Female Pattern Hair Loss in a Multiracial Population
Female pattern hair loss affects 32.3% of women, increasing with age and showing no racial differences.
research Grey, Curly, and Short-Haired Swiss Holstein Cattle Show Genetic Traces of the Simmental Breed
Swiss Holstein cattle with curly, short hair carry genes from the Simmental breed.
research The Psychology of Gray Hair
Stress can cause hair to turn gray by depleting pigment-producing cells through the release of a stress hormone.
research Color-Transition Sign: A Useful Trichoscopic Finding for Differentiating Alopecia Areata Incognita from Telogen Effluvium
The "color-transition sign" helps tell apart alopecia areata incognita from telogen effluvium by looking at hair color changes.
research Alopecia Areata in Skin of Color Patients: New Considerations Sparked by the Approval of Baricitinib
The paper concludes that the new medication baricitinib needs further testing in a more diverse group of patients with alopecia areata.