research Are fingernails a key to unlocking the puzzle of mammalian limb regeneration?
Nail stem cells and Wnt signaling are important for fingertip regeneration but not sufficient for regenerating more complex limb structures.
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research Porokeratotic Eccrine Duct and Hair Follicle Nevus (PEHFN) Associated with Keratitis-Ichthyosis-Deafness (KID) Syndrome
A 15-year-old with KID syndrome developed a rare skin condition called PEHFN.
research Nilotinib-Induced Keratosis Pilaris
Nilotinib can cause keratosis pilaris, a skin condition.
research Three-dimensional analyses of touch domes in the hairy skin of the cat paw reveal morphological substrates for complex sensory processing
Cat paws have complex touch sensors for detailed sensory processing.
research Acne keloidalis nuchae: risk factors and associated disorders – a retrospective study
The study suggests that acne keloidalis nuchae is linked to conditions like pseudofolliculitis barbae, scalp infections, metabolic syndrome, and is more common in males with an average onset age of 25.4 years.
research Acquired constriction ring syndrome as a cause of inconsolable cry in a child: a case report
A hair tightly wrapped around a toddler's toe caused severe crying and was treated by surgery.
research A Prickly Problem
The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
research Efficacy of topical nanoemulsion (NB-002) for the treatment of distal subungual onychomycosis: A randomized, double-blind, vehicle-controlled trial
NB-002 is a promising new topical treatment for fungal nail infections, showing better results than a non-medicated option.
research Twenty nail onychomadesis: An unusual finding in Cronkhite–Canada syndrome
A man with Cronkhite-Canada syndrome had all 20 nails detach but improved with treatment.
research Solitary papule with central crater in a young man: Dermoscopy picks the clue
A young man's cheek papule was identified as a benign hair follicle tumor using a skin surface microscope.
research 576 Merkel cell carcinoma with fungi infection: A case report
Surgery and antifungal medication are effective for treating Merkel cell carcinoma with fungal infection.
research 41126 Analysis of Nail Excision Practice Patterns in the Medicare Provider Utilization and Payment Database 2012-2017
Podiatrists perform nearly all nail excisions in the US.
research Acquired Localized Trichorrhexis Nodosa Secondary to Cultural Practices
Vigorous rubbing of herbal powder on the scalp caused hair damage and loss.
research Localized trichorrhexis nodosa
Localized trichorrhexis nodosa is a hair condition where hair becomes fragile and breaks easily due to damage.
research Subungual melanocytic lesions
Early subungual melanoma might be treated with less aggressive surgery because it invades the skin under the nail more slowly.
research Ectopic acanthosis nigricans at a post-syndactyly surgical site: An unusual reactive epidermal phenomenon
Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.
research Umbilical keratinous cyst in a 7-year-old girl: A case report
A 7-year-old girl had a non-painful skin growth at her belly button, which was removed and identified as a keratinous cyst.
research Loss of Keratin K2 Expression Causes Aberrant Aggregation of K10, Hyperkeratosis, and Inflammation
Loss of keratin K2 causes skin problems and inflammation.
research Acne keloidalis nuchae: prevalence, impact, and management challenges
Acne keloidalis nuchae is a tough-to-treat condition that greatly affects quality of life, especially in men of African descent.
research Trichorrhexis Nodosa
Trichorrhexis nodosa is mainly caused by hair trauma and improves with gentler hair care.
research 169 Clinical features, etiologic factors, treatment, and comorbidities of palmoplantar pustulosis: a retrospective single-center study
Smoking and certain health conditions like thyroid disease may make palmoplantar pustulosis harder to treat.
research Expression patterns of hair-related keratins and epithelial keratins in onychopapilloma: The significance of clarifying the origin of onychopapilloma
Onychopapilloma likely originates from the nail bed, not the nail matrix.
research Porokeratotic eccrine and hair follicle nevus: a report of two cases and review of the literature
Porokeratotic eccrine and hair follicle nevus is a very rare skin disorder possibly caused by a GJB2 gene mutation.
research Pathologic Quiz Case: A Nodule on the Back
The nodule on the woman's back was a benign hair follicle tumor, not cancer, but needed removal.
research Spiny Hyperkeratotic Projections on the Face and Extremities of a Kidney Transplant Recipient—Quiz Case
A kidney transplant patient developed pink skin bumps with spiny centers on her face and limbs.
research The fretful child with swollen appendage: Mitten the Insidious
A child's toe was saved from a rare condition where hair tightly wrapped around it by performing surgery.
research Tooth, hair and claw: Comparing epithelial stem cell niches of ectodermal appendages
The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.
research The extraction and characterization of human nail keratin
Human nails contain both skin and hair keratins, each needing different extraction methods.
research Olmsted syndrome
Olmsted syndrome is a rare skin disorder causing thickened skin and other symptoms.
research Adult-onset porokeratotic eccrine ostial and dermal duct nevus:dermatoscopic findings and treatment with tazarotene
An adult with a rare skin condition improved with tazarotene treatment.