research Pathologic Quiz Case: A 69-Year-Old Man With a Brown-Black Facial Papule
A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
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90-120 / 1000+ resultsresearch Estudo comparativo entre exames clínico, dermatoscópico e anatomopatológico em portadores de alopecia frontal fibrosante, diferenciando melasma e líquen plano pigmentoso / A comparative study between clinical, dermatoscopic and pathological examinations in patients with frontal fibrosing alopecia, differentiating melasma from lichen planus pigmentosus
Most cases were lichen planus pigmentosus, highlighting the need for accurate diagnosis for proper treatment.
research Segmented Heterochromia in Black Scalp Hair Associated With Iron-Deficiency Anemia
Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
research Brown shadow in lichen nitidus: A dermoscopic marker!
A brown shadow seen in dermoscopy is a marker for lichen nitidus.
research Desmoplastic melanoma presenting as an alopecic patch in a young patient
A man had a rare skin cancer that looked like a bald spot.
research Dermoscopy of alopecia areata in restrospective analysis
Yellow dots are common in severe alopecia areata.
research Melasma and Endocrine Disorders
Melasma is a skin condition linked to female hormones, genetics, UV exposure, and certain medications, but not to pituitary, adrenal, or thyroid diseases.
research Preservation of melanoblasts of white hair follicles of segmental vitiligo lesions: A preliminary study
White hair follicles in vitiligo have fewer and less functional melanocytes.
research How the leopard gets its spots: a transmembrane peptidase specifies feline pigmentation patterns
A gene called Taqpep affects cat coat patterns like stripes and blotches.
research Circulating testosterone and feather-gene expression of receptors and metabolic enzymes in relation to melanin-based colouration in the barn owl
Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.
research Perifollicular Melanocyte Regeneration in Bullous Pemphigoid
Melanocytes can regenerate around hair follicles in bullous pemphigoid, especially in patients with darker skin.
research A rare repigmentation pattern in a vitiligo patient: a clue to an epidermal stem-cell reservoir of melanocytes?
Repigmentation in vitiligo may come from melanocyte stem cells in the skin.
research Melanocytes and Vitiligo (and Hair Graying)
Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.
research Pityriasis versicolor on the scalp: An unusual distribution of a common disease
A boy's scalp infection, usually found on the body, was effectively treated with antifungal cream.
research Increased PHGDH expression promotes aberrant melanin accumulation
Higher PHGDH levels cause unusual melanin buildup in hair follicles.
research Beyond the Epidermal-Melanin-Unit: The Human Scalp Anagen Hair Bulb Is Home to Multiple Melanocyte Subpopulations of Variable Melanogenic Capacity
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
research Disorders of Hair Pigmentation
Hair color is determined by melanin and can be affected by genetic conditions like albinism.
research 576 A preliminary study of melanogenic markers in the differentiation of the human hair follicle melanin unit
The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.
research Change in Hair Color in Mice Induced by Injection of α-MSH
Injecting α-MSH made mice's hair turn black.
research Vitiligo
Vitiligo causes white skin patches but can be treated in many ways.
research Hair Repigmentation as a Melanoma Warning Sign
Hair turning darker can be a sign of skin cancer.
research LB1672 Senescent melanocytes in nevus skin stimulate hair growth
research SPRY1 Deficiency in Keratinocytes Induces Follicular Melanocyte Stem Cell Migration to the Epidermis through p53/Stem Cell Factor/C-KIT Signaling
SPRY1 deficiency in skin cells causes stem cells to move to the skin surface, leading to increased pigmentation.
research Clinical repigmentation patterns in paediatric vitiligo
The study found that the most common repigmentation pattern in children with vitiligo is a combination of patterns, with a new medium spotted pattern identified.
research Decreased benzothiazole-type pheomelanin in regrown brown hair in alopecia areata
The girl's regrown brown hair had less of certain pigments than her original black hair.
research Total melanonychia of 20 nails as a rare manifestation of vitamin B12 deficiency
Vitamin B12 deficiency can cause darkening of all nails.
research BJD Editor's Choice
Some Greek melanoma patients have gene mutations linked to increased cancer risk, a new color feature helps diagnose melanoma, the incidence of a skin condition in the Netherlands is rare, and a gene possibly affects male-pattern baldness.
research An introduction to skin disease in melanin rich skin
Melanin-rich skin has unique challenges in diagnosing and treating skin diseases.
research Isolated patchy heterochromia with pili annulati features on light and electron microscopy
Isolated patchy heterochromia with pili annulati can occur without other health issues.
research Lentiginous melanoma. A clinically malignant entity that histopathologically seems benign. Case study harbouring BRAF V 600R mutation
A clinically suspected melanoma appeared benign under the microscope but was confirmed by specific tests and a rare mutation.