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360-390 / 1000+ resultsresearch Pigmentary mosaicism: An update
Pigmentary mosaicism causes skin color changes and can affect multiple body systems, but has no cure.
research Amelanocytic Anhidrotic Alopecia Areata-like Phenotype After Allogeneic Hematopoietic Cell Transplant
The immune system can cause permanent skin and hair whitening by attacking pigment cells.
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.
research DP18 A mimicker of melanoma on sun-exposed sites
Melanocytic matricoma can look like skin cancer but is usually harmless; surgery and follow-up are advised.
research Subclinical speckled perifollicular melanosis of the scalp.
The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
research Hair darkening in porphyria cutanea tarda
Two patients with porphyria cutanea tarda experienced their grey hair turning dark again.
research Pigmentary Puzzle: A Rare Case of Hyperpigmented Cutaneous Sarcoidosis
Early biopsy is crucial for diagnosing rare skin sarcoidosis, improving treatment.
research Reversible hypopigmentation of hair secondary to Vitamin B12 deficiency
Vitamin B12 deficiency can cause reversible hair color loss in children.
research 1927 nm Thulium Laser Successfully Treats PostInflammatory Hyperpigmentation in Skin of Color
The 1927 nm Thulium laser effectively and safely treats postinflammatory hyperpigmentation in darker skin tones.
research Role of Dermal Melanocytes in Cutaneous Pigmentation of Stasis Dermatitis
Melanin and melanocytes contribute to the brown pigmentation in stasis dermatitis.
research A Note on Postinflammatory Hair Darkening
Hair can darken after inflammation and then return to its original color.
research Canities Subita after Extreme Trauma Showing Positive Staining for Anti-PD-L1 Antibodies: A New Clue into Etiopathogenesis?
Sudden hair whitening may be linked to immune system activity.
research Hair repigmentation in microcystic adnexal carcinoma
Hair repigmentation can indicate malignancy and should be investigated.
research An approach to disorders of pigmentation
The document concludes that pigmentation disorders in animals involve complex interactions between melanocytes and keratinocytes.
research Topobiology of Human Pigmentation: P-Cadherin Selectively Stimulates Hair Follicle Melanogenesis
P-cadherin is crucial for hair follicle pigmentation but not skin pigmentation.
research Hyperpigmentation following Treatment of Frontal Fibrosing Alopecia
A woman's skin darkened after using dutasteride and pimecrolimus for hair loss, but improved when she stopped the medications and protected her skin from light.
research Segmental vitiligo with confetti-like peripheral depigmentation.
Segmental vitiligo affects hair follicle melanocytes, causing small, uniform depigmented spots.
research Erythromelanosis follicularis faciei et colli with reticulated hyperpigmentation of the extremities
A rare skin condition causes red and dark patches on the face and limbs.
research Repigmentation of Leukotrichia Due to Retrograde Migration of Melanocytes After Noncultured Epidermal Suspension Transplantation
The treatment improved hair color in most vitiligo patients without major side effects.
research Giant congenital cerebriform pigmented nevus of scalp: case report
Complete removal of large scalp nevi is recommended to prevent complications.
research FOCAL HYPERTRICHOSIS DURING TOPICAL TACROLIMUS THERAPY FOR CHILDHOOD VITILIGO
An 8-year-old girl with vitiligo developed extra hair growth on her knee after using tacrolimus ointment.
research Skin Pigmentation Types, Causes and Treatment—A Review
Skin pigmentation varies due to genetics, UV exposure, and drugs, with treatments available but requiring medical advice.
research Umbilical cord as a source of mesenchymal stem cells improves melasma in parturients: a clinical randomized trial
Umbilical cord masks can help reduce melasma in postpartum women.
research Melanotrichoblastoma: A Histopathological Case Report of a Rare Pigmented Variant of Trichoblastoma
A rare pigmented skin tumor called melanotrichoblastoma was diagnosed in a 51-year-old woman.
research The Dark Side of Gefitinib: Reflectance Confocal Microscopy Applied to Hair Hyperpigmentation
Gefitinib can cause hair and eyebrow darkening.
research A retrospective review of hyperaesthetic leucotrichia in horses in the USA
Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
research Follicular vitiligo: A rare clinical variant of a common entity
Follicular vitiligo causes hair to gray without skin color loss.
research Acitretin-Induced Repigmentation of Gray Hair: A Case Report
Acitretin treatment unexpectedly darkened a patient's gray hair.
research An unusual case of increased hair pigmentation in previously grey-white hair
A 73-year-old man's grey-white hair turned dark brown after eczema treatment.