research Histopathologic Findings of Cutaneous Hyperpigmentation in Addison Disease and Immunostain of the Melanocytic Population
The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
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research Reversible Hyperpigmentation: A Diagnostic Dilemma
Vitamin B12 deficiency can cause reversible skin darkening.
research Hair and nail disorders
Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
research Oral Pigmentation as a Sign of Addison’s Disease: A Brief Reappraisal
Oral pigmentation can be a sign of Addison's disease.
research The Peripheral Clock Regulates Human Pigmentation
Certain genes control the color of human hair by affecting pigment production.
research Hair Follicle Pigmentation
Hair color is determined by melanin produced and transferred in hair follicles.
research Role of Dermal Melanocytes in Cutaneous Pigmentation of Stasis Dermatitis
Melanin and melanocytes contribute to the brown pigmentation in stasis dermatitis.
research Temporal Variations of Skin Pigmentation in C57Bl/6 Mice Affect Optical Bioluminescence Quantitation
Increased skin pigmentation in mice reduces bioluminescent signal accuracy.
research Enhanced Differentiation Potential of Pigmented Human Epidermal Equivalents
PmtHEE is a better model for studying pigmented skin because it includes melanocytes and shows improved cell differentiation.
research Skin Hyperpigmentation in Complex Regional Pain Syndrome (CRPS) (P3.315)
Skin pigmentation increases in CRPS-affected areas and improves with symptom relief.
research Is increased constitutive skin and hair pigmentation an early sign of puberty?
Darker skin in 10-year-old girls may be an early sign of puberty.
research Localized Hair Repigmentation in a 91-Year-Old Woman
A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
research Increased PHGDH expression promotes aberrant melanin accumulation
Higher PHGDH levels cause unusual melanin buildup in hair follicles.
research Genetic Basis of Pigmentation and Its Disorders
Understanding genes can help diagnose and treat skin color disorders.
research Reversible Facial Hyperpigmentation Associated With Vitamin B12 Deficiency
Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
research Reversible hyperpigmentation of skin and nails with white hair due to vitamin B12 deficiency
Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
research Difference Between Pigmented and Nonpigmented Skin
Skin diseases look different on pigmented and nonpigmented skin.
research Primary localized cutaneous amyloidosis presenting as pigmented papules over pinna
Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.
research 1363 Hair follicle growth and pigmentation during ageing
The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.
research Repigmentation of leukoderma in a piebald patient associated with a novel c-KIT gene mutation, G592E, of the tyrosine kinase domain
A new gene mutation may allow some piebaldism patients to regain skin color in white patches.
research Clinical and Physiological Determinants of Restorative Dermopigmentation:
Restorative dermopigmentation improves skin appearance and function by addressing specific skin issues.
research The color of skin: white diseases of the skin, nails, and mucosa
The document concludes that while white skin, nail, and mucosa diseases increase skin cancer risk, they are generally harmless, especially compared to darker pigmentation conditions.
research Reversible Hyperpigmentation of Skin and Nails With White Hair due to Vitamin B12 Deficiency
Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
research Spontaneous hair hyperpigmentation in response to vitamin intake in pregnancy—A clue for homocystinuria
Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
research Nail pigmentation may be an early sign of minocycline-associated cutaneous pigmentation: A systematic review
Nail color change might be an early sign of skin pigmentation from minocycline.
research Reversible cutaneous hyperpigmentation and nails with white hair due to vitamin B12 deficiency.
Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
research Transgneic Endothelin 3 Regulates Murine Pigment Production and Coat Color
The gene Endothelin 3 makes mice's fur darker by increasing pigment cells and pigment levels.
research Atypical bilateral hyperpigmented macules on the lower legs possibly due to cyclophosphamide.
Cyclophosphamide likely causes skin darkening by affecting hair follicles.
research Influence of Depigmenting Chemical Agents on Hair and Skin Color in Yellow (Pheomelanic) and Black (Eumelanic) Mice
Certain chemicals cause hair graying in black mice but not yellow mice.
research Postinflammatory hyperpigmentation: a common but troubling condition
Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.