research Tufted hair folliculitis developing in a recalcitrant lesion of pemphigus vulgaris
Scalp inflammation can cause multiple hairs to grow from one follicle.
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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 A Productive Black Facial Pore
A man had a black pore on his cheek, which was removed and found to be a hair follicle tumor.
research AN ULTRASTRUCTURAL POSTNATAL DEVELOPMENTAL STUDY OF THE INTEGUMENT OF THE PIG (SUS SCROFA)
Pig skin is similar to human skin, with no major changes as they age.
research Pigmented vellus and upright regrowing hairs as the only predictive trichoscopic markers of hair regrowth in alopecia totalis and universalis
Pigmented vellus and upright regrowing hairs predict hair regrowth in severe alopecia.
research Pseudofolliculitis barbae; current treatment options
The document concludes that stopping shaving or removing affected hair can alleviate Pseudofolliculitis barbae (PFB).
research Punctate Follicular Porokeratosis
Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
research Perifollicular Melanocyte Regeneration in Bullous Pemphigoid
Melanocytes can regenerate around hair follicles in bullous pemphigoid, especially in patients with darker 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 Hypopigmentation in frontal fibrosing alopecia
FFA patients have fewer melanocytes and thinner skin compared to others.
research 275 Nonpigmented hair removal using photodynamic therapy
Photodynamic therapy can potentially remove nonpigmented hair by damaging hair follicles.
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 Lichen planus pigmentosus and lichen planopilaris
Some people with lichen planus pigmentosus might later develop frontal fibrosing alopecia.
research Eyebrow Pilomatrixoma Presenting With Localized Alopecia and Skin Hypopigmentation
A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
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 Disorders of Hair Pigmentation
Hair color is determined by melanin and can be affected by genetic conditions like albinism.
research A case of localized follicular hamartoma: an ultrastructural and immunohistochemical study
The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
research A case of congenital pili multigemini
A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
research Follicular red dots: a normal trichoscopy feature in patients with pigmentary disorders?
Follicular red dots may be a normal feature seen in people with less skin pigmentation, not necessarily indicating a scalp disorder.
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 Trichofolliculoma: a rare variant of hair follicle hamartoma
Trichofolliculoma is a rare skin bump on the face or scalp.
research Nevus psiloliparus: Newly described histopathological features from transverse sections
Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
research Compound Follicles in Folliculitis Decalvans Do Not Contain Vellus and Retained Telogen Follicles—A Pilot Histopathologic Series on Polytrichia
Compound follicles in folliculitis decalvans mainly have active hair follicles.
research Pigmented Hair-Thickening Fibers: A Camouflage Technique for Alopecia in Patients with Epidermolysis Bullosa
Colored hair-thickening fibers can help hide hair loss in some people with Epidermolysis Bullosa but may cause scalp irritation.
research Spatiotemporal secondary hair follicle development in the Lanyu pig (Sus scrofa taivanus): a novel pelage hair follicle model
The Lanyu pig's hair follicles are similar to human ones, making it useful for studying skin healing.
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 Hair and nail disorders
Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
research Location and fine structure of melanocytes in human fetal scalp hair follicles.
Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
research Generalized Asymptomatic Cutaneous Pits and Comedones in a Young Woman
The woman has a rare skin condition called follicular Dowling-Degos disease, which has limited treatment options.
research Mucin‐poor follicular mycosis fungoides
The patient's symptoms improved with treatment but recurred when the steroid dose was reduced, requiring ongoing therapy.