research Hair Casts
Hair casts may be caused by repetitive hair pulling or styling and are often misdiagnosed.
Search
for
Sort by
Research
450-480 / 1000+ results 
research Lupus comédonien
A man was diagnosed with a rare form of lupus after showing unique skin symptoms that responded well to treatment.
research Disseminated Nonsegmental Vitiligo Associated With Halo Nevi and Premature Gray Hair
A rare combination of halo nevi, nonsegmental vitiligo, and early gray hair can occur together.
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 Primary Proca hair and the double-peak optics of black holes
Black holes with primary Proca hair can have unique shadows with inner rings, affecting how we observe them.
research Perinevoid Alopecia: Report of Two Cases and Literature Review
Antigens from skin cells may cause hair loss in perinevoid alopecia.
research Trichoscopic findings of discoid lupus erythematosus alopecia: A cross-sectional study
Shiny white structures in trichoscopy can indicate long-standing discoid lupus erythematosus alopecia.
research Striking White Hair
Poliosis causes white hair patches due to lack of melanin.
research A Prospective Study of Dermoscopic and Ultrastructural Features of Vitiligo-Associated Leukotrichia
The study found that white hair in vitiligo has specific patterns and structures, which vary with the stage of the disease and may be similar to another hair condition.
research Unilateral heterochromia of scalp hair with adjacent hypomelanotic skin lesions
The boy's hair and skin color differences are due to a pigmentation disorder.
research Pinpoint white dots in the scalp: Dermoscopic and histopathologic correlation
Small white dots on the scalp seen with a dermoscope correspond to sweat ducts and vary with different hair disorders.
research Influence of Extended Photoperiod Using Blue Light Masks on Hypertrichosis, Coat Condition and General Health Parameters in Horses with Pituitary Pars Intermedia Dysfunction
Blue light masks improved coat condition and energy in horses with PPID.
research White piedra and pediculosis capitis in the same patient
A patient had both white piedra and head lice, showing their differences.
research Follicular red dots in areas with an anatomic colocalization of alopecia areata and vitiligo
Follicular red dots can appear where alopecia areata and vitiligo overlap.
research Reflectance Confocal Microscopy of the Yellow Dot Pattern in Alopecia Areata
Reflectance confocal microscopy confirms that yellow dots are signs of damaged hair follicles in alopecia areata.
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 Numerous faces of yellow dots
Yellow dots look different in various hair loss conditions and can help diagnose them.
research Leukotrichia Developed Following Application of Intense Pulsed Light for Hair Removal
Some people's hair turned white or gray after using intense pulsed light for hair removal, and for some, it was permanent.
research Pigmented Rings With Central Clearing: A Dermoscopic Feature of Melasma
Pigmented rings with central clearing help diagnose melasma more accurately.
research Bilateral Eyelash Poliosis with Raccoon Erythema and Hypopigmentation-Contact Follicular Leukoderma
Topical eyedrops may cause eyelash whitening and skin lightening around the eyes.
research Reflectance confocal microscopy can differentiate dermoscopic white dots of the scalp between sweat gland ducts or follicular infundibulum
Reflectance confocal microscopy can tell apart white dots on the scalp as either sweat gland ducts or hair follicle openings.
research Alopecia areata and poliosis: A retrospective analysis of 258 cases
White hairs often regrow in alopecia areata patches.
research Alopecia areata with white hair regrowth: case report and review of poliosis
White hair regrowth in alopecia areata may be more common than thought.
research Ring-shaped Alopecia on the Scalp in a 3-month-old Infant
The infant's hair loss resolved naturally by 20 months without treatment.
research BH21 Segmented heterochromia with calibre change: an under-recognized sign of alopecia areata
Segmented hair color changes can indicate active alopecia areata.
research A comparative study of histopathologic features in alopecia areata and pattern hair loss
The study found certain scalp biopsy features can help tell apart alopecia areata from pattern hair loss even when typical immune cells are not seen.
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 Halo scalp ring: an undiagnosed neonatal scalp alopecia
Halo Scalp Ring is a rare newborn hair loss that can be missed, and early diagnosis can avoid extra tests and worry for parents.
research Persistent Halo Scalp Ring Alopecia in a-9-Months Old Infant: Case Report
A 9-month-old baby had a rare, persistent ring-shaped hair loss condition.
research Banded Scalp Hair with an Unusual Glistening Appearance in a Teenager: A Quiz
A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.