research Pathologic Quiz Case: A Nodule on the Back
The nodule on the woman's back was a benign hair follicle tumor, not cancer, but needed removal.
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research Nodules on the hair: A rare case of mixed piedra
A woman's scalp nodules were successfully treated with antifungal and anti-lice medications, revealing a rare case of mixed piedra infection.
research Multiple, hereditary dome-shaped papules and acrochordons. Birt-Hogg-Dube syndrome
The boy likely has a fungal infection causing hair loss.
research Phylloid terminal hair nevus: A unique clinical entity
A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
research Alopecic and Aseptic Nodules of the Scalp/Pseudocyst of the Scalp: Clinicopathological and Therapeutic Analyses in 11 Korean Patients
The research provided insights into the presentation and management of alopecic and aseptic nodules of the scalp.
research Late onset nevus comedonicus of scalp: a rare site for an uncommon condition
A rare skin condition appeared on a 19-year-old woman's scalp.
research Nevus Sebaceus With Novel HRAS Sequence Variant Mutation Misdiagnosed as Alopecia Areata
A 12-year-old girl was misdiagnosed with alopecia areata but actually had a nevus sebaceus with a genetic mutation.
research Naked Hair Shafts as a Marker of Cicatricial Alopecia
Naked hair shafts are significantly associated with scarring hair loss and may help diagnose it, especially when multiple are found.
research Generalized Hair Casts Due to Traction
Hair casts can be treated with physical removal and special shampoos.
research Trichorrhexis Nodosa Secondary to Argininosuccinicaciduria
Hair thinning and loss in a girl with a rare metabolic disorder was linked to her condition.
research Hair Matrix Cyst
Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
research Trichorrhexis nodosa. Clinical and investigative studies
Trichorrhexis nodosa is mainly caused by hair trauma, not a metabolic defect.
research Netherton's Syndrome.
A 7-year-old girl was diagnosed with Netherton's Syndrome, shown by skin and hair symptoms.
research Woolly hair nevus
A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
research Monilethrix unveiled by initial androgenetic alopecia.
An 11-year-old girl with hair thinning was diagnosed with monilethrix and early androgenetic alopecia.
research Sebaceous Trichofolliculoma -A Case Report-
An 18-year-old boy had a harmless skin nodule near his nose with hair and oil glands inside.
research 130 Expression of nidogen1 in basal cell carcinoma
Higher levels of nidogen1 and type IV collagen are found in basal cell carcinoma compared to normal skin.
research Canestick Lesion of Vellus Hair in Netherton's Syndrome
Recognizing the "bamboo hair defect" is crucial for diagnosing Netherton's syndrome.
research Coexistence of giant blue nevus of the scalp with hair loss and alopecia areata
A giant blue nevus on the scalp can cause hair loss and may damage underlying structures.
research Epidermal Nevi
Epidermal nevi are skin cell clusters linked to various syndromes.
research Generalized trichorrhexis nodosa
The hair disorder was caused by abnormal protein formation, making hair easily damaged.
research Adult Onset Hair Casts: Nits Which Do Not Itch!
Hair casts are harmless but can be mistaken for head lice.
research Rapidly growing hand nodule
A 69-year-old woman has a fast-growing hand lesion that didn't improve with salicylic acid.
research Acquired Localized Trichorrhexis Nodosa Secondary to Cultural Practices
Vigorous rubbing of herbal powder on the scalp caused hair damage and loss.
research Hair casts
Hair casts can be mistaken for lice, so correct identification is important.
research Diffuse loss of hair with papules
The young man has complete hair loss and skin bumps, with no other health issues or family history.
research A case of acquired trichorrhexis nodosa after applying new hair spray
New hair spray caused a hair shaft disorder.
research Epithelial skirt and bulge of human facial vellus hair follicles and and associated Merkel cell-nerve complex
Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
research Vainas peripilares
The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
research JAAD Grand Rounds quiz∗
The document explains the diagnosis and characteristics of woolly hair nevus and alopecia neoplastica.