research Atypical and giant proliferating pilomatrixoma of the eyelid: a clinicopathological report
Surgical removal of eyelid mass showed it was non-cancerous, with no recurrence after one year.
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research Pilomatricoma on the Abdomen with Overlying Striae Distensae: A Unique Presentation
A rare case of a benign hair follicle tumor with unusual skin changes highlights the need for timely diagnosis to prevent potential cancer.
research Folliculosebaceous cystic hamartoma with hair shaft fragments.
A rare ear cyst contained hair fragments.
research Hair Matrix Cyst
Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
research A New Case of Trichothiodystrophy Associated with Autism, Seizures, and Mental Retardation
A rare case of trichothiodystrophy was found with autism, seizures, and mental retardation.
research Alopecia neoplastica caused by desmoplastic melanoma
A rare skin cancer caused hair loss and spread, needing multiple treatments.
research Deep facial mycosis due to Trichophyton verrucosum—molecular genetic identification of the dermatophyte in paraffin‐embedded tissue—case report and review of the literature
An 80-year-old man's deep beard infection was cured with oral terbinafine after identifying the fungus Trichophyton verrucosum.
research Eyelid Pilomatrixomas: A Case Report and Comprehensive Literature Review
Eyelid pilomatrixomas are rare, benign tumors that need accurate diagnosis for proper treatment.
research Causes and Management of Hypertrichosis
research Transduction‐induced overexpression of Merkel cell T antigens in human hair follicles induces formation of pathological cell clusters with Merkel cell carcinoma‐like phenotype
Overexpressing Merkel cell virus proteins in human hair follicles can create clusters of cells that resemble Merkel cell cancer.
research Skin tumors with matrical differentiation: lessons from hair keratins, beta‐catenin and PHLDA‐1 expression
Matrical tumors share a common growth mechanism involving the Wnt pathway and consistent PHLDA1 expression.
research Trichoscopy
Trichoscopy helps diagnose different hair diseases effectively.
research Coexisting trichorrhexis nodosa and pili annulati: a case report of hair shaft abnormalities in a syrian family
A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
research Beyond the Matrix: A Rare Case of Pilomatrix Carcinoma with Histologic Insights
Accurate diagnosis of rare pilomatrix carcinoma is crucial for effective treatment.
research Rare Diagnosis of a Proliferating Pilar Tumor in a Facial Hairline Cryst
The lump on a woman's scalp was a rare, potentially cancerous tumor from the hair follicle, not a common cyst.
research When the algorithm fails and experience wins: An extraordinary trichoscopic case
Thorough hair examination is crucial for accurate diagnosis and treatment.
research Pathogenesis in Trichorrhexis Invaginata (Bamboo Hair)
research 877 Small T antigen from a folliculotropic polyomavirus activates canonical Wnt/β-catenin signaling in vivo
A virus protein can activate a pathway that may lead to abnormal hair follicle development.
research The value of trichoscopy in the differential diagnosis of scalp lesions in pemphigus vulgaris and pemphigus foliaceus
Trichoscopy helps tell apart scalp lesions in pemphigus vulgaris and pemphigus foliaceus and is useful for choosing biopsy locations.
research Ingrown Hairs: A Recurrent Trichoscopic Feature in Scarring Alopecias
Ingrown hairs are a common feature in scarring alopecias due to follicular damage.
research Facial Follicular Spicules: A Rare Cutaneous Presentation of Trichodysplasia Spinulosa
Trichodysplasia spinulosa can occur after a heart transplant due to immunosuppressive drugs.
research A previously undescribed cutaneous paraneoplastic syndrome in a cat with thymoma
Thymoma in cats can cause hair loss without inflammation.
research Pigmented Epithelioid Melanocytoma (PEM)/Animal Type Melanoma (ATM): Quest for an Origin. Report of One Unusual Case Indicating Follicular Origin and Another Arising in an Intradermal Nevus
The conclusion is that Pigmented Epithelioid Melanocytoma can start from hair follicle stem cells or from a mole on the skin.
research Warty Dyskeratoma Involving Two Adjoining Follicles
A rare scalp tumor involving two hair follicles was successfully removed with surgery, with no recurrence after 7 months.
research Trichomegaly in a 3-Year-Old Girl with Alopecia Areata
A young girl developed unusually long eyelashes with a hair loss condition without other health issues or medication causes.
research Trichorrhexis nodosa. Clinical and investigative studies
Trichorrhexis nodosa is mainly caused by hair trauma, not a metabolic defect.
research Trichoscopy features of trichotillomania
Trichotillomania shows specific signs like black dots and uneven hair lengths but lacks certain features of alopecia areata.
research Trichophyia and hypertrichosis: A side effect of foam sclerotherapy
Foam sclerotherapy for varicose veins may cause unexpected hair growth.
research Epidermal Choristoma of the Oral Cavity: Report of 2 Cases of an Extremely Rare Entity
research Eyebrow Pilomatrixoma Presenting With Localized Alopecia and Skin Hypopigmentation
A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.