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.
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330-360 / 1000+ results research Giant folliculosebaceous cystic hamartoma
A 15-year-old boy had a rare skin growth on his buttock.
research Pilomatricoma can differentiate not only towards hair matrix and hair cortex, but also follicular infundibulum, outer root sheath and hair bulge
Pilomatricoma can develop into various hair-related structures.
research Differentiation of nestin-negative human hair follicle outer root sheath cells into neurons in vitro
Human hair follicle cells can be turned into neural stem cell-like cells, which might help treat brain diseases.
research The rare association of congenital glaucoma, giant melanocytic nevus, alopecia, and hypospadias in an Egyptian child with neurofibromatosis type 1: a case report
Consider NF1 in newborns with rare congenital anomalies.
research Rippled‐pattern trichomatricoma
A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
research Dermoscopy to the rescue
Dermoscopy helps accurately diagnose and treat benign skin cysts.
research Nestin is expressed in HMB‐45 negative melanoma cells in dermal parts of nodular melanoma
Nestin helps identify certain melanoma cells in nodular melanoma.
research Reflectance confocal miscroscopy and dermoscopy analysis of a case of connective tissue nevi
Connective tissue nevi have distinct features, and reflectance confocal microscopy is useful for early diagnosis.
research Epidermal cyst containing numerous spherules of keratin
The cyst had unusual keratin spherules and resembled bone marrow.
research Trichofolliculoma in a Family – An Unusual Occurrence
A rare family case of multiple benign hair follicle tumors was identified, highlighting the need to distinguish them from similar conditions.
research Multiscale spatial mapping of cell populations across anatomical sites in healthy human skin and basal cell carcinoma
The research created a detailed map of skin cells, showing that certain cells in basal cell carcinoma may come from hair follicles and could help the cancer grow.
research CPC14 Blaschko-linear trichoepitheliomas: unveiling type 1 segmental mosaicism
A rare skin condition in a boy is likely due to a specific genetic mutation pattern.
research Cutaneous Lymphadenoma Is a Distinct Trichoblastoma-like Lymphoepithelial Tumor With Diffuse Androgen Receptor Immunoreactivity, Notch1 Ligand in Reed-Sternberg–like Cells, and Common EGFR Somatic Mutations
Cutaneous Lymphadenoma is a unique skin tumor with specific protein markers and common gene mutations that may cause continuous cell growth.
research The concept of the onychodermis (specialized nail mesenchyme): an embryological assessment and a comparative analysis with the hair follicle
The onychodermis helps anchor the nail bed and may aid in nail formation.
research Case of follicular mucinosis: Nestin‐expression in mucin‐producing cells
A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
research Steatocystoma
research Quisto matrical. Diagnósticos diferenciais.
The skin lesion was diagnosed as a matrical cyst with unusual features.
research 1322 A non-cell autonomous dermal hedgehog signaling mechanism for follicular neoplasia and induction
Mutations in the SHH pathway in certain skin cells can cause skin tumors and abnormal hair growth.
research CD10 immunohistochemistry in prurigo nodularis
research Upper Eyelid Nodule - An Unusual Presentation of Ocular Demodicosis
A 62-year-old woman got a lump on her eyelid from tiny mites, which is the first time this has happened.
research Postzygotic KRAS G12C mutation, associated with various malignancies, is also underling epidermal nevus syndrome
A specific mutation known for causing cancer is also found to cause a skin condition in a young girl.
research Interparietal nodule in a 49‐year‐old woman
A rare scalp tumor was removed from a 49-year-old woman, with a good outlook if benign but needing careful monitoring if malignant.
research Epidermal Choristoma of the Oral Cavity: Report of 2 Cases of an Extremely Rare Entity
research Hair Matrix Cyst
Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
research Melanotrichoblastoma: A Histopathological Case Report of a Rare Pigmented Variant of Trichoblastoma
A rare pigmented skin tumor called melanotrichoblastoma was diagnosed in a 51-year-old woman.
research Seborrheic keratosis
Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
research Trichofolliculoma Showing Perineural Invasion
Trichofolliculomas can sometimes be more aggressive than thought.
research Progeny of Lgr5-expressing hair follicle stem cell contributes to papillomavirus-induced tumor development in epidermis
research Tumors of the follicular infundibulum
Benign tumors from hair follicles can look like other skin cancers but have distinct features under dermoscopy.