research Porokeratotic adnexal ostial nevus: a paradigm of cutaneous mosaicism
PAON shows skin patterns due to genetic mosaicism.
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180-210 / 1000+ resultsresearch 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 KERATIN PHENOTYPES IN BASAL-CELL CARCINOMAS OF THE SKIN
Basal cell carcinoma shows keratin patterns similar to hair follicle structures.
research Pathologic Quiz Case: A Cutaneous Nodule on the Left Temple
The nodule was a benign cutaneous lymphadenoma, not cancer, and was successfully removed.
research Hair sheath keratins in follicular tumors. (5). Identification of hair sheath keratins in keratoacanthoma; Histopathological hair sheath structures in the tumor and their significance as differential histopathological criteria from squamous cell carcinoma.
Follicular structures help differentiate keratoacanthoma from squamous cell carcinoma.
research Data from Spontaneous Squamous Cell Carcinoma Induced by the Somatic Inactivation of Retinoblastoma and Trp53 Tumor Suppressors
Loss of the p53 gene alone causes tumors, and losing both p53 and Rb genes speeds up aggressive skin cancer.
research Keratoacanthoma and other types of squamous cell carcinoma with crateriform architecture: Classification and identification
Keratoacanthoma and some squamous cell carcinomas are linked to hair follicles, while others are not.
research Porokeratotic eccrine and hair follicle nevus: a report of two cases and review of the literature
Porokeratotic eccrine and hair follicle nevus is a very rare skin disorder possibly caused by a GJB2 gene mutation.
research Proliferating Trichilemmal Tumor Presenting as a Scrotal Mass in a Middle-Aged Male: An Uncommon Location
A rare benign tumor was found in a man's scrotum, highlighting the need for accurate diagnosis.
research Pathologic Quiz Case: A 69-Year-Old Man With a Brown-Black Facial Papule
A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
research Abstract 5202: Bone marrow-derived epithelial cells contribute to chronic skin inflammation and skin tumor formation in the mouse
Bone marrow-derived cells can lead to skin inflammation and tumors in mice.
research Porokeratotic eccrine ostial and dermal duct nevus: A noteworthy presentation
PEODDN is a rare skin disorder with limited treatment options, best treated with laser therapy.
research A case report of inflammatory nonscarring alopecia associated with the epidermal growth factor receptor inhibitor erlotinib
Erlotinib can cause nonscarring hair loss and itchy skin.
research Malignant appearance of trichilemmal cyst: a case report with review of the literature
A man's neck lump was a trichilemmal cyst, not cancer, and should be fully removed due to rare risk of becoming malignant.
research HPV8 Field Cancerization in a Transgenic Mouse Model Is due to Lrig1+ Keratinocyte Stem Cell Expansion
HPV8 causes skin cancer by expanding specific skin stem cells.
research Data from Spontaneous Squamous Cell Carcinoma Induced by the Somatic Inactivation of Retinoblastoma and Trp53 Tumor Suppressors
Loss of the p53 gene alone causes tumors, and losing both p53 and Rb genes speeds up aggressive skin cancer.
research Deregulated expression of E2F1 induces hyperplasia and cooperates with ras in skin tumor development
Overexpression of E2F1 can lead to skin tumors and disrupt hair growth.
research GRANULOSA‐THECA CELL TUMOR IN A ONE‐YEAR‐OLD INFANT
A rare ovarian tumor caused early puberty signs in a 1-year-old girl, but surgery reduced hormone levels.
research Expression of the hair stem cell-specific keratin 15 in pilar tumors of the skin.
K15 staining helps distinguish basal cell carcinoma from trichoepithelioma.
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 Incidental Merkel Cell Carcinoma Encountered During Mohs Surgery
research Targeted expression of activated erbB-2 to the epidermis of transgenic mice elicits striking developmental abnormalities in the epidermis and hair follicles.
Activated erbB-2 in mice skin causes severe skin and hair abnormalities.
research Proliferating Hybrid Follicular Tumor
A unique type of complex cyst was found on a man's scrotum.
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 Teacher CPD: towards a broader perspective
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
research Calcified Epidermal Cyst on the Neck
Calcified epidermal cysts are rare, hard skin nodules that are best treated with surgical removal.
research Injury suppresses Ras cell competitive advantage through enhanced wild-type cell proliferation
Injury boosts normal skin cell growth, reducing cancer cell advantage.
research A Case of Basal Cell Carcinoma Arising in Congenital Triangular Alopecia
A woman with a rare hair loss condition developed skin cancer in the bald area.
research Epidermal Nevi
Epidermal nevi are skin cell clusters linked to various syndromes.
research A Rare Cutaneous Hamartomatous Adnexal Tumor: Trichofolliculoma
Recognizing trichofolliculomas is important to avoid unnecessary surgery.