research Proliferating trichilemmal cyst with histological malignant transformation: Identification of hair sheath keratins in the tumor.
A hair cyst can become cancerous, showing specific keratins from the hair sheath.
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30-60 / 1000+ resultsresearch A malignant proliferating trichilemmal cyst arising on the elbow of a man: A case report and review of the literature
A rare skin cancer on a man's elbow was successfully treated with surgery, showing no recurrence after one year.
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 A Rare Case of Proliferating Trichilemmal Tumor Treated with Radiotherapy
Radiotherapy effectively treated a large scalp tumor in an elderly woman, avoiding surgery.
research A Case of Proliferating Trichilemmal Cyst with Trichoepitheliomatous Change
A young woman had a rare scalp tumor usually found in older women.
research Identical p53 gene mutation in malignant proliferating trichilemmal tumour of the scalp and small cell carcinoma of the common bile duct: the necessity for therapeutic caution?
Identical p53 gene mutations in different cancers suggest the need for careful treatment.
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 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 Cutaneous Adnexal Cysts Revisited: What We Know and What We Think We Know
A new classification system for skin cysts was proposed to improve diagnosis.
research Immunoperoxidase anti-keratin staining of epidermal and pilar cysts
Epidermal cysts come from the skin, while pilar cysts come from hair follicles.
research Naevus trichilemmocysticus – the first paediatric case of a newly delineated organoid naevus
The first pediatric case of naevus trichilemmocysticus was documented.
research The Ultrastructure of Tissue Attached to Telogen Hair Roots
Recognizing specific tissue types on telogen hair roots can improve DNA typing.
research [An immunohistochemical study on cell differentiation in the outer root sheath of the normal human anagen hair follicles with antikeratin monoclonal antibodies].
Keratinocytes in hair follicles differentiate similarly to skin cells, with specific patterns in different regions.
research PLCD1 and Pilar Cysts
The research linked PLCD1 gene variants to the development of trichilemmal cysts.
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.
research A previously undescribed cutaneous paraneoplastic syndrome in a cat with thymoma
Thymoma in cats can cause hair loss without inflammation.
research Follicular Hybrid Cyst With Isthmic-Catagen, Pilomatrical, and Syringocystadenoma Papilliferum Components
A rare neck cyst in a 47-year-old man showed diverse skin cell types and was not linked to HPV.
research Infections, Infestations and Neoplasms of the Scalp
The chapter explains common scalp conditions, including infections, infestations, and tumors.
research Trichilemmoma.Features of keratin expression in CS-5 trichocyst system tumors.
Immunohistochemistry helps accurately identify and differentiate malignant trichilemmoma.
research A Mosaic Hotspot PLCD1 Variant, Detectable in Blood‐Derived DNA , Associated With Nevus Trichilemmocysticus
A rare genetic variant linked to skin cysts was found in blood DNA, suggesting its role in cyst formation.
research Onycholemmal horn: A distinctive subungual tumour
Onycholemmal horn is a rare nail tumor in elderly women, treated by surgical removal.
research A 43-Year-Old Woman with a Solitary, Asymptomatic Nodule on the Scalp
A woman's scalp nodule was a common, harmless pilar cyst, treated by surgical removal.
research Quisto matrical. Diagnósticos diferenciais.
The skin lesion was diagnosed as a matrical cyst with unusual features.
research Cycle pilaire et alopécie X chez le chien
Alopecia X in dogs is a cosmetic issue, not a hormonal disorder, and harmful treatments should be avoided.
research Proliferating Hybrid Follicular Tumor
A unique type of complex cyst was found on a man's scrotum.
research Trichilemmoma.Cell biology of the normal human outer root sheath.
The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
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 Immunohistochemical Study of Calretinin in Normal Skin and Cutaneous Adnexal Proliferations
Calretinin can help identify certain skin structures and tumors.
research Controversial Concepts
The author now believes tricholemmal carcinoma is a rare type of infundibular squamous cell carcinoma and more research is needed on these tumors.
research Differential expression of phospho‐S6 in hair follicle tumors: Evidence of mammalian target of rapamycin pathway activation
The mTOR pathway may be involved in the development of hair follicle tumors, with higher activity in malignant tumors.