research Immunoperoxidase anti-keratin staining of epidermal and pilar cysts
Epidermal cysts come from the skin, while pilar cysts come from hair follicles.
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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 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 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 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.
research Histopathologic Criteria for Follicular Differentiation
The document outlines criteria to identify and differentiate neoplasms based on follicular characteristics.
research 1375 Cutaneous adnexal cysts revisited: A novel classification based on morphological and molecular features
The conclusion introduces a new way to classify skin cysts using their shape and genetic markers.
research 5a Trichoepithelioma
Trichoepithelioma and desmoplastic trichoepithelioma have distinct features that can be identified using reflectance confocal microscopy.
research Cytokeratin 15 expression in trichoepitheliomas and a subset of basal cell carcinomas suggests they originate from hair follicle stem cells
Trichoepitheliomas and some basal cell carcinomas likely come from hair follicle stem cells.
research Clinicopathological study of cutaneous adnexal cyst with some unusual presentation
Most skin cysts were common types found in unusual body parts, and examining tissue samples is important for accurate diagnosis.
research Dermal Adnexal Neoplasms: Exploring Rare Variants and Their Clinical Behavior
Histopathology is crucial for accurately diagnosing and predicting outcomes of skin adnexal tumors.
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 Cutaneous Tumours of Pilar Origin with Associated Syndromes
Some skin tumors from hair follicles and glands can be linked to genetic syndromes and may be benign or malignant.
research Onycholemmal Carcinoma
A rare nail bed cancer was successfully treated with no recurrence after 4 years.
research Rippled‐pattern trichomatricoma
A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
research Desmoplastic tricholemmoma in a dog
A dog had a rare skin tumor called desmoplastic tricholemmoma.