research Folliculosebaceous Cystic Hamartoma with Spindle Cell Lipomatous and Neural Components
A woman had a unique skin growth with hair follicle, oil glands, fat cells, spindle cells, and nerve fibers.
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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 Nucleation and growth of macrofibrils in trichocyte (hard-α) keratins
Sheet formation is key to macrofibril structure differences in wool.
research Hidradenitis suppurativa lesions are associated with decreased collagen, decreased elastin, and increased neovascularization
Hidradenitis suppurativa lesions have less collagen and elastin but more new blood vessels.
research The Histology of Keratin Fibers
research BMP4 and nuclear laminC orchestrate a expression of AHF/Trichohyalin molecule, a key modulator of keratin intermediate filaments in the hair follicle
research Disulfide Cross-Linked Network Structure of Intermediate Filament and Matrix in Hair and Wool Cortices
Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
research The distributions of type IV collagen .ALPHA. chains in basement membranes of human epidermis and skin appendages
Type IV collagen chains vary in different parts of human skin, with specific patterns linked to melanocytes.
research A case of localized follicular hamartoma: an ultrastructural and immunohistochemical study
The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
research Keratin formation in the hair follicle
Keratin fibrils in hair form and stop growing at specific points in the follicle.
research Trichofolliculoma: case report with immunohistochemical study of cytokeratins
Trichofolliculoma has specific cytokeratin patterns that help in its diagnosis.
research Reliability of Histopathology for the Early Recognition of Fibrosis in Traction Alopecia: Correlation with Clinical Severity
Histopathology is not reliable for detecting early fibrosis in traction alopecia or for showing how severe it is.
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 Human keratin hydrogels support fibroblast attachment and proliferation in vitro
research Trichoscopy findings in loose anagen hair syndrome: rectangular granular structures and solitary yellow dots
Rectangular black granules, solitary yellow dots, and mostly single-hair follicles suggest Loose Anagen Hair Syndrome.
research Hidradenitis Suppurativa Tunnels: Unveiling a Unique Disease Entity
Hidradenitis suppurativa tunnels worsen the disease and often need surgery because current treatments are not very effective.
research Trichilemmal carcinoma metastatic to parotid gland: First report of fine needle aspiration cytology features
Trichilemmal carcinoma can spread to the parotid gland and be diagnosed using fine-needle aspiration cytology.
research Immunohistochemical dissection of cystic panfolliculoma focusing on the expression of multiple hair follicle lineage markers with an insight into the pathogenesis
Cystic panfolliculoma resembles hair follicle tumors due to specific cell interactions.
research Some electron microscope observations on hardening in the human hair follicle
The hair follicle structure is more complex than thought, with new findings on protein formation.
research 5a Trichoepithelioma
Trichoepithelioma and desmoplastic trichoepithelioma have distinct features that can be identified using reflectance confocal microscopy.
research Pili Trianguli et Canaliculi Is a Defect of Inner Root Sheath Keratinization
The hair defect is due to abnormal inner root sheath keratinization.
research Structural Transition of Trichocyte Keratin Intermediate Filaments During Development in the Hair Follicle
research Histologische Untersuchungen an der bindegewebigen Wurzelscheide des Sinushaarfollikels bei der Katze: das Sinuskissen
The "sinuskissen" in cat hair follicles is mostly connective tissue, affecting fluid flow.
research A Novel Marker of Tissue Junctions, Collagen XXII
Collagen XXII is a marker for tissue junctions, aiding in structural integrity and found in muscles, heart, skin, and arthritic joints.
research Ultrastructural Localization of Hair Keratins in Human Scalp Hair Shafts as Revealed by Rapid-Freezing Immunocytochemistry.
Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
research Pathogenesis of pili annulati
Pili annulati is caused by a protein metabolism disorder affecting hair structure.
research Hard Keratin IF and Associated Proteins
research Solitary Nodular Lesion Over Face
A rare, benign facial tumor called fibrofolliculoma was successfully treated with surgery.
research Hair Matrix Cyst
Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
research Trichoscopic findings of discoid lupus erythematosus alopecia: A cross-sectional study
Shiny white structures in trichoscopy can indicate long-standing discoid lupus erythematosus alopecia.