research Pilomatricoma with Florid Osseous Metaplasia: A Cytologist’s Perspective
A rare skin tumor with bone formation was successfully removed without recurrence.
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research Hierarchical patterning modes orchestrate hair follicle morphogenesis
Hair follicle patterns form through a mix of self-organization and signaling interactions.
research Expression patterns of hair and epithelial keratins and transcription factors HOXC13, LEF1, and β‐catenin in a malignant pilomatricoma: a histological and immunohistochemical study
The malignant pilomatricoma showed strong epithelial keratin expression, suggesting it may not calcify.
research Quisto matrical. Diagnósticos diferenciais.
The skin lesion was diagnosed as a matrical cyst with unusual features.
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 5a Trichoepithelioma
Trichoepithelioma and desmoplastic trichoepithelioma have distinct features that can be identified using reflectance confocal microscopy.
research Hypopigmented facial lesions: a case of eruptive tumor of follicular infundibulum
Consider TFI in facial hypopigmentation diagnoses and confirm with a biopsy.
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 An immunohistochemical study of the apocrine type of cutaneous mixed tumors with special reference to their follicular and sebaceous differentiation
Apocrine type cutaneous mixed tumors often resemble hair follicles, sebaceous glands, and apocrine glands.
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 Cystic panfolliculoma of the conchal bowl
Cystic panfolliculoma is a rare, harmless tumor that can be confused with other skin tumors.
research In brief
Pilomatricomas don't follow the usual hair follicle cell differentiation process.
research Solitary papule with central crater in a young man: Dermoscopy picks the clue
A young man's cheek papule was identified as a benign hair follicle tumor using a skin surface microscope.
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 Skin Deep and Deeper: Multiple Pathways in Basal Cell Carcinogenesis
The research suggests new treatments for skin cancer could target specific cell growth pathways.
research The clinicopathological spectrum of trichoepitheliomas: a retrospective descriptive study
Trichoepitheliomas can be hard to distinguish from other skin conditions and often start in teenage years.
research 089 Neoplasms bypass immune evasion via hair follicle residence
Neoplasms hide in hair follicles to avoid the immune system.
research Cells within the bulge region of mouse hair follicle transiently proliferate during early anagen: heterogeneity and functional differences of various hair cycles
Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
research Vascular Endothelial Growth Factor Is an Autocrine Growth Factor for Hair Dermal Papilla Cells
research Multiple desmoplastic trichoepitheliomas with ossification and cholesterol deposition
A man had rare skin tumors with bone formation and cholesterol deposits.
research Multifocal Malignant Proliferating Trichilemmal Tumour: A Diagnostic Imitator Beyond the Scalp
Recognizing specific markers is crucial for correctly diagnosing and treating rare multifocal MPTT in males.
research Trichilemmal Cysts With Divergent Ductal Differentiation: A Series of 4 Cases
Sweat duct differentiation in trichilemmal cysts is very rare and can be successfully removed with surgery.
research Overexpression of insulin-like growth factor-1 induces hyperplasia, dermal abnormalities, and spontaneous tumor formation in transgenic mice
Overexpressing IGF-1 in mice leads to skin abnormalities and tumors.
research Sebaceous Trichofolliculoma -A Case Report-
An 18-year-old boy had a harmless skin nodule near his nose with hair and oil glands inside.
research 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 Targetoid Hair Regrowth Pattern in Alopecia Areata: A Case Series
A rare hair regrowth pattern can occur in some people with alopecia areata.
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 Perinevoid Alopecia and Concentric Regrowth: Two Atypical Patterns of Alopecia Areata
Recognizing perinevoid alopecia and concentric regrowth is important for diagnosing and treating alopecia areata.
research Hybrid Eccrine Gland and Hair Follicle Hamartoma
A rare skin growth in a baby was successfully removed without coming back.
research Epidermal cyst containing numerous spherules of keratin
The cyst had unusual keratin spherules and resembled bone marrow.