research Multiple Trichofolliculomas Mimicking Multiple Trichoepitheliomas
Multiple trichofolliculomas can look like multiple trichoepitheliomas on the face.
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210-240 / 1000+ resultsresearch Beyond the Matrix: A Rare Case of Pilomatrix Carcinoma with Histologic Insights
Accurate diagnosis of rare pilomatrix carcinoma is crucial for effective treatment.
research P422 : Eruptive syringoma: an unusual presentation with androgenetic alopecia
A 25-year-old man had an unusual case of benign skin tumors and hair loss.
research Expression of E6 and E7 papillomavirus oncogenes in the outer root sheath of hair follicles extends the growth phase and bypasses resting at telogen.
E6/E7 oncogenes in hair follicles cause continuous hair growth by skipping the resting phase.
research Multiple congenital smooth muscle hamartoma: A case report
Early and accurate diagnosis of congenital smooth muscle hamartomas is crucial to distinguish them from other conditions.
research Rippled‐pattern trichomatricoma
A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
research Establishment and Characterization of Immortalized Human Dermal Papilla Cells Expressing Human Papillomavirus 16 E6/E7
Immortalized human dermal papilla cells were created that grow better and can still help form hair.
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 Merkel Cells in Hyperplastic and Neoplastic Lesions of the Skin
Merkel cell increase is specific to certain skin diseases, not general skin growth.
research Congenital cutaneous lymphadenoma
An 8-year-old girl had a rare, benign skin tumor on her forehead.
research Acquired hypertrichosis lanuginosa: Case report and review of the literature
A woman with breast cancer developed a rare condition causing excessive fine hair growth on her face and body.
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 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 Trichodysplasia spinulosa: A benign adnexal proliferation with follicular differentiation associated with polyomavirus
Trichodysplasia spinulosa is a rare skin condition caused by a virus, treatable with antiviral medication.
research Eccrine Duct Dilation as a Marker of Cicatricial Alopecia
Enlarged sweat gland ducts may indicate scarring hair loss.
research Seborrheic keratosis
Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
research Skin tumors with matrical differentiation: lessons from hair keratins, beta‐catenin and PHLDA ‐1 expression
Matrical tumors share a common growth mechanism involving the Wnt pathway and consistent PHLDA1 expression.
research Trichofolliculoma in a Family – An Unusual Occurrence
A rare family case of multiple benign hair follicle tumors was identified, highlighting the need to distinguish them from similar conditions.
research Characterization of Novel Cutaneous Human Papillomavirus Genotypes HPV-150 and HPV-151
HPV-150 and HPV-151 are rare skin viruses linked to warts and some skin cancers.
research Phylloid terminal hair nevus: A unique clinical entity
A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
research Hypopigmented facial lesions: a case of eruptive tumor of follicular infundibulum
Consider TFI in facial hypopigmentation diagnoses and confirm with a biopsy.
research Polyclonal origin and hair induction ability of dermal papillae in neonatal and adult mouse back skin
Dermal papillae cells, important for hair growth, come from multiple cell lines and can be formed by skin cells, regardless of their origin or hair cycle phase. These cells rarely divide, but their ability to shape tissue may contribute to their efficiency in inducing hair growth.
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.
research A case of congenital pili multigemini
A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
research Atypical and giant proliferating pilomatrixoma of the eyelid: a clinicopathological report
Surgical removal of eyelid mass showed it was non-cancerous, with no recurrence after one year.
research Biological characteristics and functions of dermal papilla cells
Dermal papilla cells play a key role in hair growth and health.
research Nevus psiloliparus: Newly described histopathological features from transverse sections
Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
research Transgenic mice overexpressing protein kinase C epsilon in their epidermis exhibit reduced papilloma burden but enhanced carcinoma formation after tumor promotion.
Overexpressing PKCepsilon in mice reduces papillomas but increases carcinomas.
research A case of trichogerminoma: a rare cutaneous follicular neoplasm
Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.
research Focal perifollicular mucinosis of the eyelid presenting as a benign nevus
A rare skin condition was misdiagnosed as a harmless mole on a woman's eyelid.