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.
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30-60 / 1000+ resultsresearch 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 DP18 A mimicker of melanoma on sun-exposed sites
Melanocytic matricoma can look like skin cancer but is usually harmless; surgery and follow-up are advised.
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 Pilomatricoma of the calf: a case report and review of literature
Surgeons should know about pilomatricoma for accurate diagnosis, even though it's rare.
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 Multiple follicular abnormalities in a 1‐year old cat consistent with basaloid follicular hamartomas
A one-year-old cat had multiple benign skin tumors similar to those known in humans.
research PILOMATRIXOMA OF FACE PRESENTING AS PAROTID SWELLING
A young woman had a rare, usually non-cancerous tumor on her face that was initially mistaken for a different condition.
research Pilomatricoma with Florid Osseous Metaplasia: A Cytologist’s Perspective
A rare skin tumor with bone formation was successfully removed without recurrence.
research Tricholemmoma and tricholemmal carcinoma and Cowden syndrome
Tricholemmoma is linked to Cowden syndrome and can be benign or malignant.
research Progeny of Lgr5-expressing hair follicle stem cell contributes to papillomavirus-induced tumor development in epidermis
research Pathologic Quiz Case: A 69-Year-Old Man With a Brown-Black Facial Papule
A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
research Human papillomavirus 60-positive epidermal cyst and wart at a nonpalmoplantar location
HPV 60 may cause cysts and warts on the face, not just hands and feet.
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 Solitary, subcutaneous, fixed, firm, and fast-growing nodule
A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.
research Pilomatricoma on the Abdomen with Overlying Striae Distensae: A Unique Presentation
A rare case of a benign hair follicle tumor with unusual skin changes highlights the need for timely diagnosis to prevent potential cancer.
research Tumors of the follicular infundibulum
Benign tumors from hair follicles can look like other skin cancers but have distinct features under dermoscopy.
research Giant folliculosebaceous cystic hamartoma
A 15-year-old boy had a rare skin growth on his buttock.
research 137 Loss of myeloid Mcpip1 suppresses hair growth and development of epidermal papilloma of the skin
Removing MCPIP1 from myeloid cells in mice leads to hair loss and prevents skin tumors but causes pigmented spots.
research Hand Pilomatrixoma: A Rare Localization
A rare hair follicle tumor in the hand was successfully removed with no return after four years.
research Seborrheic keratosis
Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
research Mucinosis folicular. Reporte de un caso pediátrico
Follicular mucinosis in a 15-year-old is usually harmless but needs monitoring for possible lymphoma.
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 Unilateral keratosis pilaris atrophicans faciei mimicking follicular mucinosis
A 19-year-old man had a rare skin condition on one side of his face that looked like another skin disease.
research Bilateral madarosis due to papular mucinosis
Papular mucinosis can cause eyebrow hair loss, but treatment can lead to regrowth.
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 Differentiation and Apoptosis in Pilomatrixoma
Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
research Pilomatricoma in Syndromic Contexts: A Literature Review and a Report of a Case in Apert Syndrome
Pilomatricomas are often linked to genetic syndromes, especially Apert syndrome, and genetic analysis is crucial for diagnosis.
research Nevus psiloliparus: Newly described histopathological features from transverse sections
Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.