research Clinicopathologic study of 90 cases of trichofolliculoma
Trichofolliculoma is a unique benign tumor mainly affecting middle-aged adults' faces, often misdiagnosed without histopathology.
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720-750 / 1000+ results research Trichofolliculoma Showing Perineural Invasion
Trichofolliculomas can sometimes be more aggressive than thought.
research A RARE PRESENTATION OF A SOLITARY RIGHT LOBE THYROID NODULE IN THE BACKGROUND OF MULTINODULAR GOITER
The thyroid nodule was benign, and surgery was successful with a smooth recovery.
research Identification and characterization of Birt–Hogg–Dubé associated renal carcinoma
Somatic BHD mutations are rare in Japanese renal tumors.
research Gomez–Lopez-Hernandez Syndrome: Two New Cases and Review of the Literature
The document adds two cases of Gomez-Lopez-Hernandez syndrome and suggests including trigeminal anesthesia and scalp alopecia as key diagnostic criteria.
research 157 Analysis of the hybrid schwannoma and neurofibroma including a case report of schwannomatosis caused by a mutation in the LZTR1 gene
Some people with schwannomatosis have a new type of mutation in the LZTR1 gene.
research Ultrastructural Resemblance of Basal Cell Epithelioma to Primary Epithelial Germ
Basal cell epithelioma resembles fetal hair follicles, not adult or fetal skin.
research Multicentric calcified trichilemmal cysts with alopecia universalis affecting siblings
Two sisters had rare, widespread cysts and complete hair loss, suggesting a genetic link.
research Transduction‐induced overexpression of Merkel cell T antigens in human hair follicles induces formation of pathological cell clusters with Merkel cell carcinoma‐like phenotype
Overexpressing Merkel cell virus proteins in human hair follicles can create clusters of cells that resemble Merkel cell cancer.
research Clinical and Histologic Features of 64 Cases of Steatocystoma Multiplex
Steatocystoma multiplex is a skin condition starting around age 26, linked to hair follicles, and related to eruptive vellus hair cysts.
research Proliferating trichilemmal cyst with histological malignant transformation: Identification of hair sheath keratins in the tumor.
A hair cyst can become cancerous, showing specific keratins from the hair sheath.
research Subtle Trichilemmal Carcinoma of Neck Initially Misdiagnosed as Benign Cyst and Ultimately Treated with Mohs Micrographic Surgery
A neck lesion misdiagnosed as benign was later treated successfully with Mohs Micrographic Surgery.
research Gutartige epitheliale Neubildungen in der Haut des Hundes
Benign epithelial tumors in dogs don't spread or become cancerous.
research Hypersomatotropism in 3 Cats without Concurrent Diabetes Mellitus
Cats can have hypersomatotropism without diabetes, suggesting current diagnosis methods may miss cases.
research Kinetic topographical heterogeneity in follicular thyroid neoplasms and growth patterns
Different growth patterns in thyroid tumors are influenced by where cell growth and death occur.
research Rhombencephalosynapsis presenting antenatally with ventriculomegaly/hydrocephalus in a likely case of Gomez–López-Hernández syndrome
A 2-year-old boy with a rare brain malformation may have Gomez–López-Hernández syndrome.
research A rare case of ovarian teratoma in a 15-year-old labrador bitch
A 15-year-old female labrador had a large ovarian tumor removed.
research Rapidly growing hand nodule
A 69-year-old woman has a fast-growing hand lesion that didn't improve with salicylic acid.
research Critères dermoscopiques d’un onychomatricome
Onychomatricome is a benign nail tumor with specific dermoscopic features that help distinguish it from cancer.
research In brief
Pilomatricomas don't follow the usual hair follicle cell differentiation process.
research Adrenal myelolipoma: A rare entity
A rare adrenal gland tumor can cause unusual symptoms due to hormone changes.
research Oligosecretory multiple myeloma: Unusual presentation of a rare clinical disease
A woman with a rare form of multiple myeloma had a headache and a skull mass, which led to her diagnosis after tests and a biopsy.
research Pigmented Epithelioid Melanocytoma (PEM)/Animal Type Melanoma (ATM): Quest for an Origin. Report of One Unusual Case Indicating Follicular Origin and Another Arising in an Intradermal Nevus
The conclusion is that Pigmented Epithelioid Melanocytoma can start from hair follicle stem cells or from a mole on the skin.
research The keratoacanthoma: A review
Keratoacanthoma is a common, usually non-dangerous skin tumor that looks like squamous cell carcinoma but rarely becomes severe.
research Segmental Becker’s Nevi with Mucosal Involvement
A 16-year-old boy had a rare case of Becker's nevus on his face and mouth.
research Hair follicle tumors in dogs: A report of two cases
Two dogs had different types of hair follicle tumors.
research Familial Nonmembranous Aplasia Cutis of the Scalp
Some families have a genetic condition where they are born with irregular scalp defects.
research Induction of basal cell carcinomas and trichoepitheliomas in mice overexpressing GLI-1
Overexpressing GLI-1 in mice skin can cause tumors like human basal cell carcinomas.
research Coexistence of giant blue nevus of the scalp with hair loss and alopecia areata
A giant blue nevus on the scalp can cause hair loss and may damage underlying structures.
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.