research Solitary pedunculated multicystic viral plaque associated with canine papillomavirus 18 in a British Bulldog
A British Bulldog had a unique viral plaque caused by Canine papillomavirus 18, different from typical tumors.
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60-90 / 1000+ resultsresearch Multiple, hereditary dome-shaped papules and acrochordons. Birt-Hogg-Dube syndrome
The boy likely has a fungal infection causing hair loss.
research Putative paraneoplastic alopecia in a cat with apocrine adenocarcinoma
The cat's hair loss was linked to a type of cancer.
research Hairy nodule: A rare case report
A woman had a rare, non-cancerous skin growth on her face, which was removed and did not come back after a year.
research Eruptive vellus hair cyst: An uncommon and underdiagnosed entity
Eruptive vellus hair cysts are rare and often misdiagnosed, requiring biopsy for accurate diagnosis.
research The Common Ultrasonographic Features of Pilomatricoma
Ultrasonography improves pilomatricoma diagnosis accuracy.
research Hand Pilomatrixoma: A Rare Localization
A rare hair follicle tumor in the hand was successfully removed with no return after four years.
research Two cases of aplasia cutis congenita with hair collar signs and macrophage hyperplasia
Two cases showed skin abnormalities without bone or neural defects.
research Superficial angiomyxoma with trichofolliculoma
A rare benign tumor with hair follicle features was found on a man's trunk.
research Polyomavirus‐induced pilomatricomas in mice: from viral inoculation to tumour development
Polyomavirus A2 infection in newborn mice caused hair follicle tumors.
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 A Case of Proliferating Trichilemmal Cyst with Trichoepitheliomatous Change
A young woman had a rare scalp tumor usually found in older women.
research Nonscarring Alopecias
research Epidermal Choristoma of the Oral Cavity: Report of 2 Cases of an Extremely Rare Entity
research Rippled‐pattern trichomatricoma
A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
research Eccrine Duct Dilation as a Marker of Cicatricial Alopecia
Enlarged sweat gland ducts may indicate scarring hair loss.
research Acquired smooth muscle hamartoma with sebaceous component
The patient has a rare skin condition that shows features of two known disorders.
research Pilomatricoma arising at a BCG vaccination site
A benign tumor developed at a girl's BCG vaccination site, not previously linked to the vaccine.
research Eruptive vellus hair cyst syndrome or exuberant atypical keratosis pilaris?
research Cutaneous toxicities of new treatments for melanoma
New melanoma treatments can cause skin side effects, including skin cancer and rashes, but combining treatments may reduce these risks.
research Steatocystoma
research Warty Dyskeratoma Involving Two Adjoining Follicles
A rare scalp tumor involving two hair follicles was successfully removed with surgery, with no recurrence after 7 months.
research Dermoscopic features of infundibular keratinising acanthomas and follicular cysts: Description, assessment and histopathological correlation
Dermoscopy is useful for identifying skin lesions in dogs, with specific features distinguishing infundibular keratinising acanthomas from follicular cysts.
research IMMUNOHISTOCHEMICAL EXPRESSION OF KERATIN PROTEINS IN KERATOACANTHOMAS OF THE SKIN
Keratoacanthomas and squamous cell carcinomas have similar keratin patterns, making them hard to tell apart.
research Histogenesis of keratoacanthoma: histochemical and immunohistochemical study
Keratoacanthoma comes from hair follicle cells.
research Widespread porokeratotic adnexal ostial nevus: Clinical features and proposal of a new name unifying porokeratotic eccrine ostial and dermal duct nevus and porokeratotic eccrine and hair follicle nevus
The term "porokeratotic adnexal ostial nevus" is proposed to unify overlapping skin conditions involving eccrine and hair follicles.
research Atrichia with papular lesions in a Taiwanese patient without hairless (HR) gene mutation
A Taiwanese patient had hair loss and skin bumps without the usual gene mutation, suggesting other genetic factors might be involved.
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 Beyond the Matrix: A Rare Case of Pilomatrix Carcinoma with Histologic Insights
Accurate diagnosis of rare pilomatrix carcinoma is crucial for effective treatment.
research Congenital atrichia associated with nevus flammeus: A rare association
A person was born with both a rare hairless condition and a type of birthmark, which is an uncommon combination.