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.
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research Poster presentationsDP11 Bright, eosinophilic intracytoplasmic inclusion bodies: a rare presentation of acquired epidermodysplasia verruciformis with widespread human papillomavirus infection in a transplant recipient
A rare case of a transplant patient developing a skin condition linked to HPV-49.
research Optical coherence tomography-assisted diagnosis of follicular keratosis of the chin
OCT can non-invasively diagnose follicular keratosis and other hair follicle disorders.
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 A Solitary Firm Nodule Over Cheek
A benign tumor on the cheek, called trichoadenoma, should be surgically removed for cosmetic reasons.
research Trichofolliculoma of the Scalp: A Rare Case Report
Trichofolliculoma is a rare, benign scalp tumor that can be cured by surgical removal.
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 Multiple Pilomatrixoma in Turner Syndrome
Multiple pilomatrixoma may indicate Turner syndrome.
research Porokeratotic eccrine ostial and dermal duct nevus: A noteworthy presentation
PEODDN is a rare skin disorder with limited treatment options, best treated with laser therapy.
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 Tricholemmoma and tricholemmal carcinoma and Cowden syndrome
Tricholemmoma is linked to Cowden syndrome and can be benign or malignant.
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 Trichofolliculoma With Mucinosis
A rare hair follicle tumor showed unusual high levels of mucin.
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.
research Trichofolliculoma in Paediatric Age Group Boy: A Rare Case Report Highlighting Dermoscopic and Histopathological Findings
Trichofolliculoma should be considered in children with scalp nodules for accurate diagnosis and treatment.
research TRACHYONYCHIA ASSOCIATED WITH ALOPECIA AREATA AND SECONDARY ONYCHOMYCOSIS
An 8-year-old girl had nail and hair issues that improved without specific treatment, but fungal nail infection was hard to cure.
research Folliculosebaceous cystic hamartoma with hair shaft fragments.
A rare ear cyst contained hair fragments.
research A unique presentation of trichofolliculoma in amniotic band syndrome
Trichofolliculoma was found in a person with amniotic band syndrome for the first time.
research Trichofolliculoma Showing Perineural Invasion
Trichofolliculomas can sometimes be more aggressive than thought.
research Imaging sonographic findings of in a case of proliferating trichilemmal tumor of a finger: A case report
A rare finger tumor was imaged, showing a unique pattern not seen before.
research Atrichia and Papular Lesions: Report of a Case
A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
research 5a Trichoepithelioma
Trichoepithelioma and desmoplastic trichoepithelioma have distinct features that can be identified using reflectance confocal microscopy.
research A rare case of coinfection with white piedra and pediculosis capitis
A woman had a rare infection of both white piedra and head lice, which improved after 10 weeks of antifungal treatment.
research Pilomatrixoma of the Forearm in an Elderly Male
Pilomatrixoma should be considered for nodular lesions in adults.
research Pathologic Quiz Case: A Nodule on the Back
The nodule on the woman's back was a benign hair follicle tumor, not cancer, but needed removal.
research Bullous pilomatrixoma: Without a “Shadow” of doubt – Role of ROSE and cytology
Fine needle aspiration with rapid on-site evaluation is useful for diagnosing pilomatrixoma.
research Trichosporon inkin and Trichosporon mucoides as unusual causes of white piedra of scalp hair
Trichosporon inkin and Trichosporon mucoides can cause white piedra on scalp hair.
research Dermoscopy of pilomatricoma: A case report with a review of the literature
Dermoscopy helps doctors recognize a type of benign skin tumor called pilomatricoma.
research Panfolliculoma: Report of the Youngest Case and Literature Review of Its Histopathologic Variants
A 14-year-old boy is the youngest person reported with a rare, benign tumor related to hair follicles, usually found in older people.
research A Rare Cutaneous Hamartomatous Adnexal Tumor: Trichofolliculoma
Recognizing trichofolliculomas is important to avoid unnecessary surgery.