research SUBEPIDERMAL CALCIFIED NODULE OF THE EAR IN A CHILD WITH HAIR FOLLICLE NEVUS
A 9-year-old boy had a calcium deposit nodule on his earlobe.
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research Multifocal Malignant Proliferating Trichilemmal Tumour: A Diagnostic Imitator Beyond the Scalp
Recognizing specific markers is crucial for correctly diagnosing and treating rare multifocal MPTT in males.
research Porokeratotic adnexal ostial naevus: review on the entity and therapeutic approach
Laser treatments are the most effective for porokeratotic adnexal ostial nevus.
research MITF E318K naevus phenotype: the modifying role of MC1R Red Hair Variants
research Eruptive Vellus Hair Cysts: Report of a New Case with Immunohistochemical Study and Literature Review
Eruptive vellus hair cysts are rare, benign skin lesions that are hard to treat.
research Eyebrow Pilomatrixoma Presenting With Localized Alopecia and Skin Hypopigmentation
A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
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 Trichilemmoma.Features of keratin expression in CS-5 trichocyst system tumors.
Immunohistochemistry helps accurately identify and differentiate malignant trichilemmoma.
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.
research Expression of the hair stem cell-specific marker nestin in epidermal and follicular tumors.
Trichilemmoma, BCC, and SCC tumors have different stem cell marker expressions.
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 Near missed diagnosis of Merkel Cell Carcinoma in a young immunocompetent woman with a recurrent left-arm mass: A case report
A young woman with a rare skin cancer was diagnosed late because her symptoms were unusual for the disease.
research Dermal mucin in alopecia areata – tell tale sign or incidental finding?
Increased mucin in the skin might indicate lupus in patients with hair loss, but more research is needed.
research Eruptive Vellus Hair Cysts: Case Report and Review of the Literature
Eruptive vellus hair cysts are often underreported and need histologic confirmation for accurate diagnosis.
research A Rare Cutaneous Hamartomatous Adnexal Tumor: Trichofolliculoma
Recognizing trichofolliculomas is important to avoid unnecessary surgery.
research Congenital cutaneous lymphadenoma
An 8-year-old girl had a rare, benign skin tumor on her forehead.
research Trichofolliculoma on gluteal area: A unique case report
A rare benign skin nodule was found on the buttock, a unique location for this condition.
research Unusual Eyelid Dermal Keratinous Cysts of Pilosebaceous Origin
Two new types of eyelid cysts were identified, each with different treatment challenges.
research Epidermoid Cyst in the Bitch Mammary Gland
An epidermoid cyst in a dog's mammary gland is rare and benign.
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 Onychomatricoma in the Light of the Microanatomy of the Normal Nail Unit
Onychomatricoma is a unique nail tumor that mimics the entire nail unit and is not related to other hair-related tumors.
research 1421 Primary cutaneous diffuse large B-cell lymphoma–leg type masquerading as a mucocele
An elderly woman's upper lip lump, thought to be a mucocele, was actually a rare type of lymphoma usually found on legs, treated successfully with chemotherapy and radiation.
research Hair Follicle Miniaturization in a Woolly Hair Nevus
The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
research Identification of somatic and germline mosaicism for a keratin 5 mutation in epidermolysis bullosa simplex in a family of which the proband was previously regarded as a sporadic case
The keratin 5 mutation in a family with epidermolysis bullosa simplex was due to mosaicism, not a new mutation.
research Trichofolliculoma: a rare variant of hair follicle hamartoma
Trichofolliculoma is a rare skin bump on the face or scalp.
research Pilomatricoma in the infraorbital region
Pilomatricoma is a rare, benign skin tumor that requires surgical removal for best results.
research Congenital Combined Melanocytic Nevus of the Scalp With Associated Alopecia Areata
A man with a birthmark on his scalp developed hair loss that improved with treatment, but the link between the birthmark and hair loss was unclear.
research Desmoplastic tricholemmoma in a dog
A dog had a rare skin tumor called desmoplastic tricholemmoma.
research LATE-ONSET NEVUS COMEDONICUS IN AN ADULT PATIENT WITH DIABETES MELLITUS
Patients with nevus comedonicus suppurativa should be monitored for diabetes.