research Development of Pilomatrixoma at the Vaccination Site: A Rare Complication of COVID-19 Vaccination – A Case Report
A man developed a benign tumor at his COVID-19 vaccination site, which was successfully removed with surgery.
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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 The Common Ultrasonographic Features of Pilomatricoma
Ultrasonography improves pilomatricoma diagnosis accuracy.
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 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 Pilar Cyst From a Maxillofacial Surgeon’s Perspective: A Case Report and Review of Literature
A man had a benign pilar cyst on his face, which is rare and was successfully removed by surgery.
research Hair Matrix Cyst
Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
research Rare Diagnosis of a Proliferating Pilar Tumor in a Facial Hairline Cryst
The lump on a woman's scalp was a rare, potentially cancerous tumor from the hair follicle, not a common cyst.
research In brief
Pilomatricomas don't follow the usual hair follicle cell differentiation process.
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 Activation of the OVOL1-OVOL2 axis in the hair bulb and in pilomatricoma and pilomatrix carcinoma
The OVOL1-OVOL2 axis is important for hair follicle differentiation and can help diagnose certain hair-related tumors.
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 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 Rippled‐pattern trichomatricoma
A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
research A 43-Year-Old Woman with a Solitary, Asymptomatic Nodule on the Scalp
A woman's scalp nodule was a common, harmless pilar cyst, treated by surgical removal.
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 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 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 A Case of Proliferating Trichilemmal Cyst with Trichoepitheliomatous Change
A young woman had a rare scalp tumor usually found in older women.
research Activation of the OVOL1-OVOL2 Axis in the Hair Bulb and in Pilomatricoma
The genes OVOL1 and OVOL2 are important for hair growth and may be involved in a type of skin tumor.
research Hirsutism as the initial presentation of malignant ovarian Leydig cell tumor: A case report
A woman's male-pattern facial hair growth was caused by a rare malignant ovarian tumor that was difficult to diagnose and treat.
research Teacher CPD: towards a broader perspective
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
research Fibrothecoma of Ovary with Virilizing Features
A rare ovarian tumor can cause unusual male-like symptoms, but surgery usually leads to a good outcome.
research Polyomavirus‐induced pilomatricomas in mice: from viral inoculation to tumour development
Polyomavirus A2 infection in newborn mice caused hair follicle tumors.
research Folliculosebaceous Cystic Hamartoma with Spindle Cell Lipomatous and Neural Components
A woman had a unique skin growth with hair follicle, oil glands, fat cells, spindle cells, and nerve fibers.
research Acquired Localized Longitudinal Pachyonychia and Onychomatrical Tumors: A Comparative Study to Onychomatricomas (5 Cases) and Onychocytic Matricomas (4 Cases)
Larger nail cavity sizes suggest benign tumors, while smaller ones may need further biopsy to rule out cancer.
research Multiple desmoplastic trichoepitheliomas with ossification and cholesterol deposition
A man had rare skin tumors with bone formation and cholesterol deposits.
research Cystic panfolliculoma of the conchal bowl
Cystic panfolliculoma is a rare, harmless tumor that can be confused with other skin tumors.
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 Spatial transcriptomics of a giant pilomatricoma
The analysis of a large pilomatricoma revealed five distinct areas with different gene activity related to hair growth and tumor development.