pilomatrixoma
Sign in to savePilomatricoma is a benign skin tumor derived from the hair matrix. These neoplasms are relatively uncommon and typically occur on the scalp, face, and upper extremities. Clinically, pilomatricomas present as a subcutaneous nodule or cyst with unremarkable overlying epidermis that can range in size from 0.5 to 3.0 cm, but the largest reported case was 24 cm.
Key facts
- Medical condition (new).name
- Pilomatricoma
- Medical condition (new).synonyms
- Calcifying epithelioma of Malherbe, Malherbe calcifying epithelioma, and Pilomatrixoma
- Medical condition (new).image
- Histopathology of pilomatricoma, high magnification, annotated.jpg
- Medical condition (new).caption
- Histopathology of pilomatricoma, high magnification, H&E stain, showing the characteristic components of basaloid cells and ghost cells.
via Wikipedia infobox
Research
1,165 papers- Pilomatrixoma: A Comprehensive Review of the Literature.The American Journal of dermatopathology · 2018
- Pilomatrixoma and its Imitators.Ear, nose, & throat journal · 2024
- Colossal pilomatrixoma.Annals of the Royal College of Surgeons of England · 2018
- Giant pilomatrixoma: a distinctive clinical variant: a new case and review of the literature.Dermatology online journal · 2020
- Pilomatrixoma misdiagnosed as dermatofibrosarcoma protuberans.Chinese medical journal · 2021
via PubMed
Article
7 sectionsContents
- Presentation
- Associations
- Histologic features
- Pathogenesis
- See also
- References
- External links
Pilomatricoma is a benign skin tumor derived from the hair matrix. These neoplasms are relatively uncommon and typically occur on the scalp, face, and upper extremities. Clinically, pilomatricomas present as a subcutaneous nodule or cyst with unremarkable overlying epidermis that can range in size from 0.5 to 3.0 cm, but the largest reported case was 24 cm.
==Presentation== ===Associations=== Pilomatricomas have been observed in a variety of genetic disorders including Turner syndrome, myotonic dystrophy, Rubinstein–Taybi syndrome, trisomy 9, and Gardner syndrome. It has been reported that the prevalence of pilomatricomas in Turner syndrome is 2.6%.