Pilomatrixoma is a rare benign skin tumor arising from hair follicle stem cells which is also known as calcifying epithelioma of Malharbe. It occurs with a rate of 0.1% among skin tumors. The definite diagnosis is made histopathologically. In treatment, it is recommended that the lesion be excised surgically. In this study, we wished to present two patients who presented with swelling and underwent excisional biopsy as a result of magnetic resonance imaging and whose pathological result was reported to be pilomatrixoma in accompaniment with the literature.
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http://dx.doi.org/10.5152/tpa.2014.298 | DOI Listing |
Arch Dermatol Res
January 2025
Premier Dermatology, Ashburn, VA, USA.
Pilomatrix carcinoma (PC) is a rare malignant adnexal tumor originating from follicular matrix cells primarily impacting Caucasian males. This review provides a comprehensive analysis of scientific literature on PC through an exploration of 206 cases reported between 1980 and 2024. We discuss the epidemiology, clinical presentation, histopathology, and diagnostic challenges of PC, and explore various treatment methods for this rare malignancy as well as their associated outcomes.
View Article and Find Full Text PDFSkinmed
January 2025
Dermatology Department, Miguel Servet Hospital, IIS Aragon, Zaragoza University, Zaragoza, Spain.
A 63-year-old man, with no past medical history, presented with an asymptomatic, progressively evolving polypoid lesion for 2 years in the left ciliary region. Physical examination revealed an exophytic tumor lesion of firm consistency and lobulated surface, with regular and well-defined borders. It measured 2 cm in diameter, and had a brownish-violet coloration with whitish areas (Figure 1).
View Article and Find Full Text PDFBMC Ophthalmol
November 2024
Department of Oculo-Facial Plastic and Reconstructive Surgery, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Background: Pilomatrixoma is an uncommon benign skin neoplasm originating from the hair follicle. Here, we report a rare case of giant and atypical proliferating pilomatrixoma affecting the eyelid.
Case Presentation: A 47-year-old male presented with a solitary, giant mass on his left upper eyelid, which had recently shown progressive enlargement.
Dermatol Online J
July 2024
Keck School of Medicine, University of Southern California, Los Angeles, California, USA.
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