The researchers observed that in cases of alopecia areata with atypical features, histopathological confirmation may be necessary, as trichoscopic clues like loss of follicle ostia and vellus hairs were common, while typical features such as exclamation mark hairs were not always present.
25 citations
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March 2019 in “Dermatologic therapy” This study reviewed the current state of intralesional therapy for keratoacanthoma, finding that while methotrexate, 5-fluorouracil, and interferon alpha are common agents, guidelines are still needed, and histopathological confirmation is advised to prevent misdiagnosis with squamous cell carcinoma.
2 citations
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October 2023 in “The American journal of case reports” This report observed a case of pilomatrixoma appearing at the COVID-19 vaccination site of a 65-year-old man, aligning with previous findings that suggest a potential association between vaccination sites and this benign tumor.
December 2020 in “Our Dermatology Online” This study found that there was a significant discrepancy between histopathological examination and clinical diagnosis in alopecia cases, while vitamin D levels were not significantly associated with alopecia.
5 citations
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February 2015 in “Egyptian Journal of Ear Nose Throat and Allied Sciences” This case report describes an ossifying pilomatrixoma found in a 15-year-old girl, confirmed via histopathological examination after imaging indicated a subcutaneous mass on her cheek.