2 citations
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June 2001 in “Medical Electron Microscopy” This study observed that the keratinization pattern of trichilemmal cysts in two Japanese women may originate from the proliferation of the outer root sheath in the follicular isthmus of anagen hairs.
2 citations
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November 2020 in “The American journal of dermatopathology/American journal of dermatopathology” In this study, sweat duct differentiation was found to be a rare feature in trichilemmal cysts, occurring in only 0.97% of cases, and was likely under recognized.
This article reviews the characteristics and diagnostic criteria of tricholemmoma and tricholemmal carcinoma, detailing their clinical presentations and associations but reports no new clinical findings.
3 citations
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January 1989 in “The Nishinihon Journal of Dermatology” This case report describes a proliferating trichilemmal cyst that underwent malignant transformation, with specific keratins identified in the tumor but no epidermal keratin detected.
1 citations
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January 1995 in “Skin Cancer” This study suggests that immunohistochemistry of keratin and involucrin expression can aid in distinguishing malignant trichilemmoma from other tumors previously diagnosed as such.