Ultrastructural Characteristics of Trichilemmal Cysts: Report of Two Cases

June 2001 in “ Medical Electron Microscopy ”

Motokazu Nakamura, Masahiko Toyoda, Masayori Kagoura, Shuichi Higaki, Masaaki Morohashi

trichilemmal cysts keratinization outer root sheath hair follicles anagen hairs trichilemmal sacs follicular isthmus tonofibrils keratohyaline granules

Studysummary 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.

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