May 2025 in “Oral Sciences Reports” This case study reports that a 45-year-old woman developed a painless nodule in the lower lip four weeks after receiving hyaluronic acid filler, which required surgical removal, highlighting the potential for delayed complications from lip augmentation procedures.
November 2023 in “International surgery journal” In this case study, a 69-year-old male with a neck swelling was diagnosed with a trichilemmal cyst, highlighting the importance of complete surgical excision for lesions with proliferative or malignant potential.
January 2009 in “Repositório Científico do Instituto Politécnico de Viseu (Instituto Politécnico de Viseu)” This case study found that a skin lesion in a Samoyed dog did not match any single known follicular cyst or neoplasm type described in the literature.
January 2026 in “Indian Journal of Ophthalmology - Case Reports” In this study, a rare case of a trichilemmal cyst in a 6-year-old's upper eyelid was observed; it was identified through histopathological examination after excision, highlighting the importance of considering trichilemmal cysts in atypical pediatric eyelid swellings.
January 2021 in “Indian Journal of Paediatric Dermatology” Topical tretinoin 0.025% cream is an effective treatment for Eruptive Vellus Hair Cysts in children.