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Intratarsal Keratinous Cyst Clinically Misdiagnosed as a Chalazion. | LitMetric

AI Article Synopsis

  • - The intratarsal keratinous cyst (IKC) is a new type of eyelid cyst that can often be confused with a chalazion, leading to misdiagnosis.
  • - A 61-year-old male had a firm nodule on his upper eyelid, initially thought to be a chalazion; an excisional biopsy revealed it was actually an IKC.
  • - Accurate diagnosis is crucial, as IKCs need complete surgical removal to prevent multiple recurrences, unlike chalazions which may resolve on their own.

Article Abstract

The intratarsal keratinous cyst (IKC) is a recently described entity, often clinically misdiagnosed as a chalazion. We report a case of a 61-year-old male patient with a chief complaint of a small lesion on the upper eyelid that evolved over six months. On physical examination, an asymptomatic, firm nodule was identified on the left upper eyelid. The patient reported no history of trauma. A provisional diagnosis of chalazion was established, and an excisional biopsy was performed. Histopathologically, the lesion was lined with a stratified squamous epithelium, with a corrugated epithelial surface showing abrupt keratinization without keratohyalin granules, and compact keratinous-appearing material in the cystic lumen. The diagnosis was IKC. No signs of recurrence were observed after one year of follow-up. It is essential to accurately diagnose IKC and distinguish it from chalazion and epidermal inclusion cysts, because IKC requires complete surgical excision and can exhibit multiple recurrences if not properly removed.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11036242PMC
http://dx.doi.org/10.3390/dermatopathology11020014DOI Listing

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