Granular Parakeratosis of the Eccrine Ostium: A Case Report
July 2023
in “
Clinical Cosmetic and Investigational Dermatology
”
Studysummary In this case report, a 64-year-old Thai woman with a history of misdiagnosed eczema or folliculitis was ultimately found to have granular parakeratosis of the eccrine ostium, leading to significant symptom improvement once accurately diagnosed and advised to avoid excessive heat and moisture.
Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
This case report highlights a rare dermatological condition, granular parakeratosis (GP) of the eccrine ostium, in a 64-year-old Thai woman who was misdiagnosed for nearly 40 years. GP presents as brownish to erythematous papules, often mistaken for eczema or folliculitis due to its benign nature. The patient's condition improved with advice to avoid excessive heat and keep affected areas dry. Accurate diagnosis through histopathological examination is essential to prevent prolonged mismanagement of GP.