Digital Atlas of Gynecologic Pathology by Meenakshi Singh, MD © - Department of Pathology, Stony Brook University Medical Center

Squamous Metaplasia.
The glandular cells have undergone metaplastic change to squamous cells with moderate eosinophilic cytoplasm and distinct cell membranes. Squamous metaplasia is typically associated with an underlying endometrial hyperplasia. High power.