page_title: Endometrial biopsy
hierarchical_section_title: Endometrial biopsy
caption_attribution_description: English: Intermediate magnification micrograph of simple endometrial hyperplasia without nuclear atypia. H&amp;E stain. Endometrial biopsy. Histomorphologic features: Normal gland-to-stroma ratio (~1:3). Proliferating pseudostratified glandular epithelium. Irregular endometrial glands: Dilated glands or gland with variable size. Non-ovoid/non-circular glands. Related images Low mag. Intermed. mag. High mag.
context_page_description: The endometrial biopsy is a medical procedure that involves taking a tissue sample of the lining of the uterus. The tissue subsequently undergoes a histologic evaluation which aids the physician in forming a diagnosis.
context_section_description: The endometrial biopsy is a medical procedure that involves taking a tissue sample of the lining of the uterus. The tissue subsequently undergoes a histologic evaluation which aids the physician in forming a diagnosis.
caption: Micrograph showing an  endometrial biopsy with simple endometrial hyperplasia, where the gland-to-stroma ratio is preserved but the glands have an irregular shape and/or are dilated. H&E stain.
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