Match each clinical presentation of a breast disorder with its most likely corresponding histopathologic finding on biopsy.
- A 24-year-old woman with a 2-cm mobile, firm, well-circumscribed breast mass; ultrasound demonstrates a homogeneous, solid, hypoechoic oval lesion.Proliferation of intralobular stroma compressing and distorting glandular epithelium into slit-like spaces
- A 48-year-old woman with bilateral, diffuse, tender breast nodularity that fluctuates in severity with her menstrual cycle.Cystic dilation of terminal ducts, varying degrees of stromal fibrosis, and prominent apocrine metaplasia
- A 36-year-old woman with a firm, localized breast mass and mild skin retraction, developing three months after a motor vehicle collision.Anucleated adipocytes accompanied by lipid-laden macrophages, foreign body giant cells, and fibrosis
- A 31-year-old woman presenting with spontaneous, unilateral bloody nipple discharge without any palpable breast mass or skin changes.Arborizing fibrovascular cores lined by inner myoepithelial and outer luminal epithelial cells projecting into a dilated duct
Answer
The young woman with a mobile mass matches with stromal proliferation (fibroadenoma); the woman with cyclic nodularity matches with cysts and apocrine metaplasia (fibrocystic changes); the trauma patient matches with anucleated adipocytes and macrophages (fat necrosis); and the patient with bloody discharge matches with fibrovascular cores (intraductal papilloma).
Each clinical scenario correlates precisely with a distinct benign breast pathology's characteristic histopathological appearance. Fibroadenomas feature slit-like spaces; fibrocystic changes feature apocrine metaplasia; fat necrosis features lipid-laden macrophages; and intraductal papillomas feature arborizing fibrovascular cores.
Step-by-Step Solution
Key Concept
Clinicopathologic correlation of common benign breast disorders