MedComic

Fibrocystic Changes vs. Fibroadenoma

Jorge Muniz ·
Educational medical illustration comparing fibrocystic changes (benign breast condition with fibrous and cystic changes, common in women 30-50) and fibroadenoma (most common benign breast tumor in women under 30, presenting as a painless mobile mass), including fine-needle aspiration and diagnostic workup
Illustrated guide comparing fibrocystic changes and fibroadenoma — two common benign breast conditions — including typical age of presentation, clinical features, and diagnostic approach. Proprietary medical illustration by Jorge Muniz, PA-C.

Fibrocystic Changes

Fibrocystic changes (previously known as fibrocystic disease) is a benign breast condition consisting of fibrous (rubbery) and cystic changes in the breast. It's a catchall term that refers to wide variety of benign histologic changes in the breast epithelium. The condition is common in women 30-50 years of age and may cause breast pain that varies with the menstrual cycle. Typically, ultrasonography is done to differentiate solid from cystic masses. Fine-needle aspiration (FNA) usually demonstrates straw-colored or green fluid.

Fibroadenoma

A fibroadenoma is the most common breast tumor in women younger than 30 years of age. It is a benign neoplasm consisting of glandular and fibrous tissue. It is typically a painless, well-circumscribed, round, mobile mass. No treatment is usually necessary if the diagnosis can be made by core biopsy or cytologic examination. The tumor can be followed clinically or excised if the diagnosis is uncertain.

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