15-25 years age group. Typical features:
- Well-circumscribed, smooth, firm, freely mobile mass.
- May be multiple or bilateral.
- Some may increase in size. > 5cm- giant fibroadenoma.
- 1/3rd may regress spontaneously.
- U/S- smooth outline mass.
- Management: Diagnose by core biopsy.
- <4cm- Reassurance and follow up.
- >4cm- excision.
| Feature | Hard Peri-canalicular Firoadenoma | Soft Intra-Canalicular Fibroadenoma |
|---|---|---|
| Incidence | MORE COMMEN | LESS COMMEN |
| Age | 15-30 | 30-50 |
| Pathology | Small mass surrounded by 2 capsules: - True & false capsules | Soft large lobulated mass & may reach a large size. Capsule not well formed |
| Malignant Change | NEVER CHANGE | MAY SHOW SARCOMATOUS |
| Clinical Pictures | - Mass(2.5cm, oval, smooth, may be lobulated, attached to surrounded structure, well-defined edges, freely mobile, grows slowly, single, bilateral). - No palpable L.N | - Soft with area of cystic formation, grows rapidly, huge size, (giant fibroadenoma) May occupy whole breast, mobile, not attached to surrounding structure. No axillary L.N |
| Treatment | Enucleated | Small …excision Large…simple mastectomy |
| Cutting | By knife feel easy | -There is resistance -Gritty sensation |
| Color | Pinkish | Grayish-white |
| Cut surface | Bulges during cutting bec. It was imprisoned by capsule | Retract during cutting due to fibrosis |
| Capsular | Well encapsulated | Infiltrate the tissue around- No capsule |
Giant fibroadenoma is an uncommon benign tumor in adolescent girls
