GAMUT I-5
SPICULATED LESIONS OF THE BREAST (incl. Stellate Lesions)


COMMON
1. Carcinoma   (esp. scirrhous infiltrating ductal; also tubular, invasive lobular   , intraductal )
2. Fat necrosis (traumatic; postsurgical; postbiopsy scar; idiopathic)
*3. Radial scar   (sclerosing duct hyperplasia; complex sclerosing lesion; indurative mastopathy)
4. Scarring (posttraumatic; postoperative )
5. [Summation shadows]


UNCOMMON
1. Abscess (occasionally)
2. Fibroadenoma, hyalinized with fibrosis and myxoid degeneration
3. Fibrocystic change (esp. sclerosing adenosis)
4. Fibromatosis (extra-abdominal desmoid)
5. Granular cell myoblastoma


* Associated carcinoma of breast is present in about 25% of radial scars (20% in situ, 5% invasive carcinoma).

[    ] This condition does not actually cause the gamuted imaging finding, but can produce imaging changes that simulate it.




References