breast lesions Flashcards
types of cysts
- simple
- complex
- duct ectasia (enlarged)
- abscess
- solid benign lesion
most common solid benign lesion
fibroadenoma
usually in premenopausal state due to estrogen level fluctuation
simple cyst
• Smooth walls
• Anechoic
• Posterior enhancement
- often compressible
simple cyst
- Wall thickening or irregularities
- Septations
- Internal echoes
complicated cyst
characteristics of benign solid lesions of breast
- smooth margin
- round or oval
- wider than tall**
- mobile
- compressible
- avascular
- less than 3 gentle lobulations
age for peak incidence of Fibroadenoma
25-40 yes
cause of fibroademona
increased estrogen
common location of fibroadenoma
UOQ
round/ oval, thin echogenic capsule
characteristics of fibroademona
age for peak incidence of hamartoma
> 35
cause of hamartoma
proliferation of fibrous, glandular and fatty tissue
treatment of fibroademona
minimal / no malignancy potential
-biopsy
soft and compressible, hyper or hypoechoic
characteristic of hamartoma
age for peak incidence of fat necrosis
older women bc fat replaces gladular tissue with age
cause of fat necrosis
trauma, surgery, radiation or cancer of breast
irregular complex mass with low echos (oil cyst)
characteristic of fat necrosis
age for peak incidence of cytosarcoma phyllodes
> 45 before menopause
cause of cystosarcoma phyllodes
fibroadenoma but fast growing (change in estrogen levels)
solid with multiple cystic spaces and heterogeneous texture
characteristic of cytosarcoma phyllodes
T/F: phyllodes tumor may undergo malignant transformation
TRUE
age for peak incidence of mastitis
lactating women
cause of mastitis
trauma, obstructed ducts, infection