SEIN Flashcards
Kyste Huileux diffus bilatéraux ?
Stéatocytome Multiplex
Facteurs qui augmente la densité mammaire
- Hormone replacement therapy : the effect is greater with combination hormone therapy than with estrogen therapy alone
- Pregnancy
- Lactation
- Weight loss (from a reduction of breast fat)
- Breast cancer : especially inflammatory breast cancer
- Inflammation : mastitis
Facteurs qui diminue la densité mammaire
- Age
- Postmenopausal state
- Medications, e.g. danazol
- Vitamin D and calcium intake in pre-menopausal women
- Increasing age
- Weight gain
- Acromegaly
Differential Diagnosis of Spiculated Breast
Lesions
Summation shadows
Benign
- Sclerosing adenosis
- Postsurgical scar
- Benign sclerosing ductal lesion (radial scar)
- Tuberculosis
- Posttraumatic oil cyst
Malignant
- Infiltrating ductal carcinoma
- Ductal carcinoma in situ (rare)
- Infiltrating lobular carcinoma
- Tubular carcinoma
Most frequent presentation of inflammatory breast cancer on MRI ?
Common findings of IBC on contrast-enhanced MR images are : extensive or segmental nonmasslike enhancement and diffuse skin thickening
MR imaging findings of IBC differ from those of locally advanced breast cancer (LABC) as follows:
- Nonmasslike enhancement (73% for IBC versus 40% for LABC),
- Skin thickening (53% versus 27%)
- Skin edema (87% versus 27%)
- Skin enhancement (33% versus 7%)
Lesion benigne la plus fréquemment détecté durant la grossesse ou l’allaitement ?
The most common benign tumor detected during pregnancy and lactation is a fibroadenoma
