| Case number: | 157 |
| Age: | 62 |
| Clinical presentation: | Postmenopausal woman with average risk of developing breast cancer presented with a hard palpable lump in the inner quadrant of the left breast. |
| Breast composition: | ACR category a (the breasts are almost entirely fatty) | Mammography features: |
| ‣ Location of the lesion: | Left breast, lower inner quadrant at 8 o’clock, anterior and middle thirds |
| ‣ Mass: | |
| • Number: | 1 |
| • Size: | 1.6 cm in greatest dimension |
| • Shape: | None |
| • Margins: | None |
| • Density: | None |
| ‣ Calcifications: | |
| • Typically benign: | Popcorn-like |
| • Suspicious: | None |
| • Distribution: | Within mass |
| ‣ Architectural distortion: | None |
| ‣ Asymmetry: | None |
| ‣ Intramammary node: | None |
| ‣ Skin lesion: | None |
| ‣ Solitary dilated duct: | None |
| ‣ Associated features: | Calcifications |
| Breast composition: | ACR category a (the breasts are almost entirely fatty) | Mammography features: |
| ‣ Location of the lesion: | Left breast, inner quadrants at 9 o’clock, middle third |
| ‣ Mass: | |
| • Number: | 1 |
| • Size: | 0.9 cm in greatest dimension |
| • Shape: | Oval |
| • Margins: | Circumscribed |
| • Density: | Equal |
| ‣ Calcifications: | |
| • Typically benign: | Macrocalcifications |
| • Suspicious: | None |
| • Distribution: | Within mass |
| ‣ Architectural distortion: | None |
| ‣ Asymmetry: | None |
| ‣ Intramammary node: | None |
| ‣ Skin lesion: | None |
| ‣ Solitary dilated duct: | None |
| ‣ Associated features: | Calcifications |
| Breast composition: | ACR category a (the breasts are almost entirely fatty) | Mammography features: |
| ‣ Location of the lesion: | Right breast, lower inner quadrant at 5 o’clock, posterior third |
| ‣ Mass: | |
| • Number: | 1 |
| • Size: | 0.6 cm in greatest dimension |
| • Shape: | Oval |
| • Margins: | Circumscribed |
| • Density: | Equal |
| ‣ Calcifications: | |
| • Typically benign: | Coarse |
| • Suspicious: | None |
| • Distribution: | None |
| ‣ Architectural distortion: | None |
| ‣ Asymmetry: | None |
| ‣ Intramammary node: | None |
| ‣ Skin lesion: | None |
| ‣ Solitary dilated duct: | None |
| ‣ Associated features: | Calcifications |
| Ultrasound features: Left breast, lower inner quadrant at 9 o'clock | |
| ‣ Mass | |
| • Location: | Left breast, lower inner quadrant at 9 o'clock |
| • Number: | 1 |
| • Size: | 1.6 cm in greatest dimension |
| • Shape: | Oval |
| • Orientation: | Parallel |
| • Margins: | Circumscribed |
| • Echo pattern: | Hypoechoic |
| • Posterior features: | Strong posterior shadowing |
| ‣ Calcifications: | Present |
| ‣ Associated features: | None |
| ‣ Special cases: | None |
| Ultrasound features: Left breast, inner quadrants at 8 o'clock | |
| ‣ Mass | |
| • Location: | Left breast, inner quadrants at 8 o'clock |
| • Number: | 1 |
| • Size: | 0.9 cm in greatest dimension |
| • Shape: | Oval |
| • Orientation: | Parallel |
| • Margins: | Circumscribed |
| • Echo pattern: | Hypoechoic |
| • Posterior features: | Posterior shadowing |
| ‣ Calcifications: | Present in mass |
| ‣ Associated features: | None |
| ‣ Special cases: | None |
| Postmenopausal woman presented with a hard lump in the left breast. Diagnosed as involuting (partially calcified) fibroadenomas, BI-RADS 2 on imaging. |
|