Asymmetry in breast size
Asymmetry in breast size can arise from a number of factors.
Pathology
Breasts are rarely absolutely the same size or volume. Normal variation is common. Most females have slight discrepancies in breast size. Asymmetric progressive breast enlargement is unusual but known. The role of the breast imaging is to exclude an underlying pathology.
Physiological changes occur at puberty in both genders. Asymmetry in males is usually as a result of gynecomastia.
Aetiology
- developing occult malignancy
- normal variant
- post radiation hypoplasia of the breast 2
- post surgical breast: lumpectomy on the smaller side
- previous chest wall trauma
- congenital
- Poland syndrome
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Breast imaging and pathology
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mammography
- breast imaging and the technologist
- forbidden (check) areas in mammography
-
mammography views
- craniocaudal view
- mediolateral oblique view
- additional (supplementary) views
- true lateral view
- lateromedial oblique view
- late mediolateral view
- step oblique views
- spot view
- double spot compression view
- magnification view
- exaggerated craniocaudal (axillary) view
- cleavage view
- tangential views
- caudocranial view
- bullseye CC view
- rolled CC view
- elevated craniocaudal projection
- caudal cranial projection
- 20° oblique projection
- inferomedial superolateral oblique projection
- Eklund technique
- normal breast imaging examples
- digital breast tomosynthesis
- breast ultrasound
- breast ductography
- breast MRI
- breast morphology
- breast pathology
- malignant lesions
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breast cancer
- breast adenocacrinoma
- ductal breast carcinoma
- ductal carcinoma in situ (DCIS)
- invasive ductal carcinoma
- lobular breast carcinoma
- ductal breast carcinoma
- adenoid cystic carcinoma of the breast
- apocrine carcinoma of the breast
- breast cancer metastases
- breast lymphoma
- breast sarcoma
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- intracystic breast cancer
- male breast cancer
- malignant phyllodes tumour
- metastases to the breast
- metaplastic carcinoma the breast
- gamuts
- breast adenocacrinoma
-
breast cancer
- borderline breast disease / high risk breast lesion
- benign lesions
- adenosis of the breast
- benign papillary lesions of the breast
- breast cyst
- breast haematoma
- breast hamartoma
- breast lipoma
- ductal adenoma of the breast
- epidermal inclusion cysts of the breast
- fat necrosis of the breast
- fibroadenoma
- granular cell tumour of the breast
- gynaecomastia
- lymphocytic mastitis
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- oil cyst
- phyllodes tumour
- post surgical breast scar
- post traumatic fibrosis
- pseudoangiomatous stromal hyperplasia (PASH)
- pseudogynaecomastia
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breast calcifications (approach)
- morphology
- distribution
- location
- lobular calcification within breast tissue
- intraductal calcification within breast tissue
- milk of calcium within a breast cyst
- vascular calcification in breast tissue
- skin (dermal) calcification in / around breast tissue
- suture calcification within breast tissue
- stromal calcification within breast tissue
- artifactual calcification from outside the breast
- suspicious breast calcifications
- infection/inflammation
- vascular lesions
- systemic disease
- gamuts
- classification systems
- malignant lesions
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