WebDoctor Encyclopedia

Oncology

Breast

Encyclopedia entries in Breast.

All in this section Carcinoma in situ 2 Invasive carcinoma 4 Special types 3

  1. Carcinoma in situ

    DCIS

    Ductal carcinoma in situ (DCIS) is a non-invasive breast lesion confined to the ducts. This entry covers screening, grading, surgery, and radiation.

    2,882 words

  2. Invasive carcinoma

    HER2-positive breast cancer

    HER2-positive breast cancer overexpresses the HER2 receptor. This entry covers testing, anti-HER2 drugs, and how treatment has changed outcomes.

    3,717 words

  3. Special types

    Inflammatory breast cancer

    Inflammatory breast cancer (IBC) is a rare, aggressive presentation with skin oedema and erythema. This entry covers diagnosis, staging, and multimodal treatment.

    3,331 words

  4. Invasive carcinoma

    Invasive carcinoma NST

    Invasive carcinoma of no special type (NST), also called invasive ductal carcinoma, is the most common form of breast cancer. This entry covers diagnosis, receptors, and treatment.

    3,837 words

  5. Invasive carcinoma

    Invasive lobular carcinoma

    Invasive lobular carcinoma (ILC) is the second most common invasive breast cancer. It often grows in a single-file pattern and can be harder to see on imaging.

    2,888 words

  6. Carcinoma in situ

    LCIS

    Lobular carcinoma in situ (LCIS) is a risk marker rather than a true cancer. This entry covers classic versus pleomorphic LCIS and risk-reducing options.

    2,581 words

  7. Special types

    Paget disease of the breast

    Paget disease of the breast is an uncommon condition in which cancer cells involve the nipple–areola skin. This entry covers signs, diagnosis, and surgery.

    2,414 words

  8. Special types

    Phyllodes tumour

    Phyllodes tumours are rare fibroepithelial breast tumours that range from benign to malignant. This entry covers grading, surgery, and recurrence risk.

    2,479 words

  9. Invasive carcinoma

    Triple-negative breast cancer

    Triple-negative breast cancer (TNBC) lacks oestrogen, progesterone, and HER2 receptors. This entry covers biology, BRCA, chemotherapy, and immunotherapy.

    3,402 words