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A lumpectomy is a surgery to remove a breast tumor along with a resection margin of normal breast tissue. The margin is the healthy, noncancerous tissue that is next to the tumor. A pathologist analyzes the margin excised by the lumpectomy to detect any possible cancer cells. A cancerous margin is "positive", while a healthy margin is "clean ...
Breast-conserving surgery refers to an operation that aims to remove breast cancer while avoiding a mastectomy. [1] Different forms of this operation include: lumpectomy (tylectomy), wide local excision, segmental resection, and quadrantectomy. Breast-conserving surgery has been increasingly accepted as an alternative to mastectomy in specific ...
Radical mastectomy. Radical mastectomy is a surgical procedure that treats breast cancer by removing the breast and its underlying chest muscle (including pectoralis major and pectoralis minor ), and lymph nodes of the axilla (armpit). Breast cancer is the most common cancer among women. During the early twentieth century it was primarily ...
The ICD-10 Procedure Coding System (ICD-10-PCS) is a US system of medical classification used for procedural coding.The Centers for Medicare and Medicaid Services, the agency responsible for maintaining the inpatient procedure code set in the U.S., contracted with 3M Health Information Systems in 1995 to design and then develop a procedure classification system to replace Volume 3 of ICD-9-CM.
Terminology. Invasive carcinoma NST is a type of breast cancer. It is one of the invasive breast cancers that originates from the breast ductal system, so that it is a type of ductal carcinoma. A defining feature of this ductal carcinoma is that it lacks the "specific differentiating features" of other types of ductal carcinomas.
Breast cancer classification divides breast cancer into categories according to different schemes criteria and serving a different purpose. The major categories are the histopathological type, the grade of the tumor, the stage of the tumor, and the expression of proteins and genes. As knowledge of cancer cell biology develops these ...
Staging breast cancer is the initial step to help physicians determine the most appropriate course of treatment. As of 2016, guidelines incorporated biologic factors, such as tumor grade, cellular proliferation rate, estrogen and progesterone receptor expression, human epidermal growth factor 2 (HER2) expression, and gene expression profiling into the staging system.
Oncology. Histopathologic image from ductal cell carcinoma in situ (DCIS) of breast (hematoxylin and eosin stain) Ductal carcinoma in situ ( DCIS ), also known as intraductal carcinoma, is a pre-cancerous or non-invasive cancerous lesion of the breast. [ 1][ 2] DCIS is classified as Stage 0. [ 3] It rarely produces symptoms or a breast lump ...