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Breast cancer
What is invasive breast cancer?
Invasive breast cancer is the most common tumor in women, accounting for 22% of all malignant tumors in females. Invasive breast cancer refers to a malignant tumor where cancer cells have broken through the basement membrane of the breast ducts or lobular alveoli and invaded the interstitium. The vast majority of invasive breast cancers are adenocarcinomas, originating from the epithelial cells of the breast parenchyma, especially from the terminal duct lobular units. Its characteristics include the tumor's infiltration into adjacent tissues and a marked tendency for distant metastasis.
How long does breast cancer surgery take?
Generally speaking, for breast cancer surgery, local anesthesia is first used to biopsy the pathology. After removing the pathology, it is quickly determined whether it is malignant or benign. Then, the procedure is switched to general anesthesia to perform either modified radical mastectomy or radical mastectomy, or a sentinel lymph node biopsy. The approximate time is about two hours, plus postoperative care, it usually ends in about two and a half hours, and then the patient is sent back to the ward to rest, generally not exceeding three hours.
How does one get breast cancer?
How is breast cancer caused? Regarding the causes of breast cancer, the primary factor should be family history. If a first-degree relative has breast cancer, then the likelihood of developing breast cancer increases. The second factor is reproductive factors; for instance, if the age at menarche is quite young, menopause age is relatively late, menstrual cycles are short, there is no childbirth or the age at first full-term pregnancy is older, there are fewer childbirths, and there is a lack of breastfeeding, then the incidence of breast cancer is also higher. The third factor involves hormones, possibly related to endogenous hormones or exogenous hormones, such as those mainly associated with oral contraceptives used externally. The fourth major point is a high-fat diet, or habits like drinking alcohol, smoking, and a diet low in vitamins, which may increase the risk of breast cancer. The fifth point involves other factors, such as exposure to significant amounts of ionizing radiation, chemicals from cancer drugs, lack of physical exercise, and occupations, such as working in the beauty industry or pharmaceutical manufacturing, etc., which may also increase the chances of developing breast cancer.
Causes of Breast Cancer
The causes of breast cancer are not yet fully understood, but research has shown that the onset of breast cancer follows certain patterns and is related to various risk factors: The first is the age of onset for female breast cancer, which is generally low from ages zero to twenty-four, gradually increases after twenty-five, and peaks from fifty to fifty-four years old. So, the first factor is related to age; The second factor is genetics. If a mother or sister has breast cancer, then the individual’s likelihood of developing breast cancer may be higher, making family history a relevant factor; The third point involves risk factors related to the breast, including early menarche (before the age of twelve), late menopause (after the age of fifty-five), being unmarried, nulliparous, late marriage, and not breastfeeding. These factors also tend to increase the likelihood of developing breast cancer; The fourth point is that benign breast conditions, if not promptly diagnosed and treated, could potentially transform into malignant tumors; The fifth point includes potential exposure to radiation, long-term use of exogenous estrogens, postmenopausal obesity, chronic alcohol consumption, and an irregular lifestyle, all of which can also have an impact.
Does breast cancer have a genetic component?
Breast cancer is somewhat related to genetics and has a certain familial predisposition. It manifests as a higher incidence rate in relatives with breast cancer, especially in closer blood relations, and daughters may develop the disease at an earlier age than their mothers. There is also a higher risk of bilateral occurrence and a tendency for other malignant tumors to develop in different parts of the body. Additionally, if a family has at least two sisters with breast cancer and their mother is not afflicted by the disease, the susceptibility of this family is about three times higher than average, commonly occurring after menopause, and usually affecting one side. Of course, the influence of human genetic factors on the development of breast cancer is multifaceted. The occurrence of breast cancer is affected not only by genetic factors but also by many other factors, which have a cumulative effect of risks. It is recommended that individuals from families with a history of breast cancer should undergo regular screening, improve their lifestyle, and avoid the accumulation of risk factors, which can also enable earlier detection and treatment of breast cancer that has already developed.
early symptoms of breast cancer
Breast cancer commonly occurs in the upper outer quadrant of the breast, with a hard, stone-like texture, mostly presenting as solitary masses that can be round, oval, or irregular in shape. These tumors have limited mobility and tend to adhere to the skin and surrounding tissues. However, the size of the mass does not change with menstrual cycles or emotional fluctuations, and it can grow rapidly in a short period. It predominantly affects middle-aged and elderly women. Additionally, mammography can reveal tiny calcifications, abnormal vascular patterns, and spiculated changes.
Breast Cancer Self-Examination Method
Breast self-examination helps to detect changes in the breasts in a timely manner, and to discover breast diseases promptly. For instance, breast lumps are often found by patients themselves during self-examination. However, finding a breast lump does not necessarily mean it is breast cancer, as many conditions can present as breast lumps, such as the most common one, fibrocystic breast changes. Besides breast self-examination, early detection of breast cancer also relies on regular physical check-ups. It is recommended that women of childbearing age should develop the habit of regular breast self-examinations and routine physical check-ups, and consult a doctor promptly if abnormalities are found.
Types of breast cancer surgery
Breast cancer surgery types are generally still dominated by modified radical mastectomy. Modified radical mastectomy can be divided into two types; one preserves both the pectoralis major and pectoralis minor muscles, and the other removes the pectoralis minor muscle but preserves the pectoralis major muscle. Another option is breast-conserving surgery, which is feasible for tumors smaller than three centimeters and at least two centimeters away from the nipple. Nowadays, sentinel lymph node biopsy has become popular. If it proves that the sentinel lymph node has no metastasis, a single mastectomy can be performed.
Breast cancer is a disease.
Breast cancer is a malignant tumor of the breast that can occur in both women and men, though it is more commonly seen in women. Breast cancer arises when breast epithelial cells undergo genetic mutations under the influence of various carcinogenic factors, losing the characteristics of normal cells. Consequently, the structural organization of breast cancer tissue is disrupted, with loose cell connections, allowing cancer cells to easily detach and spread throughout the body via pathways such as blood or lymphatic fluid, leading to metastases in the lungs, brain, bones, etc. Therefore, this disease directly affects patient survival outcomes and should be taken seriously by everyone.
Late-stage symptoms of breast cancer
The first symptom of advanced breast cancer is a lump in the breast, which may be larger than before, or there may be multiple lumps that are fixed to the surrounding tissues and have limited mobility. The second symptom is nipple discharge, which could be watery, serous, or milky. The third possible sign is changes in the skin, such as dimpling or an orange-peel texture. The fourth point includes the retraction of the nipple, abnormalities in the areola, and thickening and reddening of the nipple skin. The fifth point can involve pain in the breast. In advanced stages, the cancer may directly invade the nerves. Sixthly, advanced breast cancer may lead to metastases; for example, brain metastases might cause symptoms like nausea, vomiting, headaches, and dizziness. If there are bone metastases, especially multiple bone metastases, symptoms could include pain in the lower back and pain along the sciatic nerve, among others.