Thyroid Cancer Support

Posts Tagged ‘Medullary’

Breast cancer type

Breast cancer type is categorized by whether it begins in the ducts or lobules, the organs responsible for breast milk production. Medullary carcinoma accounts for 15% of all breast cancer types. This breast cancer type represents 5% of all diagnosis. IPR015525 Breast cancer type 2 susceptibility protein Header EBIDatabasesInterPro Search Open in usermanual InterPro: ” /> Jump to: InterProScan Databases Documentation FTP site Help Click on the icon for context sensitive help from the user manual. The breast cancer type 2 susceptibility protein (BRCA2) is a breast tumour suppressor with a potential function in the cellular response to DNA damage. Some breast cancer types express one or more of these proteins on their cell surface, while others express none. Media Relations Contacts Online Press Kit Rumors, Myths, and Truths Glossary About the American Cancer Society Breastfeeding, Other Factors May Affect Risk of Breast Cancer TypeAtlanta 2008/08/25 -Factors such as age at menopause as well as a woman?s breastfeeding practices can influence her risk of developing certain types of breast cancer.

The investigators found that reproductive risk factors varied considerably by breast cancer subtype. Their analysis included 1,023 women with breast cancer whose cells express the estrogen and progesterone receptors (called luminal cancers), 39 women with HER2-overexpressing breast cancer, and 78 triple-negative cases (no expression of estrogen, progesterone, or HER2 receptors). The study also included 1,476 women without breast cancer. ? They added that additional studies on the causes of breast cancer subtypes are needed to better understand the biology of the disease. Learn more about our commitment to providing complete, accurate, and private breast cancer information. The study?s results suggest that there are distinct and separate hormonal risk factors associated with different subtypes of breast cancer. Women with what is referred to as “triple-negative” breast cancer are more likely than other women with breast cancer to experience a relapse, a new study by Canadian researchers shows. Despite having a high risk of early recurrence, the study indicates that triple-negative breast cancer patients who remain disease-free for eight years are unlikely to die of breast cancer and may be “cured” of their disease.

Breast Feeding Will Lowers Risk Of Breast Cancer

Breastfeeding for 6 months or longer was associated with a lower risk of luminal cancer as well as triple-negative cancer, a type that can be particularly aggressive and difficult to treat. Understanding the specific type of breast cancer can help you ask better questions and work with your physicians to get the best breast cancer treatments. For more information on the types and stages of breast cancer, watch Beyond the Shock®. Medullary carcinoma accounts for 15% of all breast cancer types. Infiltrating lobular carcinoma is a type of breast cancer that usually appears as a subtle thickening in the upper-outer quadrant of the breast. Making up about 2% of all breast cancer diagnosis, tubular carcinoma cells have a distinctive tubular structure when viewed under a microscope. Typically this type of breast cancer is found in women aged 50 and above. Inflammatory breast cancer is a rare and very aggressive type of breast cancer that causes the lymph vessels in the skin of the breast to become blocked.

Breast Cancer Risk

The study’s results suggest that there are distinct and separate hormonal risk factors associated with different subtypes of breast cancer. Amanda Phipps, a predoctoral research associate at the Fred Hutchinson Cancer Research Center in Seattle, and her colleagues conducted a study to better understand the specific risk factors for the subtypes of breast cancer, which are classified by expression of the estrogen receptor, the progesterone receptor, and the HER2 receptor. The investigators found that reproductive risk factors varied considerably by breast cancer subtype. Breastfeeding for 6 months or longer was associated with a lower risk of luminal cancer as well as triple-negative cancer, a type that can be particularly aggressive and difficult to treat. Both late age at menopause and use of estrogen plus progestin hormone therapy were associated with an increased risk of luminal disease. Finally, no differences in risks associated with number of children or the age when a woman first gave birth were observed by subtype. The study authors concluded that their results indicate that “certain reproductive factors may have a greater impact on risk of certain molecular subtypes of disease compared to others. Despite having a high risk of early recurrence, the study indicates that triple-negative breast cancer patients who remain disease-free for eight years are unlikely to die of breast cancer and may be “cured” of their disease. Insulin resistance, hyperinsulinemia, and changes in the signaling of growth hormones and steroid hormones associated with diabetes may affect the risk of breast cancer. Despite many proposed potential pathways, the mechanisms underlying an association between diabetes and breast cancer risk remain unclear, particularly because the 2 diseases share several risk factors, including obesity, a sedentary lifestyle, and possibly intake of saturated fat and refined carbohydrates, that may confound this association. Although the metabolic syndrome is closely related to diabetes and embraces additional components that might influence breast cancer risk, the role of the metabolic syndrome in breast carcinogenesis has not been studied and thus remains unknown.

For more info related to this subject and others please visit Breast Cancer Info

Thyroid cancer is one of the less common types of cancer to be diagnosed and, for most people who contact it, with treatment, the prospects of recovery are very good.

Many people discovering a lump in their thyroid region perhaps automatically fear that this might indicate cancer but most estimates reckon that only about 5% of all thyroid lumps are actually cancerous. Women are more at risk of thyroid cancer than men, with the highest chance of having the problem being between the ages of 30 and 55, before it decreases somewhat. The risk for men increases with age, until the age of about 75.

The four different types of thyroid cancer are papillary thyroid cancer, follicular thyroid cancer and the less common medullary and anaplastic tumours. Papillary cancer, the most common type, is also the one most likely to appear in people in the younger age bracket. Follicular cancer is more probable in older people. Medullary cancer can sometimes be genetically inherited so, if there is a family history of this problem, regular check ups and blood tests are a good idea. Anaplastic tumours, the rarest type of thyroid cancer, are more common in elderly patients and can develop more quickly than other types, whilst also sometimes being difficult to treat. In addition, it is possible that a person could develop a lymphoma of the thyroid, but this is even more uncommon.

There is no indication whatsoever that having an overactive or underactive thyroid can increase the risks of thyroid cancer. However, it has been estimated that approximately 1 in 5 cases of thyroid cancer do actually occur in people who, in the past, have had nodules, goitres or inflammation of the thyroid. This is particularly evident amongst people who have had nodules at a younger age.

Other possible people at more risk of thyroid cancer appear to be those who have had radiotherapy in the neck; been exposed to radiation in their work; suffer from the bowel disorder known as Familial Adenomatous Polyposis; have low iodine levels; have recently had babies or are going through the menopause.

Research studies, however, indicate that by far the largest contributory factor towards thyroid cancer appears to be an unhealthy diet. It appears that eating refined rather than unrefined carbohydrates leads to a higher risk of the problem developing. Eating good amounts of vegetables, containing Vitamins C and E, and avoiding too much butter, cheese and red meat seems to be a way of trying to avoid thyroid cancer.

Dependent upon the type of cancer you have, your age, fitness levels and general health and how far your cancer has developed, your specialist doctor will decide upon the requisite treatment for you. Predominantly, surgery, radiotherapy, chemotherapy and occasionally hormone therapy are used.

Surgery can involve either a partial or total thyroidectomy – removal of the thyroid gland. Mostly, doctors prefer the total thyroidectomy as it stops the cancer from possibly returning, although it means the patient
will require thyroid hormone tablets afterwards.

The radiotherapy used in thyroid cancer treatment is a targeted radiotherapy employing a radioactive form of iodine which can specifically target and destroy the cancer cells. There are generally very few side effects to this treatment. Radiotherapy is sometimes used after surgery to help prevent the return of the cancer or to treat cancer that has returned despite previous treatment. Chemotherapy, much less commonly used, is employed to treat advanced or returning cancers.

It needs to be re-emphasised, though, that not only is thyroid cancer quite rare but also, especially with early diagnosis and treatment, the fact is that many people are successfully and completely cured of it.