Benign and Malignant Tumors. If a tumor is found to be malignant, you have breast cancer or another form of cancer. Malignant tumors are aggressive and will spread to other surrounding tissues. When the tumor is identified, your doctor may recommend a biopsy to identify how advanced the cancer is and how severe it is. A tumor is a mass of abnormal tissue. There are two types of breast cancer tumors: those that are non-cancerous, or ‘benign’, and those that are cancerous, which are ‘malignant’. Benign Tumors. When a tumor is diagnosed as benign, doctors will usually leave it alone rather than remove it.
Jul 25, · Malignant breast tumors are life-threatening. If a cancerous tumor is not detected in the breast through routine breast examinations, the tumor continues to grow. The malignant tumor will then spread into the lymph nodes and bloodstream, dropping the chance of a woman's survival significantly. Metaplastic breast cancer is rare, accounting for fewer than 1 percent of all invasive breast cancers. Compared to more common types of breast cancer, metaplastic tumors tend to: Be larger; Have a higher tumor grade; They are also more likely to be triple negative. Triple negative breast cancers are: Estrogen receptor-negative.
Ultrasound is an essential breast imaging tool. Initially, the role of breast ultrasound was solely to distinguish cysts from solid masses. However, with major advances in ultrasound technology during the past 20 years, ultrasound can also now distinguish benign and malignant solid breast masses. PURPOSE: To investigate the general applicability and interobserver variability of ultrasonographic (US) features in differentiating benign from malignant solid breast masses. MATERIALS AND METHODS: One hundred sixty-two consecutive solid masses with a tissue diagnosis were reviewed. Three radiologists reviewed the masses without knowledge of clinical history or histologic examination njwx.info by: