0
Malignant skin tumors may occur in strange, asymmetrical shapes. The tumor may have long finger-like projections that extend across the skin (laterally) or down into the skin.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
What may be tumors in the body?
Benign Malignant
What types of tumors tend to metastasize and may spread to distant sites in the body?
Malignant tumors. Malignant tumors have the ability to invade the surrounding tissue. Often malignant cells enter the bloodstream vessels and lead to tumor growth in other areas of the body.
What tumors can cause cancer cells?
Cancer cells are typically caused by the transformation of normal cells within the body. These transformed cells can give rise to various types of tumors, which can be benign or malignant. It's important to understand that not all tumors are cancerous, and benign tumors do not contain cancer cells. Here are the main categories of tumors that can cause cancer: Malignant Tumors (Cancerous Tumors): Malignant tumors are composed of cancer cells that have the potential to invade nearby tissues and spread to other parts of the body. These tumors are the primary drivers of cancer. Malignant tumors can originate in various tissues and organs, resulting in different types of cancer, such as breast cancer, lung cancer, colon cancer, and more. Precancerous Lesions: These are not tumors in the traditional sense, but they represent abnormal tissue changes that have a higher risk of developing into cancer over time. Examples include precancerous cervical lesions (cervical dysplasia) that can progress to cervical cancer if not treated. Carcinomas: Carcinomas are malignant tumors that arise from the epithelial cells that line the body's surfaces and cavities. They are the most common type of cancer and can occur in organs like the skin, lungs, breast, prostate, and colon. Sarcomas: Sarcomas are malignant tumors that develop in connective tissues, such as muscles, bones, cartilage, and blood vessels. Lymphomas: Lymphomas are cancers of the lymphatic system and can give rise to malignant tumors in lymph nodes, the spleen, and other lymphatic tissues. Leukemias: Leukemias are cancers of the blood and bone marrow. While they do not typically form solid tumors, leukemia cells can proliferate in the blood and bone marrow, leading to symptoms and complications. Central Nervous System (CNS) Tumors: CNS tumors can be either benign or malignant and develop in the brain or spinal cord. Malignant CNS tumors are a primary cause of brain cancer. Germ Cell Tumors: These tumors arise from germ cells, which are cells responsible for the development of eggs in women and sperm in men. Germ cell tumors can occur in the ovaries or testes and can be cancerous. Neuroendocrine Tumors: These tumors originate in neuroendocrine cells, which are found in various organs throughout the body. Neuroendocrine tumors can be malignant and may occur in the pancreas, lungs, or gastrointestinal tract.
Do malignant tumors cause tumors in other parts of the body?
By the very definition 'malignant', absolutely. Malignant tumors contain carcinoma - or cancer. If left unchecked, they grow bigger, metastasize, and new tumors will grow elsewhere.
Are all tumours harmful?
No, not all tumors are harmful. Tumors can be broadly classified into two categories: benign tumors and malignant tumors. Benign Tumors: Benign tumors are non-cancerous growths that do not invade nearby tissues or spread to other parts of the body. These tumors grow slowly and typically have a well-defined border. While they may cause symptoms or health problems depending on their size and location, they are not considered life-threatening. Examples of benign tumors include uterine fibroids, lipomas (fatty tumors), and moles. Malignant Tumors: Malignant tumors, also known as cancerous tumors, are growths of abnormal cells that can invade nearby tissues and spread to other parts of the body through a process called metastasis. These tumors grow rapidly and can be life-threatening if left untreated. Malignant tumors can originate from various types of tissue in the body and are classified based on the type of tissue they arise from. Examples of malignant tumors include breast cancer, lung cancer, and melanoma. It's important to note that while benign tumors are not cancerous, they may still require medical attention if they cause symptoms or complications. Additionally, some benign tumors have the potential to become malignant over time, although this is relatively uncommon. Therefore, any new or unusual growth should be evaluated by a healthcare professional to determine whether further testing or treatment is necessary.
Name tumors with invasive cells that multiply excessively and infiltrate other tissues that can represent a serious threat to the patient?
Metastasis may be the word you are looking for.
Why is adrenalectomy performed?
usually advised for patients with tumors of the adrenal glands. Adrenal gland tumors may be malignant or benign, but all typically excrete excessive amounts of one or more hormones
What is the relationship between cancerous cells and a tumor?
Cancerous cells are cells that have undergone genetic mutations that cause them to grow and divide uncontrollably. These cells can form a mass of tissue called a tumor. Tumors can be either benign or malignant. Benign tumors: These tumors are non-cancerous and typically do not invade nearby tissues or spread to other parts of the body. They may grow slowly and often have well-defined borders. Malignant tumors: These tumors are cancerous and can invade nearby tissues and spread to other parts of the body through a process called metastasis. Malignant tumors can be further categorized based on their tissue of origin (e.g., carcinoma, sarcoma, lymphoma, leukemia). So, cancerous cells are the cells that make up malignant tumors, whereas benign tumors are made up of non-cancerous cells. The distinction between benign and malignant tumors is crucial for determining treatment strategies and assessing prognosis.
Under what circumstances do tumors pose a threat to health?
Malignant or cancerous tumors, however, may metastasize to other parts of the body and will ultimately result in death if not successfully treated by surgery and/or other methods.
What are the two types of cancer?
Malignantis cancerous. Malignant tumors can invade and destroy nearby tissue and spread to other parts of the body.Benign is not cancerous. Benign tumors may grow larger but do not spread to other parts of the body.
Ovarian Cancer, The Silent Killer?
Ovarian cancer I often referred to as the silent killer and originate in the ovaries. There are different classifications of tumors that can originate in the ovaries. Some of the tumors are benign; which means they are not cancerous and will more than likely never spread beyond the ovary. Women who have benign tumors have the option of seeking a treatment that may involve taking the affected ovary out. If not benign, the tumor is cancerous or malignant. Malignant tumors spread throughout the body. These tumors require a more aggressive treatment. Generally, tumors found in the ovaries are named in accordance with the cells the tumor originated from. There are three classifications of tumors: Epithelial, Germ cell, and Stromal tumors. Epithelial ovarian tumors are divided into 3 sub-groups; benign, low malignant potential and malignant tumors. Benign epithelial tumors are not cancerous and do not spread. Tumors of low malignant potential sometimes cannot be definitively classified as cancerous even when viewed under a microscope. These tumors tend to affect younger women. Even though they grow and spread, they are not as life threatening as malignant epithelial ovarian tumors. Another type of malignant cancer is primary peritoneal carcinoma. This type of cancer, similar to epithelial cancer, is rare. It starts outside of the uterus and grows from the cells that line the abdomen and pelvis. Even women who have had hysterectomies can get this type of cancer and treatment is usually very similar to methods used with the more common form of ovarian cancer. Germ cells form eggs and tumors on these cells are rare and usually not cancerous. More than 9 out of 10 patients diagnosed live at least 5 years after the tumor was detected. Stromal tumors are also rare and can be either malignant or benign. These tumors are more commonly found in women over 50 years of age. Stromal tumors typically come with a positive prognosis and more than 70 percent of every diagnosed patient lives long term. The treatment of ovarian cancer is determined by the stage in which the disease was diagnosed. The staging of the disease is performed by a gynecologic oncologist during a biopsy. The surgeon may remove as much of the cancer as possible. After the tumor is removed, it may also be determined that the patient must under chemotherapy or another appropriate form of radiation treatment. Ovarian cancer may cause bloating, abdominal pain and urinal urgency. The earlier the tumors are detected, the more positive the prognosis.
What is bone cancer and what are the physical effects on the bone?
Chondrosarcoma most commonly affects the bones of the pelvis and hips.Bone cancer is a malignant (cancerous) tumor of the bone that destroys normal bone tissue. Not all bone tumors are malignant. In fact, benign (noncancerous) bone tumors are more common than malignant ones. Both malignant and benign bone tumors may grow and compress healthy bone tissue, but benign tumors do not spread, do not destroy bone tissue, and are rarely a threat to life.Malignant tumors that begin in bone tissue are called primary bone cancer. Cancer that metastasizes (spreads) to the bones from other parts of the body, such as the breast, lung, or prostate, is called metastatic cancer, and is named for the organ or tissue in which it began. Primary bone cancer is far less common than cancer that spreads to the bones.
