Tag: Oncology
Pancreatic Cancer
Pancreatic Cancer: Definition and Description of Pancreatic Cancer: Pancreatic cancer occurs when malignant (cancerous) cells form in the tissues of the pancreas, a gland that is crucial for digestion and blood sugar regulation. The pancreas is located behind the stomach and plays a significant role in producing enzymes that aid in digestion and hormones, such…
Nephrocarcinoma
Nephrocarcinoma: Definition and Description of Nephrocarcinoma: Nephrocarcinoma, often referred to as renal cell carcinoma (RCC), is a type of kidney cancer that originates in the lining of the renal tubules. It is one of the most common forms of kidney cancer in adults, accounting for approximately 90% of all kidney malignancies. RCC can be aggressive…
Nasopharyngeal Cancer
Nasopharyngeal Cancer: Definition and Description of Nasopharyngeal Cancer: Nasopharyngeal cancer is a type of cancer that begins in the nasopharynx, which is the area located behind the nose and above the back of the throat. This cancer most commonly arises from the epithelial cells of the nasopharyngeal lining. It is more prevalent in certain geographic…
Malignant Appendical Tumor
Malignant Appendical Tumor Definition and Description of Malignant Appendical Tumor A malignant appendical tumor is a rare type of neoplasm that arises from the appendix. These tumors can be classified as primary or secondary. Primary malignant appendiceal tumors are those that originate in the appendix, while secondary tumors are metastatic lesions that have spread from…
Malignant Mesothelioma
Malignant Mesothelioma Definition and Description of Malignant Mesothelioma Malignant Mesothelioma is a rare and aggressive form of cancer that primarily affects the mesothelium, a protective lining that covers the majority of internal organs. This type of cancer is most often related to asbestos exposure, which leads to cancerous changes in the mesothelial cells. The disease…
Liposarcoma
Liposarcoma Definition and Description of Liposarcoma Liposarcoma is a rare type of cancer that begins in the fat cells. It typically develops in deep soft tissues, such as those found in the limbs or abdominal cavity, and can occur in any part of the body where fatty tissue is present. This malignant tumor is classified…
Hepatocellular Carcinoma
Hepatocellular Carcinoma Definition and Description of Hepatocellular Carcinoma Hepatocellular carcinoma (HCC) is the most common type of liver cancer and accounts for approximately 75% of all primary liver cancer cases. It typically arises from the hepatocytes, which are the main functional cells in the liver. HCC is characterized by the proliferation of malignant cells, often…
HER2-Positive Breast Cancer
HER2-Positive Breast Cancer Definition and Description of HER2-Positive Breast Cancer HER2-Positive Breast Cancer is a type of breast cancer characterized by the overexpression of the Human Epidermal growth factor Receptor 2 (HER2) protein. This protein promotes the growth of cancer cells. Approximately 15-20% of breast cancers are HER2-positive, and it is associated with a more…
Gastrointestinal Stromal Tumors
Gastrointestinal Stromal Tumors Definition and Description of Gastrointestinal Stromal Tumors Gastrointestinal Stromal Tumors (GISTs) are a type of tumor that occurs in the gastrointestinal tract, primarily in the stomach and small intestine. They arise from interstitial cells of Cajal or precursor cells, which are part of the autonomic nervous system of the digestive tract. GISTs…
Follicular Lymphoma
Follicular Lymphoma Definition and Description of Follicular Lymphoma Follicular Lymphoma (FL) is a type of non-Hodgkin lymphoma, which originates in the lymphatic system. It primarily affects the B cells, a class of white blood cells responsible for producing antibodies. FL is characterized by the presence of follicle-like structures made up of malignant lymphoid cells. The…