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In medicine, a mass effect is the effect of a growing mass that results in secondary pathological effects by pushing on or displacing surrounding tissue. In oncology, the mass typically refers to a tumor .
An abdominal mass is any localized enlargement or swelling in the human abdomen.Depending on its location, the abdominal mass may be caused by an enlarged liver (hepatomegaly), enlarged spleen (splenomegaly), protruding kidney, a pancreatic mass, a retroperitoneal mass (a mass in the posterior of the peritoneum), an abdominal aortic aneurysm, or various tumours, such as those caused by ...
Various other terms have been used to describe this phenomenon, including "field effect", "field cancerization", and "field carcinogenesis". The term "field cancerization" was first used in 1953 to describe an area or "field" of epithelium that has been preconditioned by (at that time) largely unknown processes so as to predispose it towards ...
A neck mass or neck lump is an ambiguous mass found in the neck area. There are many different possible causes, [ 1 ] including head and neck cancer [ 2 ] and congenital conditions like branchial anomalies and thyroglossal duct cysts .
Emergency medicine A hematoma , also spelled haematoma , or blood suffusion is a localized bleeding outside of blood vessels , due to either disease or trauma including injury or surgery [ 1 ] and may involve blood continuing to seep from broken capillaries .
After the needles are placed into the mass, cells are withdrawn by aspiration with a syringe and spread on a glass slide. The patient's vital signs are taken again, and the patient is removed to an observation area for three to five hours. For biopsies in the breast, ultrasound-guided fine-needle biopsy is the most common. The biopsy is advised.
Malignancy (from Latin male 'badly' and -gnus 'born') is the tendency of a medical condition to become progressively worse; the term is most familiar as a characterization of cancer.
MASS syndrome is a medical disorder of the connective tissue similar to Marfan syndrome. MASS stands for m itral valve prolapse , a ortic root diameter at upper limits of normal for body size, s tretch marks of the skin, and s keletal conditions similar to Marfan syndrome.