Search results
Results from the WOW.Com Content Network
The protein encoded by this gene is a member of the tumor necrosis factor receptor superfamily, which also contains TNFRSF1B. This protein is one of the major receptors for the tumor necrosis factor-alpha. This receptor can activate the transcription factor NF-κB, mediate apoptosis, and function as a regulator of inflammation.
Esophageal cancer is cancer arising from the esophagus—the food pipe that runs between the throat and the stomach. [2] Symptoms often include difficulty in swallowing and weight loss. [ 1 ] Other symptoms may include pain when swallowing , a hoarse voice , enlarged lymph nodes ("glands") around the collarbone , a dry cough, and possibly ...
Invasion of bone by cancer is the most common source of cancer pain. About 70 percent of breast and prostate cancer patients, and 40 percent of those with lung, kidney and thyroid cancers develop bone metastases. It is commonly felt as tenderness, with constant background pain and instances of spontaneous or movement-related exacerbation, and ...
Gastrointestinal cancer refers to malignant conditions of the gastrointestinal tract (GI tract) and accessory organs of digestion, including the esophagus, stomach, biliary system, pancreas, small intestine, large intestine, rectum and anus. The symptoms relate to the organ affected and can include obstruction (leading to difficulty swallowing ...
This is called referred pain. Pain in cancer can be produced by mechanical (e.g. pinching) or chemical (e.g. inflammation) stimulation of specialized pain-signalling nerve endings found in most parts of the body (called nociceptive pain), or it may be caused by diseased, damaged or compressed nerves, in which case it is called neuropathic pain.
The submucosa displays an infiltrate including lymphocytes and plasma cells, constituting an underlying chronic inflammation. The area between the stratified and the intestinalized epithelium displays reactive changes, but there is no secondary dysplasia in this case. H&E stain. Barrett's esophagus occurs due to chronic inflammation.
Because soft tissue is relatively elastic, tumors can grow rather large, pushing aside normal tissue, before they are felt or cause any problems. The first noticeable symptom is usually a painless lump or swelling. As the tumor grows, it may cause other symptoms, such as pain or soreness, as it presses against nearby nerves and muscles.
Cancer is caused by genetic changes leading to uncontrolled cell growth and tumor formation. The basic cause of sporadic (non-familial) cancers is DNA damage and genomic instability. [1] [2] A minority of cancers are due to inherited genetic mutations. [3] Most cancers are related to environmental, lifestyle, or behavioral exposures. [4]