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One of the most common problems seen in a primary care medical practice is low back pain. It accounts for more discomfort, lost work and productivity, and frustration for many patients than any other malady. Some think it is the price we, as humans, pay for walking upright. The lower back is a complex structure made of bone, muscles, connective tissue and nerves that, along with our legs, hold us erect, allow us to bend, run, twist, catch a football, or just lay down and rest. However, once a problem arises, the complexity of its structure makes pain in the lower back difficult to diagnose and treat. The lower back consists of a spinal column from the lumbar region of the mid-back down to the tail bone or coccyx. The spinal column consists of 5 lumbar vertebrae which are cylindrical bony structures with a ring like component behind the cylinder also made of bone. In between the vertebrae are disc shaped cushions filled with a gelatinous central core known as the nucleus pulposis
Definition An abdominal mass is swelling in one part of the belly area (abdomen). Alternative Names Mass in the abdomen Considerations An abdominal mass is usually found during a routine physical examination . Most of the time the mass develops slowly. You may not be able to feel the mass. Finding where the pain occurs helps the doctor make a diagnosis. For example, the abdomen is usually divided into four areas: Right-upper quadrant Left-upper quadrant Right-lower quadrant Left-lower quadrant Other terms used to find the location of abdominal pain or masses include: Epigastric -- center of the abdomen just below the rib cage Periumbilical -- area around the bellybutton The location of the mass and its firmness, texture, and other qualities can provide clues to its cause. Common Causes Abdominal aortic aneurysm can cause a pulsating mass around the navel. Bladder distention (urinary bladder over-filled with fluid) can cause a firm mass in the center of the lower abdomen above the pelvic bones. In extre...
If you have ever been sunburned, then you have experienced hypersensitivity. Your skin was very sensitive to light touch, warm water and clothing for days. Well, imagine if that sensitivity was being experienced in your gut. Some people are troubled by such a problem called visceral hypersensitivity .
The phenomenon of hypersensitivity involves the nervous system. At some point, the irritation to a particular organ system like the skin or the gut leads to the sensitization of the nervous system , the alarm system. In severe cases, the central nervous system becomes so hypersensitive that everything seems to hurt. Painful stimuli become even more painful; that sensitivity is called hyperalgesia . Even non-painful stimuli like touch become painful; this sensitivity is called allodynia . In the case of visceral hypersensitivity, everything from digestion to urination can become painful. Thus, many conditions are linked to visceral hypersensitivity like: noncardiac chest pain, nonulcer...
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