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Neuroblastoma Learning Center

The first symptoms are usually fever, a general sick feeling (malaise), and pain. There may also be loss of appetite, weight loss, and diarrhea.
Source:ADAM
Date:June 10, 2008
The causes of neuroblastoma are not precisely known. Current research holds that neuroblastomas develop when cells produced by the fetus (neuroblast cells) fail to mature into normal nerve or adrenal cells and keep growing and proliferating. The f...
Source:Gale Encyclopedia of Medicine
The causes of neuroblastoma are not precisely known. Current research holds that neuroblastomas develop when cells produced by the fetus (neuroblast cells) fail to mature into normal nerve or adrenal cells and keep growing and proliferating. The f...
Source:Gale Encyclopedia of Cancer
Weakness is a reduction in the strength of one or more muscles.
Source:ADAM
Date:August 8, 2009
Paralysis is defined as complete loss of strength in an affected limb or muscle group.
Source:Gale Encyclopedia of Medicine
Paralysis is defined as complete loss of strength in an affected limb or muscle group.
Source:Gale Encyclopedia of Nursing and Allied Health
An abdominal mass is swelling in one specific part of the belly area (abdomen.
Source:ADAM
Date:November 16, 2008
A skin lesion is a superficial growth or patch of the skin that does not resemble the area surrounding it.
Source:Gale Encyclopedia of Medicine
Bone pain represents one of the most debilitating side effects of the metastases of high-incidence cancers such as breast, prostate, lung, and multiple myeloma (myelomatosis). Severe bone pain is frequent, reported by greater than 65% of patients ...
Source:Gale Encyclopedia of Cancer
Breathing difficulty involves a sensation of difficult or uncomfortable breathing or a feeling of not getting enough air. See also: Difficulty breathing - first aid
Source:ADAM
Date:June 12, 2009
Shortness of breath, or dyspnea, is a feeling of difficult or labored breathing that is out of proportion to the patient's level of physical activity. It is a symptom of a variety of different diseases or disorders and may be either acute or chronic.
Source:Gale Encyclopedia of Medicine
A swollen abdomen is when your belly area is bigger than usual. See also: Abdominal girth
Source:ADAM
Date:November 16, 2008
Bulging eyes is the abnormal protrusion (bulging out) of one or both eyeballs.
Source:ADAM
Date:February 1, 2009
When there is an increase in the volume of the tissue behind the eyes, the eyes will appear to bulge out of the face. The terms exophthalmos and proptosis apply. Proptosis can refer to any organ that is displaced forward, while exophthalmos refers...
Source:Gale Encyclopedia of Medicine
Decreased consciousness is reduced alertness or awareness.
Source:ADAM
Date:April 21, 2009
Diarrhea is loose, watery, and frequent stool. Diarrhea is considered chronic (long-term) when you have had loose or frequent stools for more than 4 weeks.
Source:ADAM
Date:February 19, 2009
To most persons, diarrhea means an increased frequency or softer consistency of bowel movements; however, the medical definition is more exact than this. Diarrhea best correlates with an increase in stool weight; stool weights above 300 g per day ...
Source:Gale Encyclopedia of Alternative Medicine
Pain is a universal human experience. The International Association for the Study of Pain (IASP) defines pain as "an unpleasant sensory and emotional experience associated with actual or potential tissue damage or described in terms of such damage...
Source:Gale Encyclopedia of Neurological Disorders
Pain, medically termed "nociception," is a response to noxious stimuli that is conveyed to the brain by sensory neurons . The discomfort signals actual or impending injury to the body. However, pain is more than a sensation, or the physical awaren...
Source:Gale Encyclopedia of Nursing and Allied Health
Pain is an unpleasant feeling that is conveyed to the brain by sensory neurons. The discomfort signals actual or potential injury to the body. However, pain is more than a sensation, or the physical awareness of pain; it also includes perception, ...
Source:Gale Encyclopedia of Medicine
Pain is an unpleasant feeling that is conveyed to the brain by nerves in the body.
Source:Gale Encyclopedia of Children's Health
Pain is an unpleasant feeling that is conveyed to the brain by sensory neurons. The discomfort signals actual or potential injury to the body. However, pain is more than a sensation, or the physical awareness of pain; it also includes perception, ...
Source:Gale Encyclopedia of Alternative Medicine
Fatigue is a feeling of weariness, tiredness, or lack of energy.
Source:ADAM
Date:August 3, 2009
Fatigue is physical and/or mental exhaustion that can be triggered by stress , medication, overwork, or mental and physical illness or disease.
Source:Gale Encyclopedia of Alternative Medicine
Fatigue may be defined as a subjective state in which one feels tired or exhausted, and in which the capacity for normal work or activity is reduced. There is, however, no commonly accepted definition of fatigue when it is considered in the contex...
Source:Gale Encyclopedia of Neurological Disorders
Fatigue may be defined as a subjective state in which one feels tired or exhausted, and in which the capacity for normal work or activity is reduced. There is, however, no commonly accepted definition of fatigue when it is considered in the contex...
Source:Gale Encyclopedia of Mental Disorders
Fatigue is physical and/or mental exhaustion that can be triggered by stress , medication, overwork, or mental and physical illness or disease.
Source:Gale Encyclopedia of Medicine
Fatigue is a feeling of exhaustion or loss of strength. The duration of fatigue for a patient with cancer has been found to last from one to two times the length of time between diagnosis and completion of treatment, so it is common for fatigue to...
Source:Gale Encyclopedia of Cancer
Irritability is an excessive response to stimuli.
Source:ADAM
Date:November 7, 2009
Memory loss (amnesia) is unusual forgetfulness.
Source:ADAM
Date:November 13, 2008
Memory loss can be partial or total. Most memory loss occurs as part of the normal aging process. However, memory loss may also occur as a result of severe emotional trauma or due to brain damage following disease or physical trauma. Memory loss c...
Source:Gale Encyclopedia of Alternative Medicine
Amnesia refers to the loss of memory. Memory loss may result from two-sided (bilateral) damage to parts of Memory loss may result from bilateral damage to the limbic system of the brain responsible for memory storage, processing, and recall. (Illu...
Source:Gale Encyclopedia of Medicine
Being tired is the familiar aftermath of physical exertion, prolonged labor or lack of sleep. When does being tired become a symptom of a condition? Fatigue, malaise, lassitude, exhaustion are all subtle variations of the same subjective feelings of not having enough energy to meet the demands of one's life.
Source:Healthline
Date:September 30, 2007
Malaise is a generalized feeling of discomfort, illness, or lack of well-being.
Source:ADAM
Date:February 22, 2009
An arrhythmia is a disorder of the heart rate (pulse) or heart rhythm, such as beating too fast (tachycardia), too slow (bradycardia), or irregularly.
Source:ADAM
Date:May 15, 2008
An arrhythmia is an abnormality in the heart's rhythm, or heartbeat pattern. The heartbeat can be too slow, too fast, have extra beats, skip a beat, or otherwise beat irregularly.
Source:Gale Encyclopedia of Medicine
Paleness is an abnormal loss of color from normal skin or mucous membranes.
Source:ADAM
Date:April 13, 2009
The heart rate, usually measured by checking the arterial pulse or sounds counting the times of the heart beat, is considered one of the vital signs. Vital signs – body temperature, pulse, breathing rate, and blood pressure provide information about the state of health of a person and, if abnormal, offer clues to problems.
Source:Healthline
Date:September 30, 2007
Gait and balance problems exist when a disease process, trauma, or aging result in the inability to control one's center of gravity (COG) over the base of support (BOS) in static or dynamic tasks and environments.
Source:Gale Encyclopedia of Nursing and Allied Health
Bone pain or tenderness is aching or other discomfort in one or more bones.
Source:ADAM
Date:May 2, 2009
Rhythmic, oscillating motions of the eyes are called nystagmus. The to-and-fro motion is generally involuntary. Vertical nystagmus occurs much less frequently than horizontal nystagmus and is often, but not necessarily, a sign of serious brain dam...
Source:Gale Encyclopedia of Medicine
Nystagmus is a condition in which there is involuntary and rhythmic movement or oscillation of the eye. It is often caused by an underlying ocular or neurological disorder.
Source:Gale Encyclopedia of Children's Health
Uncoordinated movement is muscle control problem or an inability to finely coordinate movements, which results in a jerky, unsteady, to-and-fro motion of the middle of the body (trunk) and unsteady gait (walking style. The condition is called ataxia.
Source:ADAM
Date:March 26, 2009
Ataxia, a medical term originated from the Greek language meaning "without order," refers to disturbances in the control of body posture, motor coordination, speech control, and eye movements. Several brain areas, including the cerebellum and the ...
Source:Gale Encyclopedia of Neurological Disorders
Lack of coordination in the muscles. Ataxia, an extreme lack of coordination of the muscles, is a symptom of damage to the central nervous system. People with ataxia typically stand with feet planted far apart, and sway while standing, struggling ...
Source:Gale Encyclopedia of Childhood and Adolescence
Developmental coordination disorder is diagnosed when children do not develop normal motor coordination (coordination of movements involving the voluntary muscles).
Source:Gale Encyclopedia of Mental Disorders
Nystagmus refers to rapid involuntary movements of the eyes that may be: Side to side (horizontal nystagmus; Up and down (vertical nystagmus; Rotary. Depending on the cause, these movements may be in both eyes or in just one eye. The term "dancing...
Source:ADAM
Date:March 26, 2009
The heart rate, usually measured by checking the arterial pulse or sounds counting the times of the heart beat, is considered one of the vital signs. Vital signs – body temperature, pulse, breathing rate, and blood pressure provide information about the state of health of a person and, if abnormal,offer clues to problems.
Source:Healthline
Date:September 30, 2007
Skin blushing or flushing is a sudden reddening of the face, neck, or upper chest.
Source:ADAM
Date:April 15, 2009
Aimless movements can be a symptom of a primary or secondary movement disorder, side effect of a medication, psychiatric disturbance or dementia. Aimless or purposeless movement is therefore a significant symptom requiring evaluation by a physician to determine the origin of the problem.
Source:Healthline
Date:November 30, 2007
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