Paraneoplastic syndrome history and symptoms: Difference between revisions
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A '''paraneoplastic syndrome''' is a [[disease]] or [[symptom]] that is the consequence of the presence of [[cancer]] in the body, but is not due to the local presence of cancer cells. These phenomena are mediated by [[humoral]] factors (by [[Hormone|hormones]] or [[Cytokine|cytokines]]) excreted by tumor cells or by an [[immune response]] against the [[tumor]]. | A '''paraneoplastic syndrome''' is a [[disease]] or [[symptom]] that is the consequence of the presence of [[cancer]] in the body, but is not due to the local presence of cancer cells. These phenomena are mediated by [[humoral]] factors (by [[Hormone|hormones]] or [[Cytokine|cytokines]]) excreted by tumor cells or by an [[immune response]] against the [[tumor]]. | ||
Sometimes the symptoms of paraneoplastic syndromes show even before the diagnosis of a [[Malignant|malignancy]]. | Sometimes the symptoms of paraneoplastic syndromes show even before the diagnosis of a [[Malignant|malignancy]]. | ||
==History | ==History== | ||
A particularly devastating form of paraneoplastic syndromes is a group of disorders classified as [[paraneoplastic neurological disorder]]s (PNDs).<ref>{{cite journal |author=Rees JH |title=Paraneoplastic syndromes: when to suspect, how to confirm, and how to manage |journal=J. Neurol. Neurosurg. Psychiatr. |volume=75 Suppl 2 |issue= |pages=ii43-50 |year=2004 |pmid=15146039 |doi=}}</ref> These paraneoplastic disorders affect the brain and central nervous system and they are degenerative. Symptoms of paraneoplastic neurological disorders include [[ | |||
==Symptoms== | |||
A particularly devastating form of paraneoplastic syndromes is a group of disorders classified as [[paraneoplastic neurological disorder]]s (PNDs).<ref>{{cite journal |author=Rees JH |title=Paraneoplastic syndromes: when to suspect, how to confirm, and how to manage |journal=J. Neurol. Neurosurg. Psychiatr. |volume=75 Suppl 2 |issue= |pages=ii43-50 |year=2004 |pmid=15146039 |doi=}}</ref> These paraneoplastic disorders affect the brain and central nervous system and they are degenerative. | |||
Symptoms of paraneoplastic neurological disorders include | |||
* [[Ataxia]] (difficulty with walking and balance) | |||
* [[Dizziness]] | |||
* [[Nystagmus]] (rapid uncontrolled eye movements) | |||
* Difficulty swallowing | |||
* Loss of [[muscle tone]] | |||
* Loss of fine [[motor coordination]] | |||
* Slurred speech | |||
* Memory loss | |||
* Vision problems | |||
* Sleep disturbances | |||
* [[Dementia]] | |||
* [[Seizures]] | |||
* Sensory loss in the limbs | |||
The most common cancers associated with paraneoplastic neurological disorders are [[breast cancer|breast]], [[ovarian cancer|ovarian]] and [[lung cancer]], but many other cancers have been linked to PNDs as well. | The most common cancers associated with paraneoplastic neurological disorders are [[breast cancer|breast]], [[ovarian cancer|ovarian]] and [[lung cancer]], but many other cancers have been linked to PNDs as well. | ||
Revision as of 13:45, 12 September 2012
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Paraneoplastic syndrome Microchapters |
Overview
A paraneoplastic syndrome is a disease or symptom that is the consequence of the presence of cancer in the body, but is not due to the local presence of cancer cells. These phenomena are mediated by humoral factors (by hormones or cytokines) excreted by tumor cells or by an immune response against the tumor. Sometimes the symptoms of paraneoplastic syndromes show even before the diagnosis of a malignancy.
History
Symptoms
A particularly devastating form of paraneoplastic syndromes is a group of disorders classified as paraneoplastic neurological disorders (PNDs).[1] These paraneoplastic disorders affect the brain and central nervous system and they are degenerative.
Symptoms of paraneoplastic neurological disorders include
- Ataxia (difficulty with walking and balance)
- Dizziness
- Nystagmus (rapid uncontrolled eye movements)
- Difficulty swallowing
- Loss of muscle tone
- Loss of fine motor coordination
- Slurred speech
- Memory loss
- Vision problems
- Sleep disturbances
- Dementia
- Seizures
- Sensory loss in the limbs
The most common cancers associated with paraneoplastic neurological disorders are breast, ovarian and lung cancer, but many other cancers have been linked to PNDs as well.