Cancer of unknown primary origin causes: Difference between revisions

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*Overexpression of several [[genes]] has been noted in patients with cancer of unknown primary including [[Ras gene|Ras]], [[p53]], [[Bcl2|Bcl-2]], and [[Her2 gene|Her-2]].<ref name="pmid10653878">{{cite journal| author=Hainsworth JD, Lennington WJ, Greco FA| title=Overexpression of Her-2 in patients with poorly differentiated carcinoma or poorly differentiated adenocarcinoma of unknown primary site. | journal=J Clin Oncol | year= 2000 | volume= 18 | issue= 3 | pages= 632-5 | pmid=10653878 | doi=10.1200/JCO.2000.18.3.632 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10653878  }} </ref><ref name="pmid9677443">{{cite journal| author=Briasoulis E, Tsokos M, Fountzilas G, Bafaloukos D, Kosmidis P, Samantas E et al.| title=Bcl2 and p53 protein expression in metastatic carcinoma of unknown primary origin: biological and clinical implications. A Hellenic Co-operative Oncology Group study. | journal=Anticancer Res | year= 1998 | volume= 18 | issue= 3B | pages= 1907-14 | pmid=9677443 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9677443  }} </ref>
*Overexpression of several [[genes]] has been noted in patients with cancer of unknown primary including [[Ras gene|Ras]], [[p53]], [[Bcl2|Bcl-2]], and [[Her2 gene|Her-2]].<ref name="pmid10653878">{{cite journal| author=Hainsworth JD, Lennington WJ, Greco FA| title=Overexpression of Her-2 in patients with poorly differentiated carcinoma or poorly differentiated adenocarcinoma of unknown primary site. | journal=J Clin Oncol | year= 2000 | volume= 18 | issue= 3 | pages= 632-5 | pmid=10653878 | doi=10.1200/JCO.2000.18.3.632 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10653878  }} </ref><ref name="pmid9677443">{{cite journal| author=Briasoulis E, Tsokos M, Fountzilas G, Bafaloukos D, Kosmidis P, Samantas E et al.| title=Bcl2 and p53 protein expression in metastatic carcinoma of unknown primary origin: biological and clinical implications. A Hellenic Co-operative Oncology Group study. | journal=Anticancer Res | year= 1998 | volume= 18 | issue= 3B | pages= 1907-14 | pmid=9677443 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9677443  }} </ref>


===Life-threatening Causes===
*Life-threatening causes include conditions which may result in death or permanent disability within 24 hours if left untreated. There are no life-threatening causes of [[disease name]], however complications resulting from untreated [[disease name]] is common.
*Life-threatening causes of [symptom/manifestation] include [cause1], [cause2], and [cause3].
*[Cause] is a life-threatening cause of [disease].
===Common Causes===
Common causes of [disease name] may include:
*[Cause1]
*[Cause2]
*[Cause3]
OR
*[Disease name] is caused by an infection with [pathogen name].
*[Pathogen name] is caused by [pathogen name].
===Less Common Causes===
Less common causes of [disease name] include:
*[Cause1]
*[Cause2]
*[Cause3]
===Genetic Causes===
*[Disease name] is caused by a mutation in the [gene name] gene.
===Causes by Organ System===
{| style="width:80%; height:100px" border="1"
| style="width:25%" bgcolor="LightSteelBlue" ; border="1" |'''Cardiovascular'''
| style="width:75%" bgcolor="Beige" ; border="1" | No underlying causes
|-
| bgcolor="LightSteelBlue" | '''Chemical/Poisoning'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Dental'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Dermatologic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Drug Side Effect'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Ear Nose Throat'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Endocrine'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Environmental'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Gastroenterologic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Genetic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Hematologic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Iatrogenic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Infectious Disease'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Musculoskeletal/Orthopedic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Neurologic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Nutritional/Metabolic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Obstetric/Gynecologic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Oncologic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Ophthalmologic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Overdose/Toxicity'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Psychiatric'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Pulmonary'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Renal/Electrolyte'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Rheumatology/Immunology/Allergy'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Sexual'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Trauma'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Urologic'''
| bgcolor="Beige" | No underlying causes
|-
|- bgcolor="LightSteelBlue"
| '''Miscellaneous'''
| bgcolor="Beige" | No underlying causes
|-
|}
===Causes in Alphabetical Order===
List the causes of the disease in alphabetical order:
<div style="-moz-column-count:3; column-count:3;">
* Cause 1
* Cause 2
* Cause 3
* Cause 4
* Cause 5
* Cause 6
* Cause 7
* Cause 8
* Cause 9
* Cause 10
</div>


==References==
==References==

Revision as of 20:39, 6 February 2019

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Overview

The cause of cancer of unknown primary origin has not been identified.

Causes

  • The cause of cancer of unknown primary origin has not been identified.
  • Several studies have evaluated the chromosomal and molecular anomalies found in cancers of unknown primary; however, they could not identify unique causes of metastasis of unknown primaries relative to those with known primary origins.
  • Overexpression of several genes has been noted in patients with cancer of unknown primary including Ras, p53, Bcl-2, and Her-2.[1][2]


References

  1. ↑ Hainsworth JD, Lennington WJ, Greco FA (2000). "Overexpression of Her-2 in patients with poorly differentiated carcinoma or poorly differentiated adenocarcinoma of unknown primary site". J Clin Oncol. 18 (3): 632–5. doi:10.1200/JCO.2000.18.3.632. PMID 10653878.
  2. ↑ Briasoulis E, Tsokos M, Fountzilas G, Bafaloukos D, Kosmidis P, Samantas E; et al. (1998). "Bcl2 and p53 protein expression in metastatic carcinoma of unknown primary origin: biological and clinical implications. A Hellenic Co-operative Oncology Group study". Anticancer Res. 18 (3B): 1907–14. PMID 9677443.

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