Pheochromocytoma CT: Difference between revisions

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==Overview==
==Overview==
[[Head]], [[neck]], [[chest]], and [[abdomen|abdominal]] CT scans may be helpful in the diagnosis of pheochromocytoma.
[[Head]], [[neck]], [[chest]], and [[abdomen|abdominal]] [[CT scans]] may be helpful in the diagnosis of pheochromocytoma.
==CT==
==CT scan==
[[Computed tomography]]Radiological evaluation should follow lab tests to locate site of the tumour.<ref name="pmid1787652">{{cite journal| author=Bravo EL| title=Pheochromocytoma: new concepts and future trends. | journal=Kidney Int | year= 1991 | volume= 40 | issue= 3 | pages= 544-56 | pmid=1787652 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1787652  }} </ref>
* [[abdomen|Abdominal]], [[head]], [[neck]], and [[chest]] [[CT scans]] may be helpful in the diagnosis of pheochromocytoma.
* Most common extra-adrenal locations are  superior and inferior abdominal [[Paraaortic lymph node|paraaortic]] areas, the urinary bladder, thorax, head, neck and pelvis.<ref name="pmid1729490">{{cite journal| author=Whalen RK, Althausen AF, Daniels GH| title=Extra-adrenal pheochromocytoma. | journal=J Urol | year= 1992 | volume= 147 | issue= 1 | pages= 1-10 | pmid=1729490 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1729490  }} </ref>
* [[Radiological]] evaluation should follow biochemical lab tests to locate site of the [[tumor]].  
 
* The following findings may be observed on [[CT scan]]:<ref name="pmid1787652">{{cite journal| author=Bravo EL| title=Pheochromocytoma: new concepts and future trends. | journal=Kidney Int | year= 1991 | volume= 40 | issue= 3 | pages= 544-56 | pmid=1787652 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1787652  }} </ref>
* In sporadic pheochromocytoma, CT and MRI are good choices.Choosing depends on availability and cost.<ref name="pmid191248172">{{cite journal| author=Baid SK, Lai EW, Wesley RA, Ling A, Timmers HJ, Adams KT et al.| title=Brief communication: radiographic contrast infusion and catecholamine release in patients with pheochromocytoma. | journal=Ann Intern Med | year= 2009 | volume= 150 | issue= 1 | pages= 27-32 | pmid=19124817 | doi= | pmc=3490128 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19124817  }}</ref>
** Adrenal mass
* Familial pheochromocytoma – In patients with the [[multiple endocrine neoplasia]] type 2 (MEN2) syndrome, CT may miss the tumors.<ref name="pmid17876522">{{cite journal| author=Bravo EL| title=Pheochromocytoma: new concepts and future trends. | journal=Kidney Int | year= 1991 | volume= 40 | issue= 3 | pages= 544-56 | pmid=1787652 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1787652  }}</ref>
**Extra-[[Adrenal gland|adrenal]] mass- most commonly in superior and inferior [[abdominal]] [[Paraaortic lymph node|paraaortic]] areas, the [[urinary bladder]], [[thorax]], [[head]], [[neck]] and [[pelvis]].<ref name="pmid1729490">{{cite journal| author=Whalen RK, Althausen AF, Daniels GH| title=Extra-adrenal pheochromocytoma. | journal=J Urol | year= 1992 | volume= 147 | issue= 1 | pages= 1-10 | pmid=1729490 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1729490  }} </ref> <ref name="pmid191248172">{{cite journal| author=Baid SK, Lai EW, Wesley RA, Ling A, Timmers HJ, Adams KT et al.| title=Brief communication: radiographic contrast infusion and catecholamine release in patients with pheochromocytoma. | journal=Ann Intern Med | year= 2009 | volume= 150 | issue= 1 | pages= 27-32 | pmid=19124817 | doi= | pmc=3490128 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19124817  }}</ref>
<gallery>
* In patients with the [[multiple endocrine neoplasia]] type 2 ([[Multiple endocrine neoplasia type 2|MEN2]]) syndrome, [[CT]] may miss the [[tumors]].<ref name="pmid17876522">{{cite journal| author=Bravo EL| title=Pheochromocytoma: new concepts and future trends. | journal=Kidney Int | year= 1991 | volume= 40 | issue= 3 | pages= 544-56 | pmid=1787652 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1787652  }}</ref>
Image:Pheochromocytoma.jpg|Pheochromocytoma. CT abdomen.
[[Image:Pheogif.gif|300px|left|frame|Pheochromocytoma on CT scan, source:]]
Image:Pheochromocytoma2.jpg|Pheochromocytoma. CT abdomen.
[[File:CT gif.gif|300px|left|thumb|Pheochromocytoma on CT scan, source:Case courtesy of Dr Roberto Schubert, Radiopaedia.org, rID: 16148]]
</gallery>
<br style="clear:left">
 
<gallery>
Image:
 
Pheo1.jpg
 
Image:
 
Pheo2.jpg
 
</gallery>


==References==
==References==

Latest revision as of 21:52, 28 July 2020

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Ahmad Al Maradni, M.D. [2] Mohammed Abdelwahed M.D[3]

Overview

Head, neck, chest, and abdominal CT scans may be helpful in the diagnosis of pheochromocytoma.

CT scan

Pheochromocytoma on CT scan, source:
Pheochromocytoma on CT scan, source:Case courtesy of Dr Roberto Schubert, Radiopaedia.org, rID: 16148


References

  1. Bravo EL (1991). "Pheochromocytoma: new concepts and future trends". Kidney Int. 40 (3): 544–56. PMID 1787652.
  2. Whalen RK, Althausen AF, Daniels GH (1992). "Extra-adrenal pheochromocytoma". J Urol. 147 (1): 1–10. PMID 1729490.
  3. Baid SK, Lai EW, Wesley RA, Ling A, Timmers HJ, Adams KT; et al. (2009). "Brief communication: radiographic contrast infusion and catecholamine release in patients with pheochromocytoma". Ann Intern Med. 150 (1): 27–32. PMC 3490128. PMID 19124817.
  4. Bravo EL (1991). "Pheochromocytoma: new concepts and future trends". Kidney Int. 40 (3): 544–56. PMID 1787652.