Pheochromocytoma CT: Difference between revisions

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* 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>
* 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>
* Familial pheochromocytoma – In patients with the [[multiple endocrine neoplasia]] type 2 (MEN2) syndrome, computing imaging may miss about one-quarter of the tumors [23]. In a selected group of patients with a 40 percent incidence of pheochromocytoma, the respective positive and negative predictive values of CT were 69 and 98 percent [6].
* 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>
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Image:Pheochromocytoma.jpg|Pheochromocytoma. CT abdomen.
Image:Pheochromocytoma.jpg|Pheochromocytoma. CT abdomen.

Revision as of 17:30, 10 July 2017

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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]

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Overview

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

CT

Computed tomography: Radiological evaluation should follow lab tests to locate site of the tumour.[1]

  • Most common extraadrenal locations are superior and inferior abdominal paraaortic areas,the urinary bladder,thorax,head,neck and pelvis.[2]
  • In sporadic pheochromocytoma, CT and MRI are good choices.Choosing depends on availability and cost.[3]
  • Familial pheochromocytoma – In patients with the multiple endocrine neoplasia type 2 (MEN2) syndrome, CT may miss the tumors.[4]

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.


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