Pheochromocytoma secondary prevention: Difference between revisions

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==Overview==
==Overview==
Preoperative treatment of pheochromocytoma is the best way to reduce complications and postoperative follow up is the optimal method to reduce recurrence.
Effective measures for the secondary prevention of [[pheochromocytoma]] include [[biochemical]] [[Screening (medicine)|screening]] for family members of [[MEN2]] patients is mandatory and [[Genetic]] testing in first-degree relatives of a patient with proven [[germline]] ''[[RET proto-oncogene|RET]]'' [[mutation]].


==Secondary Prevention==
==Secondary Prevention==
* Recurrence is lower than 10%.<ref name="pmid12886866">{{cite journal| author=Hu K, Persky MS| title=Multidisciplinary management of paragangliomas of the head and neck, Part 1. | journal=Oncology (Williston Park) | year= 2003 | volume= 17 | issue= 7 | pages= 983-93 | pmid=12886866 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12886866 }}</ref>
===Biochemical screening===
* According to the Endocrine Society, [[biochemical]] [[Screening (medicine)|screening]] for pheochromocytoma in recommended among patients with:
** [[Von Hippel-Lindau tumor suppressor|VHL syndrome]]- started at 5 years of age with [[biochemical]] surveillance every year for the rest of life.
** Signs or symptoms suggesting catecholamine excess, especially if the symptoms are paroxysmal.
** Unexpected blood pressure changes to drugs, surgery, or anesthesia
** Unexplained blood pressure variability
** Incidentaloma, even if the patient is normotensive
** Blood pressure that is difficult to control
** History of previous treatment for pheochromocytoma or paraganglioma
** Hereditary risk of pheochromocytoma or paraganglioma in family members
** Syndromic features relating to a pheochromocytoma-related hereditary syndromes <ref name="pmid24893135">{{cite journal| author=Lenders JW, Duh QY, Eisenhofer G, Gimenez-Roqueplo AP, Grebe SK, Murad MH | display-authors=etal| title=Pheochromocytoma and paraganglioma: an endocrine society clinical practice guideline. | journal=J Clin Endocrinol Metab | year= 2014 | volume= 99 | issue= 6 | pages= 1915-42 | pmid=24893135 | doi=10.1210/jc.2014-1498 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24893135 }} </ref>
*[[Plasma]] fractionated [[metanephrine]] level is the best test. If elevated, 24-hour [[urinary]] fractionated [[Metanephrine|metanephrines]] should be done.


* Preoperative treatment of pheochromocytoma is the best way to reduce complications and improve [[morbidity]] by controlling hypertension during surgery and [[hypotension]] after it.
===Imaging screening===
*All patients with pheochromocytoma need postoperative follow up by the following methods:<ref name="pmid15644401">{{cite journal| author=Amar L, Servais A, Gimenez-Roqueplo AP, Zinzindohoue F, Chatellier G, Plouin PF| title=Year of diagnosis, features at presentation, and risk of recurrence in patients with pheochromocytoma or secreting paraganglioma. | journal=J Clin Endocrinol Metab | year= 2005 | volume= 90 | issue= 4 | pages= 2110-6 | pmid=15644401 | doi=10.1210/jc.2004-1398 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15644401 }}</ref>
[[Anatomic]] imaging should be used when [[norepinephrine]] levels are elevated more than two times upper normal limits.<ref name="pmid26451910">{{cite journal| author=Aufforth RD, Ramakant P, Sadowski SM, Mehta A, Trebska-McGowan K, Nilubol N et al.| title=Pheochromocytoma Screening Initiation and Frequency in von Hippel-Lindau Syndrome. | journal=J Clin Endocrinol Metab | year= 2015 | volume= 100 | issue= 12 | pages= 4498-504 | pmid=26451910 | doi=10.1210/jc.2015-3045 | pmc=4667160 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26451910 }}</ref>
**Patients should undergo baseline postoperative [[Biochemical assays|biochemical]] testing and annual lifelong tests.<ref name="pmid15080378">{{cite journal| author=Omura M, Saito J, Yamaguchi K, Kakuta Y, Nishikawa T| title=Prospective study on the prevalence of secondary hypertension among hypertensive patients visiting a general outpatient clinic in Japan. | journal=Hypertens Res | year= 2004 | volume= 27 | issue= 3 | pages= 193-202 | pmid=15080378 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15080378  }}</ref>
* For high-risk children, [[Screening (medicine)|screening]] for pheochromocytoma should begin by 11 years of age.
**The [[Noradrenergic|noncatecholamine]]-producing [[tumor]] should undergo annual imaging with [[Computed tomography|CT]] or [[MRI]] to monitor for recurrence.<ref name="pmid150803782">{{cite journal| author=Omura M, Saito J, Yamaguchi K, Kakuta Y, Nishikawa T| title=Prospective study on the prevalence of secondary hypertension among hypertensive patients visiting a general outpatient clinic in Japan. | journal=Hypertens Res | year= 2004 | volume= 27 | issue= 3 | pages= 193-202 | pmid=15080378 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15080378  }}</ref>
* For moderate-risk patients, [[Screening (medicine)|screening]] should be started by 16 years of age.
*Genetic testing should be performed in:<sup>[[Pheochromocytoma screening#cite note-pmid24893135-2|[2]]]</sup>
* If positive, [[Adrenal gland|adrenal]] imaging ([[Computed tomography|CT]]) or ([[Magnetic resonance imaging|MRI]]) should be performed.
**Patients with a [[family history]] of pheochromocytoma
**[[Bilateral]] or multifocal lesions
**[[Tumors]] or [[malignant]] or extra-adrenal pheochromocytoma
**Young patients who are aged 50 years or under


==References==
=== Genetic screening ===
* Genetic testing should be performed in:<ref name="pmid24893135">{{cite journal| author=Lenders JW, Duh QY, Eisenhofer G, Gimenez-Roqueplo AP, Grebe SK, Murad MH et al.| title=Pheochromocytoma and paraganglioma: an endocrine society clinical practice guideline. | journal=J Clin Endocrinol Metab | year= 2014 | volume= 99 | issue= 6 | pages= 1915-42 | pmid=24893135 | doi=10.1210/jc.2014-1498 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24893135  }}</ref>
** Patients with a [[family history]] of pheochromocytoma
**[[Tumors]] or [[malignant]] or extra-[[Adrenal gland|adrenal]] pheochromocytoma
** Families whose infants or young children have [[Hirschsprung's disease|Hirschsprung disease]]
**[[First degree relative|First-degree relatives]] of a patient with proven [[Germline mutation|germline]] ''[[RET proto-oncogene|RET]]'' [[mutation]]
** Patients with [[cutaneous]] lichen [[amyloidosis]]
** Patients with known ''[[RET proto-oncogene|RET]]'' mutations.
** Parents whose young children have [[Multiple endocrine neoplasia type 2|MEN 2A/2B]]
 
== References ==
{{reflist|2}}
{{reflist|2}}

Latest revision as of 22:27, 28 July 2020

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

Overview

Effective measures for the secondary prevention of pheochromocytoma include biochemical screening for family members of MEN2 patients is mandatory and Genetic testing in first-degree relatives of a patient with proven germline RET mutation.

Secondary Prevention

Biochemical screening

  • According to the Endocrine Society, biochemical screening for pheochromocytoma in recommended among patients with:
    • VHL syndrome- started at 5 years of age with biochemical surveillance every year for the rest of life.
    • Signs or symptoms suggesting catecholamine excess, especially if the symptoms are paroxysmal.
    • Unexpected blood pressure changes to drugs, surgery, or anesthesia
    • Unexplained blood pressure variability
    • Incidentaloma, even if the patient is normotensive
    • Blood pressure that is difficult to control
    • History of previous treatment for pheochromocytoma or paraganglioma
    • Hereditary risk of pheochromocytoma or paraganglioma in family members
    • Syndromic features relating to a pheochromocytoma-related hereditary syndromes [1]
  • Plasma fractionated metanephrine level is the best test. If elevated, 24-hour urinary fractionated metanephrines should be done.

Imaging screening

Anatomic imaging should be used when norepinephrine levels are elevated more than two times upper normal limits.[2]

  • For high-risk children, screening for pheochromocytoma should begin by 11 years of age.
  • For moderate-risk patients, screening should be started by 16 years of age.
  • If positive, adrenal imaging (CT) or (MRI) should be performed.

Genetic screening

References

  1. 1.0 1.1 Lenders JW, Duh QY, Eisenhofer G, Gimenez-Roqueplo AP, Grebe SK, Murad MH; et al. (2014). "Pheochromocytoma and paraganglioma: an endocrine society clinical practice guideline". J Clin Endocrinol Metab. 99 (6): 1915–42. doi:10.1210/jc.2014-1498. PMID 24893135.
  2. Aufforth RD, Ramakant P, Sadowski SM, Mehta A, Trebska-McGowan K, Nilubol N; et al. (2015). "Pheochromocytoma Screening Initiation and Frequency in von Hippel-Lindau Syndrome". J Clin Endocrinol Metab. 100 (12): 4498–504. doi:10.1210/jc.2015-3045. PMC 4667160. PMID 26451910.