Recent Blog Posts

View Post: Arch Surg -- Abstract: Adrenal Incidentaloma, Borderline ...
17 Sep 2007 by Lee, JA, Zarnegar, R., Shen, WT, Kebebew,...  
Results Of 42 patients, 14 (33%) had a pheochromocytoma (11 of whom had clear-cut elevations in urine or plasma metanephrine levels defined as greater than 2 times the upper limit of normal) and 28 did not. Ten of the 42 patients (24%) ...
View Blog: Archives of Surgery current issue - http://archsurg.ama-assn.org/

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View Post: World Journal of Emergency Surgery
Full text
Management of ... ...
View Blog: In our hospital the dosage of free plasma metanephrines it's not available and the access to the Magnetic resonance or 131I-MIBG scintigraphy remains limited. The intra-operative incidental presentation of the pheochromocytoma

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View Post: Addison's Help: Diagnosing Pheochromocytoma (Adrenal Tumor)
14 Sep 2009 by MaryO  
Clonidine suppression test (A drug called Clonidine is administered orally, and plasma catecholamine or fractionated metanephrines are measured before and three hours after the dose). Radiologic tests: ...
View Blog: Addison's Help - http://addisonshelp.blogspot.com/

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View Post: Pheo tests in the real world
1 Oct 2009 by Dr. Pheo  
In most cases, it is the normetanephrine that is false positive rather than metanephrine. I am sure you know what I am talking about if you have ever read a plasma metanephrines test report. The metanephrines test gives two values, ...
View Blog: Dr. Pheo's blog - http://drpheo.blogspot.com/

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View Post: Is Supine Rest Necessary before Blood Sampling for Plasma ...
26 Jan 2007 by Lenders, JWM, Willemsen, JJ, Eisenhofer,...  
Results: Upper reference limits of plasma free metanephrines were higher in samples obtained from seated patients without preceding rest than from supine patients with preceding rest. Application of these higher upper reference limits ...
View Blog: Papers in Press - http://www.clinchem.org/

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View Post: plasma free metanephrine test
20 May 2009 by blogmin  
the plasma free metanephrines test measures the amount of metanephrine and normetanephrine in the blood. these substances are metabolites of epinephrine and norepinephrine. epinephrine and norepinephrine are catecholamine hormones that ...
View Blog: e Health Screenings Blog - http://blog.ehealthscreenings.com/

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View Post: dietary influences on plasma and urinary metanephrines ...
5 Jul 2009 by admin  
context: measurements of the 3-o-methylated metabolites of catecholamines (metanephrines) in plasma or urine are recommended for diagnosis of pheochromocytoma. it is unclear whether these tests are susceptible to dietary influences. ...
View Blog: The Cerebral Palsy Advice Clinic - http://www.theadviceclinic.org/

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View Post: Endocrine Journal Club: 18F-DOPA PET provides superior imaging for ...
4 Nov 2009 by MikeL  
Metanephrines and 3-methoxytyramine in plasma and urine and uptake of 18F-DOPA with PET were measured to determine the whole-body metabolic burden and correlated with biochemical tumor activity. The gold standard was a composite ...
View Blog: Endocrine Journal Club - http://endojournalclub.blogspot.com/

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View Post: adrenal incidentaloma, borderline elevations of urine or plasma ...
20 Sep 2007
thirty percent of patients with adrenal incidentaloma and borderline-elevated urine or plasma metanephrine levels had a pheochromocytoma. clinical factors cannot distinguish between those with and without pheochromocytoma. ...
View Blog: General Surgery News - http://www.mdlinx.com/PALinx/news.cfm?subspec_id=568

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