Results 71 to 80 of about 9,418 (266)

An unusual and interesting case of phaeochromocytoma

open access: yesJournal of Clinical and Scientific Research, 2020
Phaeochromocytomas are catecholamine-secreting tumours that arise from chromaffin cells of the adrenal medulla. The common age of onset is between the third and fifth decades of life.
Sravanthi Guduru   +3 more
doaj   +1 more source

Microchip electrophoresis bioanalytical applications [PDF]

open access: yes, 2008
Microchip electrophoresis (MCE) is a novel analytical technique resulting from miniaturization of capillary electrophoresis (CE) to a planar microfabricated separation device.
Vlcková, Markéta
core   +1 more source

Modified Pisano Method for Estimating Urinary Metanephrines

open access: yesClinical Chemistry, 1973
Abstract The Pisano method [Clin. Chim. Acta 5, 406 (1960)] for estimating urinary metanephrine, used in the screening of hypertensive persons for pheochromocytoma, has been modified by replacing ion-exchange chromatography with differential solvent extraction.
R N, Gupta, D, Price, P M, Keane
openaire   +2 more sources

A Multi‐Institutional Retrospective Study of 21 Dogs Having Undergone Hypofractionated Radiotherapy for Adrenal Tumours (2017–2024)

open access: yesVeterinary and Comparative Oncology, EarlyView.
ABSTRACT Radiation therapy (RT) has emerged as a promising non‐surgical approach for treating canine adrenal tumours. This multi‐institutional, retrospective study describes clinical outcomes for 21 dogs having been prescribed a course of hypofractionated image‐guided intensity‐modulated RT (IMRT) entailing delivery of 25–35 Gy total in 5 fractions ...
Yen‐Hao Erik Lai   +4 more
wiley   +1 more source

Measurement of fractionated plasma metanephrines for exclusion of pheochromocytoma: Can specificity be improved by adjustment for age?

open access: yesBMC Endocrine Disorders, 2005
Background Biochemical testing for pheochromocytoma by measurement of fractionated plasma metanephrines is limited by false positive rates of up to 18% in people without known genetic predisposition to the disease.
Gafni Amiram   +4 more
doaj   +1 more source

A Biochemically “Silent” Aortocaval Paraganglioma in a 19‐Year‐Old Female Causing Intraoperative Hypertensive Crisis: A Rare Case Report

open access: yesClinical Case Reports, Volume 14, Issue 5, May 2026.
ABSTRACT Paragangliomas may appear biochemically silent, yet still behave as functional tumors with severe intraoperative consequences. Normal preoperative catecholamine screening does not exclude the risk of hypertensive crisis during surgery.
Abdul Basit   +5 more
wiley   +1 more source

A Controlled Increase in Dietary Phosphate Elevates BP in Healthy Human Subjects. [PDF]

open access: yes, 2018
Background Despite epidemiologic evidence for increased cardiovascular morbidity and mortality associated with both high dietary and serum phosphate in humans with normal renal function, no controlled phosphate intervention studies of systemic ...
Bestmann, Lukas   +4 more
core  

A comparison of substrate oxidation during prolonged exercise in men at terrestrial altitude and normobaric normoxia following the coingestion of 13C glucose and 13C fructose [PDF]

open access: yes, 2017
This study compared the effects of co-ingesting glucose and fructose on exogenous and endogenous substrate oxidation during prolonged exercise at altitude and sea level, in men.
Adopo   +50 more
core   +2 more sources

Who can safely discontinue lifelong follow‐up among patients with sporadic pheochromocytoma and paraganglioma?

open access: yesJournal of Internal Medicine, Volume 299, Issue 5, Page 615-627, May 2026.
Abstract Background Current guidelines recommend at least 10 years of follow‐up for all pheochromocytoma and paraganglioma (PPGL) patients and lifelong monitoring for high‐risk individuals. Nonetheless, data identifying patients who may not require routine lifelong follow‐up are scarce. Methods Among 999 patients with PPGL, 703 who were non‐metastatic,
Min Jeong Park   +15 more
wiley   +1 more source

Natural History and Management of Familial Paraganglioma Syndrome Type 1: Long-Term Data from a Large Family [PDF]

open access: yes, 2020
Head and neck paragangliomas are the most common clinical features of familial paraganglioma syndrome type 1 caused by succinate dehydrogenase complex subunit D (SDHD) mutation. The clinical management of this syndrome is still unclear.
Cantisani, Vito   +12 more
core   +1 more source

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