Abstract Library

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#4567 Malignant pheochromocytoma with late distant metastases and secondary hypercalcaemia

Introduction: Pheochromocytoma is a rare neuroendocrine tumour of the adrenal medulla. Malignant variants occur with a very low frequency and can be diagnosed only after the spread of distant metastasis.

Conference:

Presenting Author:

Authors: Kirova I, Vandeva S, Markova M, Elenkova A, Robeva R,

Keywords: neuroendocrine, malignant pheochromocytoma, metastasis, hypercalcaemia,

#4124 Evaluating a possible association between promoter methylation level of genes encoding catecholamine metabolizing enzymes and metanephrine secretion in pheochromocytoma and paraganglioma

Introduction: Paragangliomas (PPGLs) are rare neuroendocrine tumors that may secrete catecholamines and their metabolites (metanephrines [MN], normetanephrine [NMN]). Secretion patterns differ by adrenal/extra-adrenal origin and genetic alteration. Catecholamines synthesis is carried by phenylalanine hydroxylase (PAH), tyrosine hydroxylase (TH), aromaticL-aminoacid decarboxylase (AADC), dopamine β-hydroxylase (DBH) and phenylethanolamine N-methyltransferase (PNMT). However, their regulation in PPGL is not entirely understood.

Conference:

Presenting Author: Tirosh A

Authors: Kaplinsky A, Halperin R, Shlomai G, Tirosh A,

Keywords: ppgl, methylation, catecholamine, pseudohypokia, metanephrine, kinase signaling, pheochromocytoma, paraganglioima,

#2230 Does Somatostatin Receptor (SSR) Positive Tumor Volume Determined on Ga68 DOTANOC PET/CT in Patients with Paraganglioma (PGL)/Pheochromocytoma(PCC) Correlate with Biomarkers? An Explorative Study

Introduction: SSR PET/CT is used in workup of pts with PCC/ PGL. Correlation of tumour burden on PET & biomarkers 24 hr Urine Metanephrines (UMET), normetanephrine (UNMET), UMET:creatinine ratio (MET:Crea),UNMET:creatinine (UNMET:crea) & Chromogranin A (CGA) has not been done.

Conference: 15th Annual ENETSConcerence (2018)

Presenting Author: Steyn R

Authors: Steyn R, Prasad V,

Keywords: 68Ga DOTANOC PET CT, PGL, PCC,

#1414 Non-functioning Adrenal Composite Pheochromocytoma-Ganglioneuroma Simultaneous with Subclinical Cushing's Syndrome Due to Contralateral Adrenal Hyperplasia - An Unusual Presentation

Introduction: “Composite” pheochromocytoma is a rare tumor, consisting of pheochromocytoma and neuroblastic tumors. The definite diagnosis is histological. Subclinical Cushing's syndrome refers to autonomous glucocorticoid production without specific signs and symptoms of Cushing's syndrome.

Conference: 13th Annual ENETSConcerence (2016)

Presenting Author: Kiraly A

Authors: Kiraly A, Muntean V, Domsa I, Ghervan C,

Keywords: adrenal, composite, pheochromocytoma, ganglioneuroma, hypercorticism.,

#925 Negative Urinary Fractionated Metanephrines and Elevated Urinary Vanillylmandelic Acid in a Patient with a Sympathetic Paravesical Paraganglioma

Introduction: Paragangliomas have hereditary and sporadic presentations.

Conference: 11th Annual ENETSConcerence (2014)

Presenting Author:

Authors: Wandurraga E, Marín L,

Keywords: paraganglioma, pheochromocytoma, metanephrines, vanillylmandelic acid,