ganglioneuroma/dopamine

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Dopamine-secreting adrenal ganglioneuroma in a child: beware of intraoperative rebound hypertension.

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Ganglioneuromas are benign tumors originating from the neural crest and are composed of mature ganglion cells. We describe a 15-year-old normotensive adolescent girl with a 2-month history of left flank pain. Imaging revealed a left suprarenal mass with elevated urinary dopamine level. During

Case report of severe psychiatric sequelae in a 16-year-old female following resection of a purely dopamine-secreting ganglioneuroma.

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Ganglioneuromas (GN) are rare, benign tumors derived from neural crest cells. They are in the same family of neuroblastic tumors that includes the intermediate ganglioneuroblastoma (GNB) and the malignant neuroblastoma (NB), each of which carries a different prognosis based on tumor

Dopamine-secreting giant adrenal ganglioneuroma: clinical and diffusion-weighted magnetic resonance imaging findings.

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We report a case of a dopamine-secreting giant primary adrenal ganglioneuroma (GN) in a 29-year-old male patient. Although the patient was clinically silent, the 24-hour urine levels of dopamine, normetanephrine, homovanillic acid and vanillyl mandelic acid were elevated. Abdominal ultrasonography

Dopamine-secreting adrenal ganglioneuroma presenting with paroxysmal hypertension attacks.

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Adrenal ganglioneuromas are rare tumors originating from the neural crest tissue of the sympathetic nervous system. The clinical presentation for most patients is asymptomatic, and most of these tumors are hormone silent. We report a case of dopamine-secreting adrenal ganglioneuroma associated with

Urinary excretion of methylated catecholamine metabolites in a child with neuroblastoma maturing into ganglioneuroma.

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Neuroblastomas are malignant tumors derived embryonically from the neural crest. Biological diagnosis relies on assay of urinary excretion of homovanillic acid (HVA), vanillylmandelic acid (VMA), and dopamine (DA). Spontaneous regression of these neoplasms has been reported by numerous

Mixed Pituitary Gangliocytoma and Prolactinoma Resistant to the Cabergoline Treatment.

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BACKGROUND A gangliocytoma rarely coexists with a pituitary adenoma in a sellar lesion. Herein, we describe our experience in treating a mixed gangliocytoma and prolactinoma of the pituitary gland. METHODS A 16-year-old male presented with severe headache and vomiting. Magnetic resonance imaging

Endocrinologically active retroperitoneal ganglioneuroma with positive iodine-131-metaiodobenzylguanidine scintigraphy.

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BACKGROUND A case of retroperitoneal ganglioneuroma incidentally found by ultrasonography in a 56-year old woman is presented. RESULTS Computed tomography revealed a solid round tumor 6 cm in diameter on the upper pole of the right kidney. Iodine-131-metaiodobenzylguanidine weakly accumulated in the

[Adrenal ganglioneuroma: report of a case].

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A 52-year-old man was hospitalized for a right adrenal tumor which had been incidentally found by abdominal CT scan for examination of colon cancer. Laboratory and endocrine findings were within the normal limits except for increased urinary concentrations of noradrenaline and dopamine. Adrenal

[Retroperitoneal ganglioneuroma: a case report].

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We experienced a case of ganglioneuroma. A 37-year-old man was admitted to our hospital for right flank pain. Computed tomography (CT) showed a low density mass near the upper pole of the right kidney. Selective renal arteriography did not demonstrate any tumor vessels in the right kidney. An

Functionally active ganglioneuroma with increased plasma and urinary catecholamines and positive iodine 131-meta-iodobenzylguanidine scintigraphy.

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Ganglioneuromas are usually considered not to be functionally active. Studies of their catecholamine excretory pattern and of their imaging by means of the adrenergic tracing agent 131-I-MIBG have been therefore sparse. We report on a case of secretory ganglioneuroma, as demonstrated by the

Ganglioneuromas and renal anomalies are induced by activated RET(MEN2B) in transgenic mice.

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Multiple endocrine neoplasia type 2B (MEN2B) is an autosomal dominant syndrome characterized by the development of medullary thyroid carcinoma, pheochromocytomas, musculoskeletal anomalies and mucosal ganglioneuromas. MEN2B is caused by a specific mutation (Met918-->Thr) in the RET receptor tyrosine

Urinary dopamine/noradrenaline and dopamine/vanillylmandelic acid ratios as a reflection of different biology of adrenergic clones in children's neuroblastic tumors.

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The results of calculations of urinary dopamine/noradrenaline (DA/NAd) and dopamine/vanillylmandelic acid (DA/VMA) ratios in 54 untreated children with neuroblastic tumors are reported. Thirteen patients were in the prognostically favorable group (stages I, II, and IV-S and ganglioneuroma [GN]), and

[Ganglioneuroma arising in the adrenal medulla: a case report].

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We report a case of adrenal ganglioneuroma. A 33-year-old woman visited our clinic with a complaint of epigastralgia. Abdominal computed tomography (CT) and magnetic resonance imaging (MRI) revealed a round mass, 4 cm in diameter, in the left suprarenal fossa. Laboratory data including

Large adrenal ganglioneuroma.

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We herein report the case of a 41-year-old male patient with an incidentally identified large adrenal ganglioneuroma (GN). His endocrine examinations were normal except for one episode of elevated urinary dopamine and noradrenaline levels. Abdominal computed tomography (CT) and magnetic resonance

Noradrenaline storage function of species-specific protein bodies, markers of monoamine neurons in human locus coeruleus demonstrated by dopamine-beta-hydroxylase immunogold localization.

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Our histochemical and ultrastructural studies have identified, in human catecholamine locus coeruleus (LC) neurons, abundant and large spherical protein bodies (PB), containing histone-like, arginine-rich proteins, which originate as dense bodies in mitochondria. This species-specific phenotype in

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