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pheochromocitoma

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https://www.readbyqxmd.com/read/20858971/studies-in-animal-models-of-the-effects-of-anesthetics-on-behavior-biochemistry-and-neuronal-cell-death
#1
REVIEW
María Ángeles Mena, Juan Perucho, Isabel Rubio, Justo Garcia de Yébenes
Recent clinical studies have suggested that there is an increased risk of Alzheimer's disease (AD) in patients undergoing surgical interventions, but it is unknown whether this effect is related to anesthesia, cardiovascular complications of surgery, or associated conditions such as hypothermia. In addition, many patients, especially the elderly, present persistent post-operative cognitive deterioration after anesthesia, without clear complications during surgery. Experimental studies in animals may be helpful to dissect the pathogenic role of the different factors involved in surgery...
2010: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/16363772/initial-experience-with-laparoscopic-adrenal-surgery-in-children-is-endoscopic-surgery-recommended-and-safe-for-the-treatment-of-adrenocortical-neoplasms
#2
REVIEW
E Pampaloni, A Valeri, R Mattei, L Presenti, N Centonze, A S Neri, R Salti, B Noccioli, A Messineo
Through a review of 83 cases reported in literature, including our experience of two successful right laparoscopic adrenalectomies performed in a 3-year-old girl for androgen-secreting adenoma and in a 9-year-old male for pheochromocitoma, we have anaIyzed the indications, the techniques and the results of laparoscopic or retroperitoneoscopic adrenalectomy in children. Nineteen pheochromocytomas, 18 neuroblastomas, 15 adenomas, 12 ganglioneuromas, 9 hyperplasias, 2 carcinomas, 1 teratoma and 1 adrenogenital syndrome have been treated with excellent results (follow-up 1 month to 4 years) with no evidence of recurrence...
November 2004: La Pediatria Medica e Chirurgica: Medical and Surgical Pediatrics
https://www.readbyqxmd.com/read/12894286/malignant-paraganglioma-with-vertebral-metastasis-case-report
#3
Bruno Lázaro, Mônica Klemz, Marlo Steiner Flores, José Alberto Landeiro
A paraganglioma is a rare tumor, composed of chromaffin cells, groups of cells associated to the autonomous system. When the tumor occurs in the adrenal gland, it is called pheochromocitoma. The malignant paraganglioma is a very rare presentation; it is diagnosed by local recurrence after total resection of the primary mass, or findings of distant metastases. We present a case report of a 29-year-old woman with cervico-brachial pain. In 1995 she underwent a carotid body tumor resection. Magnetic resonance imaging (MRI), plain X-rays and computerized tomography scan revealed multiple lesions in C5, T5 and T12...
June 2003: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/11762359/ectopic-secretion-of-growth-hormone-releasing-hormone-ghrh-in-neuroendocrine-tumors-relevant-clinical-aspects
#4
REVIEW
M Doga, S Bonadonna, A Burattin, A Giustina
The aim of this article is to briefly review the physiology of growth hormone-releasing hormone (GHRH) and the diagnosis and treatment of GHRH-mediated acromegaly. Moreover, the role of GHRH and its antagonists in the pathogenesis and treatment of cancer will be reviewed. Hypothalamic GHRH is secreted into the portal system, binds to specific surface receptors of the somatotroph cell and elicits intracellular signals that modulate pituitary GH synthesis and/or secretion. GHRH-producing neurons have been well characterized in the hypothalamus by immunostaining techniques...
2001: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/9761246/rapid-quantitative-nonisotopic-assay-for-telomerase-activity-in-human-tumors
#5
S Gelmini, A Caldini, L Becherini, S Capaccioli, M Pazzagli, C Orlando
Telomerase is a ribonucleoprotein enzyme that adds TTAGGG repeats onto human telomeres, preventing their shortening. The activation of this enzyme is an important step in cell immortalization and carcinogenesis and seems to represent a new and promising marker in cancer diagnosis and management. Telomerase activity is usually detected in cellular protein extract by the telomeric repeat amplification protocol (TRAP) assay, which can provide only a qualitative (presence/absence) evaluation. Here we present a modification of this method that can provide quantitative information without requiring time-consuming post-PCR procedures such as gel electrophoresis with radioactive materials and autoradiography...
October 1998: Clinical Chemistry
https://www.readbyqxmd.com/read/7646003/retroperitoneoscopy
#6
A Mandressi, C Buizza, D Antonelli, S Chisena, G Servadio
From October 1992 to June 1994, 12 nephrectomies (all for benign diseases), one nephropexy and 7 adrenalectomies (one pheochromocitoma, three adenomas, one cyst) were performed. In all the cases the retroperitoneal working space was created with direct CO2 insufflation (without balloon) with the patient in prone position. Four 10-12 mm ports were always inserted in the lumbar area. Eighteen procedures were successful (90%), 2 failed (one nephrectomy and one adrenalectomy) and underwent open surgery. Twelve procedures were carried out with the patients in prone position, six (one nephropexy and 5 nephrectomies) were performed with the patients in lateral de cubitus...
1995: Annales D'urologie
https://www.readbyqxmd.com/read/119503/-arterial-hypertension-from-secretion-of-catecholamines-in-an-infant-with-a-ganglioneuroblastoma
#7
G Lenoir, M Broyer, E Comoy, C Goffinet
The case of a 16 month old infant presenting with an abdominal tumour and systemic hypertension is reported. The profile of urinary plasma and tumour catecholamine levels corresponded with that of a pheochromocitoma. The combination of alphablockers and betablockers was the only effective treatment of the peaks of preoperative hypetension. The tumour was completely excised and was found to be a ganglioneuroblastoma. No recurrence has been observed after 3 years post-operative follow-up. The incidence and mechanisms of hypertension in neuroblastoma are reviewed...
November 1979: Archives des Maladies du Coeur et des Vaisseaux
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