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Phéochromocytome et paragangliome: rôle du scanner multi-barrette (Burkina Faso)

Adjirata Koama,Bénilde Marie Ange Tiemtore Kambou, Nina Astrid N’de Ouedraogo,Pakisba Ali Ouédraogo, Laure Clarisse Yameogo, Claire Kiswendsida Nitiema,O Diallo,Rabiou Cissé

Science et Technique, Sciences de la Santé(2019)

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Abstract
Le pheochromocytome est une tumeur endocrine rare secretant des catecholamines, responsables de complications cardiovasculaires redoutables. L’imagerie notamment le scanner joue un role important dans sa prise en charge [1,2]. Il s’est agi de 4 cas colliges en 12 ans. Tous les patients ont beneficie d’un scanner abdomino-pelvien avec injection intraveineuse de produit de contraste iode (PDCI). Le diagnostic etait confirme par l’histologie. Il s’agissait de 2 femmes et de 2 hommes d’un âge moyen de 42 ans. Les signes cliniques etaient l’hypertension arterielle (4 cas) et les douleurs abdominales (3 cas). Le dosage des metanephrines a ete realise dans 1 cas. Le scanner montrait une masse surrenalienne dans 3 cas dont un cas de bilateralite, une localisation extra surrenalienne dans 1 cas, latero-aortique gauche. Dans tous les cas, la masse etait bien limitee heterogene a centre necrotique de taille comprise entre 4 et 9 cm. Le scanner est l’imagerie de choix dans notre contexte. Il precise le nombre, le siege et les rapports de la tumeur. Il fait habituellement suite au diagnostic clinico-biologique.Mots-cles: Pheochromocytome, paragangliomes, scanner abdominalEnglish Title: Pheochromocytoma and paraganglioma: role of multi-slice CT (Burkina Faso)English AbstractPheochromocytoma is a rare endocrine tumor secreting catecholamines, responsible for formidable cardiovascular complications. Imaging, in particular CT, plays an important role in its management 1,2]. These were 4 cases in 12 years. All patients underwent abdominal-pelvic CT with inject of intravenous iodinated contrast. The diagnosis was confirmed by histology. There were 2 women and 2 men with an average age of 42 years. The clinical signs were arterial hypertension (4 cases) and abdominal pain (3 cases). The metanephrine assay was performed in 1 case. The CT scan showed an adrenal mass in 3 cases, one case of bilaterality, an extra adrenal localization in 1 case, left lateral aortic. In all cases, the mass was well limited heterogeneous necrotic center size between 4 and 9 cm. CT is the imaging of choice in our context. It specifies the number, the seat and the reports of the tumor. It usually follows the clinical-biological diagnosis.Keywords: Pheochromocytoma, paragangliomas, abdominal CT scan
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Key words
burkina faso,et paragangliome,multi-barrette
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