title: Pediatric renovascular hypertension in Thailand: CT angiographic findings.
abstract: BACKGROUND
  Renovascular disease is an uncommon but important cause of hypertension in children. When unrecognized and untreated, renovascular hypertension in children can have serious complications.
  
  
  OBJECTIVE
  To review the causes of renovascular hypertension and computed tomography angiographic (CTA) findings in children and adolescents.
  
  
  METHODS
  Twenty-eight CTAs from January 2004 to March 2008 of 23 children and adolescents with hypertension were reviewed for the causes and CTA findings.
  
  
  RESULTS
  Nine of the 23 children (39%) had abnormal renal arteries with or without abnormal abdominal aortas. Four of these children had Takayasu arteritis, one had moyamoya disease, and one had median arcuate ligament syndrome. One with chronic pyelonephritis had severe stenosis of the proximal right renal artery. The other two children had renal artery stenosis with a nonspecific cause. One child with a normal abdominal aorta and renal arteries had a right suprarenal mass. On pathological examination a ganglioneuroma was found.
  
  
  CONCLUSIONS
  CTA can help in diagnosis of renovascular hypertension in children and adolescents. Although CTA is not a screening modality, it is appropriate in some situations.
authors.affiliation: Department of Radiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand. pvisruta@gmail.com
authors.forename: Pannee
authors.initials: P
authors.lastname: Visrutaratna
authors.forename: Tanop
authors.initials: T
authors.lastname: Srisuwan
authors.forename: Chusak
authors.initials: C
authors.lastname: Sirivanichai
mesh_terms: D000293:Adolescent; D000792:Angiography / Q000379:methods*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006978:Hypertension, Renovascular / Q000000981:diagnostic imaging*; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D013785:Thailand; D014057:Tomography, X-Ray Computed / Q000379:methods*
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