RATIONALE AND OBJECTIVES Decision support systems have the capacity to improve diagnostic performance and reduce physician errors. The purpose of this study was to evaluate the use of classification and regression trees (CART) with bootstrap aggregation as a decision support system in the baseline plus furosemide (F + 20) diuresis renography protocol to determine when obstruction can be exclude...

Renal scintigraphy is performed frequently in infants and children. Renal cortical scintigraphy using 99mTc dimercaptosuccinic acid is predominantly performed to assess the renal sequelae of urinary tract infection. It is most commonly performed for the evaluation of chronic renal scars, although it is also undertaken in the assessment of acute pyelonephritis. Diuresis renography using 99mTc me...

HE feasibility of surgical relief of hypertensioni associated with renal arterv stenosis has been clearly established.'-` In the -preoperative diagnosis of seconidary hyperten sioni of this type, funietioni studies anid arteriogoraphy have been the oinlv available procedures. However, 7renal arteriography and studies of separated renal functions after eystoscopic examination and bilateral urete...

OBJECTIVE The objective of this work was to determine the minimum administered activity of (99m)Tc-mercaptoacetyltriglycine (MAG3) needed both to estimate effective renal plasma flow (ERPF) with adequate precision and to obtain good image quality. METHODS Three groups of 10 patients each were injected with 45, 71, or 132 MBq of MAG3. Renograms and perfusion and clearance images were obtained....

background: acute drug poisoning remains an important public health problem and represents the second most frequent accidental disease in children. in this study, we identified epidemiological and clinical features of children admitted for acute drug poisoning and related factors associated with suicidal poisoning. methods: we conducted a retrospective study in the department of pediatrics, the...

amyloidosis of the upper aerodigestive tract is rare in the pediatric age group. we present two cases of pediatric laryngeal amyloidosis. both of them had hoarseness as the presenting symptom. diagnostic evaluation included flexible nasopharyngoscopy, rigid laryngoscopy, biopsy, computed tomography scan and laboratory tests. the results of congo red staining of the specimen were characteristic ...

background: selecting the best medication for upper gi endoscopy in children is a challenging issue. the goal of this study was to compare the effects of oral and intravenous midazolam for upper gastrointestinal endoscopy (ugie) on children. methods: in this randomized clinical trial study conducted in amirkola children's hospital, 110 children were randomly assigned to oral or intravenous...

This case report involves a 45-y-old woman after cadaveric renal transplantation. The initial renal scan on the first postsurgical day showed normal findings. Subsequently, on the sixth postsurgical day, the patient had decreased urine output; 99mTc-diethylenetriaminepentaacetic acid renal scanning was performed again and did not show definite scintigraphic evidence of a urine leak. The patient...

background nephrolithiasis in children is an important cause of morbidity worldwide. the current retrospective study aims at identifying epidemiological characteristics and risk factors of nephrolithiasis among children under 18 years old attending at nephrology clinic of amir kabir hospital of arak, iran, in 2014. methods the current case-control study was conducted among 166 children in 2 equ...