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2.
Urology ; 45(4): 667-70, 1995 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-7716850

RESUMO

OBJECTIVES: To assess the usefulness of color Doppler ultrasound in evaluating the newborn with suspected antenatal testis torsion. METHODS: Nine newborns with 10 antenatally torsed testes were examined using color Doppler and gray-scale ultrasound. RESULTS: Each examination revealed lack of intratesticular blood flow on the affected side and normal flow within the contralateral testis. In addition, gray-scale sonographic architecture of the affected testes appeared to reflect the duration of in utero torsion. CONCLUSIONS: Color Doppler sonography accurately assesses intratesticular blood flow in newborns with antenatal testis torsion and offers interesting details.


Assuntos
Torção do Cordão Espermático/congênito , Torção do Cordão Espermático/diagnóstico por imagem , Ultrassonografia Doppler em Cores , Humanos , Recém-Nascido , Masculino
3.
Radiology ; 181(1): 163-7, 1991 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-1887027

RESUMO

Fifty-five children (34 boys, 21 girls; age range, 1 day to 18 years) with increased echogenicity of the renal medullary pyramids at ultrasound evaluation were identified. The clinical diagnoses associated with hyperechoic medullary pyramids could be separated based on the presence or absence of hypercalciuria. Patients with drug-induced hypercalciuria included 10 infants treated with furosemide, two treated with long-term steroid therapy, and one treated with excessive amounts of vitamin D. Other clinical conditions associated with hypercalciuria included renal tubular acidosis (n = 10), Bartter syndrome (n = 5), hyperparathyroidism (n = 3), Williams syndrome (n = 2) and medullary sponge kidney (n = 2). Ten children with transient renal insufficiency and three with sickle cell disease had normal urine calcium concentration. Isolated disease entities accounted for the remainder of cases. A specific diagnosis can usually be made in a patient with hyperechoic renal medullary pyramids by using a systematic clinical approach that includes evaluation of patient age, serum and urine calcium concentration, and renal function.


Assuntos
Cálcio/urina , Nefropatias/diagnóstico por imagem , Medula Renal/diagnóstico por imagem , Acidose Tubular Renal/diagnóstico por imagem , Injúria Renal Aguda/diagnóstico por imagem , Adolescente , Síndrome de Bartter/diagnóstico por imagem , Criança , Pré-Escolar , Feminino , Furosemida/efeitos adversos , Humanos , Lactente , Recém-Nascido , Nefropatias/urina , Masculino , Nefrocalcinose/induzido quimicamente , Nefrocalcinose/diagnóstico por imagem , Ultrassonografia
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