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Inicio Revista Española de Medicina Nuclear e Imagen Molecular (English Edition) Follow-up 99mTc EC renal dynamic scintigraphy and DMSA-III SPECT/CT in unmasking...
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Vol. 34. Issue 6.
Pages 387-389 (November - December 2015)
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Vol. 34. Issue 6.
Pages 387-389 (November - December 2015)
Clinical note
Follow-up 99mTc EC renal dynamic scintigraphy and DMSA-III SPECT/CT in unmasking a masqueraded case of Horseshoe kidney
Seguimiento mediante gammagrafía renal dinámica con 99mTc-EC y SPECT/TC con DMSA III para desenmascarar un riñón en herradura
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T.K. Jaina, R.K. Bashera,
Corresponding author
drrajender2010@gmail.com

Corresponding author.
, B.R. Mittala, A. Bhatiab, K.L.N. Raoc
a Department of Nuclear Medicine, PGIMER, Chandigarh, India
b Department of Radiodiagnosis, PGIMER, Chandigarh, India
c Department of Paediatric Surgery, PGIMER, Chandigarh, India
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Abstract

Hydronephrosis is a common finding in urinary tract outflow obstruction. Chronically obstructed hydronephrotic system may be associated with parenchymal changes. Ultrasound, intravenous urography, micturating cysto-urethrogram and scintigraphy are commonly performed to evaluate the cause of obstruction. In childhood, pelviureteric junction obstruction is a common cause of the hydronephrosis. Hydronephrosis can also be present in horseshoe kidneys due to poor drainage. However, a large sized hydronephrotic cavity may obscure the finding of horseshoe kidney. A case was reported, and it was diagnosed as horseshoe kidney on follow-up renal dynamic scan and confirmed with the help of dimercaptosuccinic acid SPECT/CT.

Keywords:
Pelviureteric junction obstruction
Horseshoe kidney
Intravenous urography
Dimercaptosuccinic acid SPECT/CT
Resumen

La hidronefrosis es un hallazgo común en la obstrucción del tracto urinario. La obstrucción crónica del sistema urinario puede llevar asociados cambios en el parénquima renal. La ecografía, la urografía intravenosa, la cistoureterografía miccional y la gammagrafía renal se realizan habitualmente para evaluar la causa de la obstrucción. Durante la infancia, la obstrucción de la unión pieloureteral es la causa más común de hidronefrosis. La hidronefrosis también se puede presentar en los riñones en herradura debido a un drenaje urinario escaso. Sin embargo, la presencia de una gran cavidad de hidronefrosis puede oscurecer el hallazgo de un riñón en herradura. Presentamos un caso clínico de un riñón en herradura detectado en el seguimiento mediante gammagrafía renal dinámica, y confirmado con la ayuda de la SPECT/TC renal con ácido dimercaptosuccínico.

Palabras clave:
Obstrucción de la unión pieloureteral
Riñón en herradura
Urografía intravenosa
SPECT/TC con ácido dimercaptosuccínico

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