| INTERESTING IMAGE |
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| Year : 2020 | Volume
: 35
| Issue : 4 | Page : 374-376 |
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A rare case of a pediatric patient affected by crossed fused renal ectopia: The usefulness of dual tracer99mTc-diethylenetriamine pentaacetic acid/99mTc-dimercaptosuccinic acid scintigraphy
Luca Filippi1, Oreste Bagni1, Alessia Marcellino2, Riccardo Lubrano2
1 Department of Nuclear Medicine, Santa Maria Goretti Hospital, Latina, Italy
2 Department of Maternal and Child Health, UOC of Latina, University of La Sapienza Roma, Roma, Italy
Correspondence Address:
Dr. Luca Filippi
Department of Nuclear Medicine, ‘Santa Maria Goretti’ Hospital, Via Canova 04100, Latina
Italy
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/ijnm.IJNM_136_20
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A 9-year-old male patient, with an ultrasonography diagnosis of horseshoe kidney condition, was referred to our hospital for recurrent urinary tract infection. He was submitted to 99mTc-diethylenetriamine pentaacetic acid sequential scintigraphy that demonstrated urine stasis in the calyces of both kidneys and was also suggestive for 8-shaped right-to-left crossed-fused renal ectopia. A subsequently performed 99mTc-dimercaptosuccinic acid scan confirmed the diagnosis of crossed renal ectopia, also disclosing, through single-photon emission computed tomography (SPECT) acquisition, cortical uptake defects in both kidneys, and indicative of renal scarring due to recurrent pyelonephritis. Combined scintigraphy and appropriate technological approaches (SPECT/3D volume rendering) may be useful in selected patients with congenital anomalies.
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