Bone Scintigraphy Hot-Spot in Projection to Rib and Kidney: Role of Single Photon Emission Computer Tomography/Computer Tomography in Distinguishing a Urine Collection in Renal Calyx from a Metastasis to Rib

On planar bone scintigrams, activity enhancement foci in projection to kidney and lower ribs can arise from the kidney, or from bone lesions. A differentiation based only on the exact location and shape of the hot spot can sometimes be misleading, resulting in a false qualification of a rib metastat...

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Detalles Bibliográficos
Autores principales: Świętaszczyk, Cyprian, Pilecki, Stanisław E., Kobus-Błachnio, Katarzyna
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Medknow Publications & Media Pvt Ltd 2015
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4337008/
https://www.ncbi.nlm.nih.gov/pubmed/25709545
http://dx.doi.org/10.4103/1450-1147.150546
Descripción
Sumario:On planar bone scintigrams, activity enhancement foci in projection to kidney and lower ribs can arise from the kidney, or from bone lesions. A differentiation based only on the exact location and shape of the hot spot can sometimes be misleading, resulting in a false qualification of a rib metastatic lesion as urine collection in the kidney or opposite. The authors illustrate the problem with three cases: In two patients, such a hot spot appeared to be the solitary metastatic focus; in one, highly suggestive for solitary metastatic focus, it was proven to be a urine collection.

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