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Non-invasive Imaging of Acute Allograft Rejection after Rat Renal Transplantation Using 18F-FDG PET

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[Phantom kidney at angionephroscintigraphy].

S P Mironov, V B Sergienko, O Yu Narusov

Vestnik Rentgenologii I Radiologii

|November 11, 2015

Summary

This summary is machine-generated.

The phantom kidney phenomenon on renal scintigraphy can mimic an absent kidney. Recognizing this vascular pool is crucial for accurate diagnosis, preventing misinterpretation of conditions like cancer recurrence or dystopic kidneys.

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Area of Science:

Nuclear Medicine
Radiology
Urology

Background:

The phantom kidney phenomenon, a vascular pool mimicking an absent or removed kidney, is a rare finding in dynamic renal scintigraphy.
This phenomenon can lead to diagnostic challenges and misinterpretations in clinical practice.

Observation:

Two cases of the phantom kidney phenomenon are presented.
Case 1: A phantom kidney post-nephrectomy indicated kidney cancer recurrence.
Case 2: Intestinal vasculature mimicked a phantom kidney in a patient with a pelvic dystopic kidney.

Findings:

The phantom kidney phenomenon is a diagnostic challenge in 99mTc-DTPA dynamic renal scintigraphy.
It can represent serious conditions such as cancer recurrence or anatomical anomalies like dystopic kidneys.

Implications:

Adherence to methodological protocols in scintigraphy is essential for accurate interpretation.
Combined single-photon emission computed tomography/computed tomography (SPECT/CT) can help avoid misdiagnosis and guide further diagnostic algorithms.