Ureteral Stone Mimicking Metastasis – Planar Bone Scan When Single-photon Emission Computed Tomography/Computed Tomography Is a Necessity

Author:

Mishra Ayush1,Singh Vijay1,Nazar Aftab Hasan1

Affiliation:

1. Department of Nuclear Medicine, SGPGIMS, Lucknow, Uttar Pradesh, India

Abstract

In this case, we demonstrated a ureteric stone that resembled bone metastasis. Because bone-seeking radiopharmaceuticals are excreted into the urine by the kidneys, normal kidneys and bladder are well visualized on skeletal scintigraphs leading to incidental detection of urinary tract abnormalities. Bone tracer uptake related to ureteral stones has been reported [Figure 1] several times before. We present a right ureteral stone mimicking abnormal focal sacral uptake on planar scan in a patient with rectal cancer. This case emphasizes the importance of using single-photon emission computed tomography/computed tomography to determine the cause of abnormal uptake on a planar scan.

Publisher

Medknow

Subject

Radiology, Nuclear Medicine and imaging

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