Spontaneous perirenal hemorrhage (SPH), also known as Wünderlich's syndrome, is a rare urological emergency. This article reviews the most common causes of SPH and the role of imaging in establishing the correct diagnosis and in guiding the appropriate therapy. A thorough understanding of underlying etiologies, imaging appearances, optimal imaging techniques, and follow-up protocols are crucial to recognize patients with SPH due to benign disease and avoid unnecessary nephrectomies.

Both sodium phosphate and magnesium citrate provided excellent colon cleansing for CT colonography. Residual stool and fluid were similar in both groups, and fluid attenuation values were closer to optimal in the magnesium citrate group. Since bowel preparation provided by both cathartics was comparable, magnesium citrate should be considered for CT colonography, particularly in patients at risk for phosphate nephropathy.

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One of the major limitations of planar I-131 imaging is its lack of anatomic precision. SPECT/CT offers the benefit of precise anatomic localization that planar imaging lacks. Whether for confirmation of physiologic uptake or true pathology, SPECT/CT has an important role to play in clarifying equivocal findings. We present a case of papillary thyroid cancer metastatic to the liver, a relatively rare scenario. SPECT/CT allowed definitive lesion characterization at the time of the patient's visit to the nuclear medicine department.