Spontaneous Retroperitoneal Bleeding as a Complication of Unusual Renal Paraganglioma

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Total score (points)</td><td class="align_center">Histologic grade (frequency)</td><td class="align_center">Metastatic rate</td><td class="align_center">5-year survival (%)</td><td class="align_center">Risk stratification</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">0–2</td><td class="align_center">Well differentiated (68%)</td><td class="align_center">3.6%</td><td class="align_center">100</td><td class="align_center">Low</td></tr><tr><td class="align_left">3–6</td><td class="align_center">Moderately differentiated (22%)</td><td class="align_center">60.0%</td><td class="align_center">66.8</td><td class="align_center">Intermediate</td></tr><tr><td class="align_left">7–10</td><td class="align_center">Poorly differentiated (10%)</td><td class="align_center">88.2%</td><td class="align_center">22.4</td><td class="align_center">High</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>GAPP score and risk stratification by Noriko Kimura et al. (<a href="https://doi.org/10.3390/jcm7090242" target="_blank">https://doi.org/10.3390/jcm7090242</a>).</div>

Case Reports in Nephrology

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Table 2: Spontaneous Retroperitoneal Bleeding as a Complication of Unusual Renal Paraganglioma 