PMC7386809_01
CT scan showing the right staghorn lithiasis.
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He had undergone a right double J stent due to an obstructive 3.5 cm staghorn lithiasis in the renal pelvis, 2.5 months ago (Figure 1).
The Galdakao-modified supine Valdivia position.
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The patient was positioned in the Galdakao-modified supine Valdivia position (Figure 2) to perform a right PCNL. The patient was placed in a slightly different position from the classic lithotomy, with the lower limbs in moderate flexion, and with the ipsilateral lower limb in a slightly inferior position with respect to the other (Figure 2).
Magnetic resonance imaging showing sequelae at 6 months.
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The magnetic resonance (Figure 3) showed the presence of a certain degree of discrete muscular oedema in a trajectory of approximately 18 cm, which affects the soleus muscles, with a chronic appearance.