case_images: PMC10921103_01
case_images: Renal echography. Right kidney (right) and left kidney (left)
case_images: cjim-15-184-g001.jpg
case_images: PMC10921103_01_cjim-15-184-g001.jpg
case_images: F1
case_images: The ultrasound performed by her primary care physician described both kidneys of preserved size and morphology with adequate thickness and medullary cortical differentiation, highlighting the presence of a hyperechogenic rim surrounding all medullary pyramids bilaterally compatible with medullary nephrocalcinosis (figure 1).
case_images: Previous renal echography. Right kidney (right) and left kidney (left)
case_images: cjim-15-184-g002.jpg
case_images: PMC10921103_01_cjim-15-184-g002.jpg
case_images: F2
case_images: However, the patient had undergone a renal ultrasound 6 years earlier which had been reported as normal (Figure 2).
case_images: Approach to hypokalemia
case_images: cjim-15-184-g003.jpg
case_images: PMC10921103_01_cjim-15-184-g003.jpg
case_images: F3
case_images: In this analytical context, we determined the transtubular potassium gradient (TTKG) (figure 3).