PMC6916732_01
(a) Elderly severe patient with severe kyphoscoliosis. (b) CT shows 2.3 x 2.3 x 2.0 calculi in the right kidney. (c) Degenerative and generalized osteopenia noted in the entire spine.
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A 78-year-old female patient with severe kyphoscoliosis (Fig. 1a) presented with pain in abdomen secondary to urolithiasis. Plain CT revealed a renal calculi (HU +1200) measuring 2.3 x 2.4 x 2.0 cms in the right lower calix (Fig. 1b). Degenerative and generalized osteopenia was noted in the entire spine with significantly reduced intervertebral spaces of the lower thoracic and lumbar vertebrae (Fig. 1c).
(a, b) Patient positioned for percutaneous nephrolithotomy in a modified prone position.
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In this position, the C-arm could be freely moved over the abdomen (Fig. 2a, b).