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Abstract
Emphysematous pyelonephritis (EPN) is a rare infectious disease, of which risk factors are poorly controlled diabetes mellitus, immunosuppression, and urinary tract obstruction. Blood investigations revealed hemoglobin (Hb) of 115 g/L, total white cell count 29.41 × 109/L, platelet count 520 × 109/L, red blood cells (RBC) 4.12 × 1012/L. A CT scan was done in an attempt to see the kidney in the lung window with success - the kidney was visible this time with no signs of obstruction or stones [Figure 1]b. She was diagnosed with EPN and uncontrolled hyperglycemia. Following debridement, the VSD sponge was tailored to veil the kidney which quickly recovered [Figure 1]d. Renal function test, urine test, and white blood cell count normalized. There are many advantages of VSD device in the treatment of this disease such as keeping the wound clean, inhibiting the growth of anaerobic bacteria, controlling the spread of the anaerobic bacteria, eliminating dead space, and stimulating the growth of healthy granulation tissue. [...]the disappeared kidney in EPN cases can be found again through adjusting CT window as well as the contrast and brightness. Acknowledgments We sincerely thank Nurse Ping Zhang from the Beijing Rehabilitation Hospital, Capital of Medical University, and Dr....