Internal medicine
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Early detection and appropriate management of treatment-related interstitial lung disease (ILD) are important in cancer treatment. We established an algorithm for quantifying fine crackles using machine learning and reported that the fine crackle quantitative value (FCQV) calculated by this algorithm was more sensitive than chest radiography for detecting interstitial changes. Using this algorithm, we periodically analyzed respiratory sounds in two patients with lung cancer who developed treatment-related ILDs and found that the FCQV was elevated before the diagnosis of ILD. These cases may indicate the usefulness of the FCQV in the early diagnosis of treatment-related ILDs.
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Case Reports
Crystalline Light Chain Casts and Hypercalcemia Induced Acute Kidney Injury: A Rare Presentation of Multiple Myeloma.
The most common cause of acute kidney injury (AKI) in multiple myeloma is light-chain cast nephropathy (LCCN), which consists of a light chain and Tamm-Horsfall protein (THP). We herein report a 46-year-old woman with hypercalcemia and AKI. ⋯ She subsequently received bortezomib-based anti-myeloma therapy and recovered successfully. This was a rare case of LCCN, suggesting that hypercalcemia may play a role in the development of crystalline LCCN.
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A 53-year-old man presented with abdominal symptoms and a fever for 6 months and ascites and lower body edema for 2 months before visiting our clinic. Heart failure, renal failure, inferior vena cava or portal vein obstruction, cirrhosis, and malignancy were suspected, but none were present. ⋯ Since the patient's ascites were not satisfactorily controlled medically, a Denver peritoneovenous shunt was placed. As a result, the ascites volume was successfully controlled over an extended period.