“…10 Since 1998, eight cases of thymoma/myasthenia gravis combined with MN have been reported, and more than half of the cases did not demonstrate a direct association between thymoma and MN. [10][11][12][13][14] Hypercalcemia often leads to chronic interstitial nephritis, typically accompanied by low-grade proteinuria, and rarely by nephrotic-range proteinuria. 15 Our patient's proteinuria level continued to increase even after achieving control of blood calcium levels.…”