Crystalline appearance in light chain cast nephropathy is associated with higher early mortality in patients with newly diagnosed multiple myeloma

Light chain cast nephropathy (LCCN) is the most common kidney lesion in multiple myeloma patients. LCCN may exhibit a crystalline appearance. The frequency and clinical significance of crystalline LCCN are not well understood. Here, we report the first retrospective study of crystalline LCCN.Twenty-six patients with LCCN were enrolled. We studied the clinicopathological features and outcomes of LCCN patients and compared ordinary LCCN patients...