Idiopathic cholesterol crystal embolism with atheroembolic renal disease and blue toes syndrome: A case report

Figure 1 Blue toes on the left foot. A: On admission; B: 8 mo after discharge.

Figure 2 Doppler ultrasonography. A: The red arrow shows carotid plaque formation; B: Kidney parenchymal thickness was approximately 13.3 mm.

Figure 3 Renal biopsy. A: Red arrow: Glomerulus ischemic globular sclerosis (x 100); B: Red arrow: Glomerulus ischemic globular sclerosis (x 400); C: Red arrow: Cholesterol embolism filling the arteries (x 400); D: Red arrow: Epithelial cell cavitation and granular degeneration (x 400).

Figure 4 Follow-up period over 12 mo. The reduced regimen of prednisone and the level of serum creatine and eosinophil count are shown. Scr: Serum creatine; ESO: Eosinophil count.