Fig. 4From: Crizotinib Associated Renal Cysts [CARCs]: incidence and patterns of evolutionResolution of CARC upon ceasing crizotinib in patient 4: Coronal CT demonstrating left renal cysts with perinephric and psoas invasion (a). Histology of CT guided biopsy from left psoas lesion revealed xanthogranulomatous inflammation (Haematoxylin and eosin, original magnification x200) (b). Coronal CT demonstrating resolving cystic changes after discontinuing crizotinib (c). Graph: Maximum renal cyst diameter (mm) versus days on crizotinib, demonstrating evolution of five cysts in this patient (d)Back to article page