Figure 1
(a) Va cystine kidney stone, (b) Vb cystine kidney stones. The cross section of a stone reveals a diffuse concentric structure in the periphery and an unorganized agglomerate of cystine crystals in the core. (c) SEM image of a typical Va cystine kidney stone made of large crystals exhibiting flat surfaces with well defined corners and edges. The stone was removed from the kidney of an untreated patient. (d) SEM image of a Vb kidney stone. |