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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Pediatr Nephrol. 2018 Nov 15;34(3):435–442. doi: 10.1007/s00467-018-4109-x

Figure 1.

Figure 1.

Figure 1.

Urinary 2,8-dihydroxyadenine crystals. (A) The characteristic medium-sized crystals are brown with a dark outline and central spicules. (Original magnification x 400). (B) The same field viewed with polarized light microscopy shows that the small- and medium-sized crystals appear yellow in color and produce a central Maltese cross pattern. (Original magnification x 400)