1. Quiz Page Answers September 2006
American Journal of Kidney Diseases 
Volume 48, Issue 3, Pages e25-e26 (September 2006)
DOI: /j.ajkd
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2. Figure 55A What do you observe on this image of the patient’s elbow?
The left elbow shows antecubital pterygia (tissue and skin are tightened across the joint, giving the elbow a “webbed” effect [arrow]).
American Journal of Kidney Diseases  , e25-e26DOI: ( /j.ajkd )
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3. Figure 55B
What do you observe on this image of the patient’s right elbow?
The right elbow shows a dislocated radial head (white arrow), but the radial head itself appears normally shaped, although a hypoplastic humeral condyle is present (black arrow).
American Journal of Kidney Diseases  , e25-e26DOI: ( /j.ajkd )
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4. Figure 55C
What do you observe on this ultrastructural image of the patient’s renal biopsy?
Ultrastructural examination shows fibrillar collagen (black arrows) that is diffuse and isolated within the basement membrane and mesangial areas, and that is associated with fusion of the epithelial foot processes (white arrows).
American Journal of Kidney Diseases  , e25-e26DOI: ( /j.ajkd )
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