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Pseudoxanthoma Elasticum. Presented by Dr. Stanley C. Anderson and (by invitation) by Dr. Vincent P. Burby.
R. C., a white boy, aged 11 years, was observed four years ago with an eruption in the supraclavicular fossa consisting of slightly elevated, yellowish papules and plaques. Since then these have gradually increased in number and extended to both sides of the neck.
There are multiple, slightly elevated, yellowish papules and oval plaques on the sides and front of the neck extending into the supra- and infraclavicular regions.
He has had measles, mumps, chickenpox, and influenza. Examination by an ophthalmologist revealed an error of refraction, but there was no evidence of angioid streaks.
The histologic examination, by Dr. Louis H. Winer, revealed findings characteristic of pseudoxanthoma elasticum.
Dr. Nelson Paul Anderson: This is the youngest patient I have ever seen with pseudoxanthoma elasticum. The fact that the eyegrounds are not involved