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Recently I observed an unusual type of congenital deformity of the hands in a 19-year-old aviation cadet applicant. While orthopedists with whom the case was discussed stated that they had seen a few such cases previously, no description of this deformity was found in standard orthopedic texts or specialized treatises on the hand. Because of this and because the family history of the patient supplies enough data to demonstrate the genetic transmission mechanism, the case is reported.
The deformities described existed at birth, and have neither progressed nor receded significantly since then. They have not interfered with ordinary activity, nor with schoolwork or athletics. The subject's medical history is normal, with two exceptions: (1) frequent, moderately severe upper respiratory infections in early childhood, which disappeared gradually at age 9 or 10; (2) two episodes of severe tonsillitis, one at age 7, the other at age 10, during both of
Zumoff B. CONGENITAL SYMMETRICAL FINGER CONTRACTURESREPORT OF A CASE. JAMA. 1954;155(5):437–438. doi:10.1001/jama.1954.73690230005006b
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