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Richard S. K. Young, MD; David L. Gang, MD; Edwin L. Zalneraitis, MD; Kalpathy S. Krishnamoorthy, MD

Arch Neurol. 1981;38(11):716-719.

Abstract
We examined the pathologic findings in four infants of mothers with myotonic dystrophy. Four of the anomalies present in these infants (nesidioblastosis, renal blastema, cryptorchidism, and patent ductus arteriosus) represent persistence of fetal organ structures or configurations. We suggest that a maturational defect may be present not only in muscle, but also in other tissues.

Author Affiliations
From the Departments of Neurology (Drs Young, Zalneraitis, and Krishnamoorthy) and Pathology (Dr Gang), Massachusetts General Hospital and Harvard Medical School, Boston. Dr Young is now with The Milton S. Hershey Medical Center, Pennsylvania State University, Hershey, Pa.

Footnotes
Accepted for publication Jan 31, 1981.

Read in part at the annual meeting of the American Academy of Neurology, New Orleans, May 1, 1980.

Reprint requests to Division of Neurology, Department of Pediatrics, The Milton S. Hershey Medical Center, Pennsylvania State University, Hershey, PA 17033 (Dr Young).

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