Among the congenital anomalies and defects, intrauterine amputations and constriction bands are fairly infrequent. A true estimate of the incidence of such abnormalities is not possible, because of the variations encountered. Up to 1857 only 22 cases had been recorded. Since that time many more have appeared in the medical literature. Latta1 in 1925 reviewed these and commented on the etiologic factors involved. In the past sixteen years only a few such reports2 have been noted.
No publication has appeared in which the author has associated a constriction band with sensory disturbances distal to the groove. The patient in the case here reported had such a deep ring that ulcerations and delayed healing followed the slightest trauma. A problem in treatment was thus presented, which has only been partially solved.
A satisfactory explanation for the occurrence of such abnormalities has been sought for some time. A brief resume
BARENBERG LH, GREENBERG B. INTRAUTERINE AMPUTATIONS AND CONSTRICTION BANDS: REPORT OF A CASE WITH ANESTHESIA BELOW THE CONSTRICTION. Am J Dis Child. 1942;64(1):87–92. doi:10.1001/archpedi.1942.02010070088010
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