RT Journal Article SR Electronic T1 Congenital ring constrictions with entrapment neuropathies. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 247 OP 249 DO 10.1136/jnnp.44.3.247 VO 44 IS 3 A1 Marlow, N A1 Jarratt, J A1 Hosking, G YR 1981 UL http://jnnp.bmj.com/content/44/3/247.abstract AB An eight year old boy with multiple simple congenital ring constrictions is described with peripheral nerve palsies caused by entrapment in the constrictions. It is suggested that ring constrictions should be considered in the differential diagnosis of entrapment neuropathy.