Department of Paediatrics, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
ELW Fung ( 馮麗華 ) MBChB
WL Yeung ( 楊慧蘭 ) MBChB
EAS Nelson ( 倪以信 ) MD
Department of Orthopaedics and Traumatology, Prince of Wales Hospital, Shatin, N.T., Hong Kong, China
TP Lam ( 林子平 ) MBBS
Correspondence to: Dr ELW Fung
Received August 7, 2006
A 30-month old boy presented with acute flaccid paralysis of the left leg. Electrodiagnostic studies revealed reduced amplitude of compound muscle action potential and prolonged F wave latencies. Magnetic resonance imaging of spine showed signal abnormality in the region of anterior horn cell in the spinal cord. Extensive virological tests in stool and blood samples were negative.