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Progressive Neuronal Degeneration of Childhood (PNDC) with Liver Disease

The Institute of Child Health, 30 Guilford Street, London WC1, England, Hospital for Sick Children, Great Ormond Street, London WC1, England

B.N. Harding, PhD, MRCPath

Hospital for Sick Children, Great Ormond Street, London WC1, England

S.G. Boyd, MB, ChB

Hospital for Sick Children, Great Ormond Street, London WC1, England

J. Wilson, PhD, FRCP

Hospital for Sick Children, Great Ormond Street, London WC1, England

M. Erdohazi, MD

Hospital for Sick Children, Great Ormond Street, London WC1, England

Thirteen children with progressive neuronal degeneration and liver disease are reported. Clinical features included developmental delay after a normal initial period with later onset of intractable epilepsy. The EEG showed an unusual but characteristic pattern, and visual evoked responses (VER) were abnormal. Rapidly progressive cerebral atrophy was seen on computerized axial tomography (CAT). Inheritance was consistent with an autosomal recessive trait. Pathological findings were neuronal degeneration and spongy change of the cerebral cortex. The calcarine cortex was more severely affected than other areas. Hepatic lesions included severe fatty change and cirrhosis. In six patients liver disease was detected before the onset of epilepsy and exposure to anticonvulsants. Two others were reported to have died from sodium valproate (SV) toxicity, but both had abnormal liver enzymes before treatment with SV, and in both the neuropathological findings were indicative of PNDC. During life, PNDC may be indicated by the characteristic clinical course, abnormal liver function tests, and abnormalities of EEG, VER, and CAT.

Clinical Pediatrics, Vol. 26, No. 4, 167-173 (1987)
DOI: 10.1177/000992288702600401


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