Neuronal ceroid-lipofuscinosis: A clinical and morphological study of 19 patients

N. Nardocci, M. L. Verga, S. Binelli, G. Zorzi, L. Angelini, O. Bugiani

Research output: Contribution to journalArticle

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Abstract

We report on clinical, electrophysiological, neuroradiological, and morphological data from 19 patients with different types (late infantile, juvenile, and adult) of neuronal ceroid-lipofuscinosis (NCL), observed in the last 10 years at the Neurological Institute of Milan. Late Infantile NCL (LINCL) (8 patients, 4m/4f). Age at onset: 2-4 1/2 years. Seizures (6 patients) or decline of mental capacities (2 patients) were the presenting symptoms, followed by myoclonus and ataxia; visual loss and optic atrophy occurred in 6 patients within 3 years. All but 2 children became bedridden within 3 1/2 years. CT and MRI demonstrated different degrees of cerebral and cerebellar atrophy within 3 years from onset of the disease. Ultrastructural studies showed fingerprint profiles (FP) and osmiophilic bodies (OB) in circulating lymphocytes; curvilinear bodies (CB) and FP were detected in eccrine secretory cells. Juvenile NCL (JNCL) (7 patients, 4m/3f). Age at onset: 6-9 years. Visual loss with retinal degeneration was the presenting symptoms, accompanied in all but 2 patients by slight mental impairment. Seizures occurred within 2-4 years. CT and MRI detected cerebral or cerebellar atrophy in those patients (5 patients) with a clinical follow-up longer than 4 years. Electron microscopy showed FP on circulating lymphocytes, and both FP and CB on skin biopsy specimens. Adult NCL (ANCL) (4 patients, 3 m/1f). Age at onset: 12-50 years. Progressive myoclonus epilepsy (1 patient) or dementia with motor disturbances (3 patients) were the clinical phenotypes of the disease. MRI demonstrated cerebral and cerebellar atrophy within 6 years from onset. Electron microscopy disclosed FP in cytoplasmic vacuoles inside eccrine secretory cells.

Original languageEnglish
Pages (from-to)137-141
Number of pages5
JournalAmerican Journal of Medical Genetics
Volume57
Issue number2
DOIs
Publication statusPublished - 1995

Fingerprint

Neuronal Ceroid-Lipofuscinoses
Dermatoglyphics
Age of Onset
Atrophy
Unverricht-Lundborg Syndrome
Electron Microscopy
Seizures
Clinical Studies
Lymphocytes
Optic Atrophy
Retinal Degeneration
Mentally Ill Persons
Vacuoles
Dementia

Keywords

  • adult type
  • clinical course
  • juvenile type
  • late infantile type
  • neuronal ceroid-lipofuscinosis
  • ultrastructure

ASJC Scopus subject areas

  • Genetics(clinical)

Cite this

Neuronal ceroid-lipofuscinosis : A clinical and morphological study of 19 patients. / Nardocci, N.; Verga, M. L.; Binelli, S.; Zorzi, G.; Angelini, L.; Bugiani, O.

In: American Journal of Medical Genetics, Vol. 57, No. 2, 1995, p. 137-141.

Research output: Contribution to journalArticle

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