Hereditary neuronal intranuclear inclusion disease with autonomic failure and cerebellar degeneration

Raffaella Zannolli, Sid Gilman, Simone Rossi, Nila Volpi, Andrea Bernini, Paolo Galluzzi, Daniela Galimberti, Lucia Pucci, Alfonso D'Ambrosio, Guido Morgese, Fabio Giannini

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Neuronal intranuclear inclusion disease (NIID), a multiple-system degeneration, occurs usually as a sporadic disorder with onset in childhood. The disease has been found in monozygotic twins and in siblings. In 2 previously described families, the disorder has affected 2 generations. Objective: To investigate the clinical, anatomical, and electrophysiological characteristics of NIID that affect the central nervous system and the central and peripheral components of the autonomic nervous system in 2 successive generations of a family. Design: Case report. Setting: Tertiary care hospital. Patients: A 53-year old woman and her sons, aged 28 and 25 years. Symptoms began in childhood in 2 of the 3 cases, and consisted of urinary and fecal incontinence, erectile dysfunction in the men, and recurrent orthostatic hypotension. Methods: We used results of clinical neurological evaluations; cranial magnetic resonance imaging; skeletal muscle and sphincter electromyography (EMG); peripheral nerve conduction and bulbocavernosus reflex studies; autonomic function tests; brainstem, visual, somatosensory, and motor evoked potentials; auditory and vestibular testing; metabolic and molecular genetic testing; and muscle and rectal biopsy with immunohistochemistry. Results: We found variable degrees of ocular dysmetria in 2 cases, ataxic dysarthria and limb ataxia in 1, and hyperreflexia in 2. Magnetic resonance imaging revealed cerebellar atrophy in all 3 cases and diffuse cerebral cortical atrophy in 1. Results of peripheral nerve conduction studies were normal. Sphincter EMG findings were abnormal in 2 of the 3 cases, and results of autonomic function tests were abnormal in the same 2. The EMG in 1 case revealed a chronic neurogenic pattern in the distal limb muscles. Metabolic and molecular genetic testing revealed no abnormal findings. Results of the muscle biopsy were negative, but results of the rectal biopsy revealed eosinophilic ubiquitinated intranuclear inclusions in neurons. Conclusion: Transmission of NIID in 2 generations presenting with autonomic failure and cerebellar ataxia was hereditary.

Original languageEnglish
Pages (from-to)1319-1326
Number of pages8
JournalArchives of Neurology
Volume59
Issue number8
DOIs
Publication statusPublished - 2002

ASJC Scopus subject areas

  • Neuroscience(all)

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