NORD Summit 2026 Banner Ad

neuronal ceroid lipofuscinosis 8 northern epilepsy variant

The information provided on this page is for informational purposes only. The National Organization for Rare Disorders (NORD) does not endorse the information presented. The content has been gathered in partnership with the MONDO Disease Ontology. Please consult with a healthcare professional for medical advice and treatment.

Connect & Download

Disease Overview

Progressive epilepsy-intellectual deficit, Finnish type (also known as Northern epilepsy) is a subtype of neuronal ceroid lipofuscinosis (NCL) characterized by seizures, progressive decline of intellectual capacities and variable loss of vision.


Synonyms

  • CLN8
  • CLN8 disease, EPMR (subtype)
  • CLN8 disease, Northern epilepsy variant
  • CLN8 disease, late infantile (subtype)
  • EPMR
  • NCL, Northern epilepsy variant
  • Northern epilepsy
  • ceroid lipofuscinosis neuronal 8
  • ceroid lipofuscinosis, neuronal, 8, NORTHERN epilepsy variant
  • early onset familial encephalopathy with neuroserpin inclusion bodies
  • epilepsy mental deterioration Finnish type
  • epilepsy, progressive, with intellectual disability
  • epilepsy, progressive, with mental retardation
  • neuronal ceroid lipofuscinosis 8
  • neuronal ceroid lipofuscinosis, Northern epilepsy variant
  • northern epilepsy variant, neuronal ceroid lipofuscinosis, Northern epilepsy variant
  • progressive epilepsy - intellectual disability, Finnish type
  • progressive epilepsy with intellectual disability, northern epilepsy
  • progressive epilepsy with mental retardation, northern epilepsy
  • progressive epilepsy-intellectual disability syndrome, Finnish type
  • progressive myoclonic epilepsy with neuroserpin inclusion bodies

GARD Disease Summary

The Genetic and Rare Diseases Information Center (GARD) has information and resources for patients, caregivers, and families that may be helpful before and after diagnosis of this condition. GARD is a program of the National Center for Advancing Translational Sciences (NCATS), part of the National Institutes of Health (NIH).

View report
Orphanet

Orphanet has a summary about this condition that may include information on the diagnosis, care, and treatment as well as other resources. Some of the information and resources are available in languages other than English. The summary may include medical terms, so we encourage you to share and discuss this information with your doctor. Orphanet is the French National Institute for Health and Medical Research and the Health Programme of the European Union.

View report
OMIM

Online Mendelian Inheritance In Man (OMIM) has a summary of published research about this condition and includes references from the medical literature. The summary contains medical and scientific terms, so we encourage you to share and discuss this information with your doctor. OMIM is authored and edited at the McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine.

View report
MedlinePlus

MedlinePlus has information about this condition that may include a description, frequency, causes, inheritance, and links to more information. The information is written for the public, including patients, caregivers and families. MedlinePlus is a service of the National Library of Medicine (NLM), which is part of the National Institutes of Health (NIH).

View report

Access State Report Card Data

Please complete this form to access the requested resource.

Please consider sharing some basic information with us.

Name(Required)
This field is hidden when viewing the form