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53-year-old man with rapid cognitive decline.

Thomas Robertson, Anthony E Tannenberg, Jessie Hiu

Brain Pathology (Zurich, Switzerland)

|March 28, 2008

Summary

Kufs' disease, a rare neurodegenerative disorder, was identified post-mortem in a patient initially diagnosed with Creutzfeldt Jakob disease. Autopsy revealed characteristic neuronal changes and lipopigment accumulation, confirming adult onset neuronal ceroid lipofuscinosis.

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Area of Science:

Neurology
Genetics
Cell Biology

Background:

Kufs' disease, a rare adult onset neuronal ceroid lipofuscinosis (ANCL), is a neurodegenerative lysosomal storage disease.
The genetic underpinnings of Kufs' disease remain largely unknown, complicating diagnosis and treatment.

Observation:

A 53-year-old male with adult onset epilepsy presented with acute confusion and amnesia, followed by rapid cognitive decline and myoclonic jerks.
Initial clinical diagnosis was Creutzfeldt Jakob disease, a rapidly fatal neurodegenerative condition.

Findings:

Autopsy brain examination revealed pathological hallmarks of Kufs' disease (ANCL, CLN4), contradicting the initial clinical diagnosis.
Microscopic analysis showed widespread neuronal ballooning and accumulation of PAS-positive material, with ultrastructural evidence of abnormal lipopigment lysosomes.

Implications:

This case highlights the diagnostic challenges in differentiating Kufs' disease from other neurodegenerative disorders like Creutzfeldt Jakob disease.
Understanding the pathological features of Kufs' disease is crucial for accurate classification and potential future therapeutic strategies for lysosomal storage diseases.