Nasu-Hakola Disease: Symptoms, Causes and Treatment

Written by Medicover Team and Medically Reviewed by Dr Prachi Rahul Pawar , Neurologists

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Nasu-Hakola Disease, also known as polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy (PLOSL), is a rare genetic disorder that primarily affects the bones and brain. This condition leads to progressive deterioration of both physical and cognitive function, impacting overall health and quality of life.

The disease causes abnormalities in bone structure and function, as well as changes in brain tissue, which can result in various health challenges. Understanding the effects of Nasu-Hakola Disease is crucial in managing the condition and providing appropriate care and support to those affected.

What are the Types of Nasu-Hakola Disease?

Nasu-Hakola Disease typically presents in two distinct forms, each with its own set of characteristic symptoms and progression patterns.

Classic Nasu Hakola Disease:

This type is characterized by earlyonset dementia and bone abnormalities.

Atypical NasuHakola Disease:

This variant presents with cognitive decline and psychiatric symptoms without bone involvement.

NasuHakola Disease Without Fractures:

Individuals with this type exhibit cognitive impairment but do not develop bone fractures.

Presenile Dementia with Bone Cysts:

This type features progressive dementia and bone cysts, affecting individuals at a younger age.

LateOnset NasuHakola Disease:

Patients with this variant experience cognitive decline and bone abnormalities later in life.

What are the Symptoms of Nasu-Hakola Disease?

Nasu-Hakola Disease typically presents with symptoms affecting both the brain and the bones.

Cognitive decline
Behavioral changes
Memory loss
Progressive dementia
Loss of motor skills
Tremors
Muscle stiffness
Difficulty walking

What Causes Nasu-Hakola Disease?

Nasu-Hakola Disease is primarily caused by mutations in the genes TYROBP and TREM

Genetic mutations in the TREM2 or TYROBP genes
Inheritance of a mutated gene from both parents

When Should You See a Doctor for Nasu-Hakola Disease?

Consult a neurologist if you or a family member experience progressive memory loss, personality changes, movement difficulties, or recurrent unexplained bone fractures, especially with a family history of the condition. Early diagnosis can help manage symptoms and provide appropriate genetic counseling.

Progressive memory loss or dementia
Personality or behavioral changes
Difficulty walking or poor coordination
Tremors or muscle stiffness
Recurrent bone pain or fractures
Family history of Nasu-Hakola disease

Early diagnosis allows timely symptom management, rehabilitation, and genetic counseling for affected families.

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How is Nasu-Hakola Disease Diagnosed?

Nasu-Hakola Disease is typically diagnosed through a combination of genetic testing and neurological evaluation by healthcare professionals.

Genetic testing
Brain imaging techniques
Neuropsychological assessments

What are the Treatment Options for Nasu-Hakola Disease?

Nasu-Hakola Disease is managed through a combination of medical interventions to address symptoms and improve the quality of life of affected individuals.

Symptomatic Treatment:

This involves managing the symptoms of Nasu-Hakola Disease such as cognitive decline, psychiatric symptoms, and motor dysfunction to improve quality of life.

Supportive Care:

Supportive care focuses on addressing the specific needs of individuals with Nasu-Hakola Disease, including physical therapy, occupational therapy, and counseling for emotional support.

Genetic Counseling:

Genetic counseling helps individuals and families affected by Nasu Hakola Disease understand the genetic basis of the condition, inheritance patterns, and available testing options.

Research and Clinical Trials:

Research studies and clinical trials offer potential avenues for exploring new treatments, therapies, and interventions for Nasu Hakola Disease to advance medical knowledge and improve outcomes.

Symptom Management:

Individualized symptom management plans may include medications to address specific symptoms such as pain, mood disorders, and movement difficulties associated with NasuHakola Disease.

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What are the Risk Factors for Nasu-Hakola Disease?

Nasu-Hakola Disease risk factors include a genetic predisposition due to specific mutations in the TREM2 or TYROBP genes, typically manifesting in individuals with a family history of the condition.

Risk factors for Nasu-Hakola Disease:

Genetic mutations
Family history of the disease

Frequently Asked Questions

1. What is Nasu-Hakola Disease?

Nasu-Hakola Disease is a rare genetic disorder characterized by a combination of progressive brain damage and bone abnormalities.

2. What are the symptoms of Nasu-Hakola Disease?

Symptoms may include cognitive decline, behavioral changes, loss of coordination, and fractures due to bone abnormalities.

3. How is Nasu-Hakola Disease diagnosed?

Diagnosis involves genetic testing to identify mutations in the TREM2 or TYROBP genes associated with the disease.

4. Is there a cure for Nasu-Hakola Disease?

There is no cure for Nasu-Hakola Disease, and treatment focuses on managing symptoms and providing supportive care.

5. Is Nasu-Hakola Disease hereditary?

Yes, Nasu-Hakola Disease is inherited in an autosomal recessive pattern, meaning both parents must pass on a mutated gene for the child to develop the condition.