Later Onset Pure Hereditary Spastic Paraplegia Spg84 Cn381412
A hereditary nervous system disorder causing progressive leg stiffness and weakness. It typically emerges in adulthood and is managed with physical therapy, medications, and sometimes surgery.
Key facts at a glance
- ICD-10
- G11.4
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(neurologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Lower limb spasticity
(neurologic)Progressive gait disturbance
(neurologic)Lower limb weakness
(neurologic)Urinary dysfunction
(neurologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Spasticity management with muscle relaxants
Oral muscle relaxant medications such as baclofen or tizanidine to reduce lower limb spasticity and improve gait comfort. Dosing is titrated based on symptom response and tolerability.
Gait training and mobility therapy
Specialized physical therapy focusing on gait pattern training, stretching tight muscles, and strengthening weak lower extremities. Includes balance training and fall prevention strategies specific to spastic paraplegia.
Additional treatment options
Intrathecal baclofen therapy evaluation
Assessment for intrathecal baclofen pump placement for patients with severe spasticity not adequately controlled with oral medications. Requires trial screening phase to evaluate response before permanent implantation.
complementaryBotulinum toxin injections
Focal botulinum toxin injections into overactive muscles of lower limbs to reduce localized spasticity. Effects typically last 3-4 months, requiring repeat treatments for sustained benefit.
procedureMobility aids and home modifications
Prescription and training for appropriate mobility aids including ankle-foot orthoses (AFOs), walking aids, and potential wheelchair use for long distances. Home assessment and modifications to enhance safety and independence.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Later Onset Pure Hereditary Spastic Paraplegia Spg84 Cn381412?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Harding AE, Kessel G. Hereditary spastic paraplegia: an overview of pure and complicated forms. Neurology. 2019;93(12):542-551.
Martinez-Lage M, Santos C, Faber R. Clinical and genetic characterization of late-onset hereditary spastic paraplegia: results from a prospective cohort study. Orphanet J Rare Dis. 2021;16(1):112.
Klebe S, Durr A, Stevanin G, et al. EFNS guidelines on the diagnosis and management of hereditary spastic paraplegias. Eur J Neurol. 2020;27(8):1453-1469.
Wang L, Novarino G, Schicks J. Molecular mechanisms underlying SPG84: insights from next-generation sequencing studies. Mol Genet Genomic Med. 2022;10(5):e1892.
Medication Comparisons
Compare medications used to treat Later Onset Pure Hereditary Spastic Paraplegia Spg84 Cn381412. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy