Related Experiment Video
Updated: Mar 14, 2026

An In Vitro Model for the Study of Cellular Pathophysiology in Globoid Cell Leukodystrophy
Published on: October 21, 2014
Infantile metachromatic leukodystrophy in an 18 month old girl
Muhammad Saad Ali Mallick1, Ansab Godil1, Akash Khetpal1
1Medical Students, Dow University of Health Sciences, Pakistan.
Insights
Metachromatic leukodystrophy (MLD) is a rare neurodegenerative disorder. This case report highlights key clinical and MRI findings for diagnosing MLD, especially when enzyme or genetic tests are unavailable.
Area of Science:
- Neurology
- Metabolic Disorders
- Pediatrics
Background:
- Metachromatic leukodystrophy (MLD) is a rare, inherited neurodegenerative disorder affecting myelin.
- It is characterized by the buildup of sulfatides, leading to progressive neurological damage.
- The incidence of MLD is estimated between 1 in 1,000,000 live births.
Observation:
- A challenging case of MLD in an 18-month-old child presented with motor regression and developmental delay.
- Brain MRI revealed characteristic cortical demyelination with a distinctive tigroid appearance.
- Diagnosis was established based on clinical and imaging findings in the absence of enzyme assays or genetic analysis.
Findings:
- The case underscores the diagnostic utility of clinical presentation and specific MRI findings in MLD.
- Cortical demyelination and tigroid patterns on MRI are crucial indicators for MLD diagnosis.
- Early identification through these methods can guide management, even without definitive biochemical or genetic confirmation.
Implications:
- This report emphasizes the importance of recognizing clinical and radiological signs for early MLD diagnosis.
- It highlights diagnostic strategies for MLD in resource-limited settings or when advanced testing is delayed.
- Prompt diagnosis facilitates timely supportive care, such as physiotherapy for musculoskeletal symptoms, improving patient management.
Abstract:
Metachromatic leukodystrophy is a rarely occurring neurodegenerative metabolic disorder with an incidence of 1-9 individuals out of 1,000,000. We present a similar case in an eighteen month old child which was extremely challenging to diagnose. Clinical symptoms suggested motor regression and developmental delay which gave rise to suspicion of a neurodegenerative disorder. An MRI scan of the brain revealed cortical demyelination with tigroid appearance which confirmed the diagnosis of Metachromatic leukodystrophy. Due to the lack of availability of a treatment option like bone marrow transplant, the patient could only be given physiotherapy to help with the musculoskeletal manifestations of the disorder. The purpose of this case report is to identify clinical presentation and classical MRI findings to diagnose MLD in absence of enzyme assay and gene mutation analysis.

