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Infantile spinal amylotrophy Werding-Hoffman disease and congenital contractures
1Institute for Care of Mother and Child, Alfred Rusescu, Bucharest, Romania.
Abstract:
The authors present a rare case of a male infant aged 5 1/2 months with muscular contractures, hypotonia and areflexia. Two male siblings died with the same clinical picture. The microscopic findings of several spinal cord specimens are typical for Werding-Hoffman amylotrophia spinalis. The microscopical aspects are suggestive for neurogenic atrophy of muscular fibres with interstitial myositic process. It is proposed to include the present case in X-linked form of infantile spinal muscular atrophy.
Insights
This study details a rare case of infantile spinal muscular atrophy in a male infant presenting with muscle contractures and hypotonia. Microscopic findings suggest an X-linked form of this severe neuromuscular disorder.
Area of Science:
- Neurology
- Genetics
- Pediatrics
Background:
- Infantile spinal muscular atrophy (SMA) is a severe neuromuscular disorder.
- Werding-Hoffman disease is a common form of SMA.
- X-linked inheritance patterns are observed in some SMA subtypes.
Observation:
- A 5.5-month-old male infant presented with muscular contractures, hypotonia, and areflexia.
- Two older male siblings had previously died with a similar clinical presentation.
Findings:
- Microscopic examination of spinal cord specimens revealed findings typical of Werding-Hoffman disease (spinal muscular atrophy).
- Histological analysis suggested neurogenic muscular atrophy with an interstitial myositic process.
Implications:
- The case suggests a possible X-linked inheritance pattern for this form of infantile spinal muscular atrophy.
- This rare presentation highlights the importance of genetic counseling and early diagnosis in families with a history of unexplained infant mortality and neuromuscular symptoms.