Lethal multiple pterygium syndrome

Tulika Joshi1, Nazia Nagori Noor1, Moolraj Kural1

  • 1Department of Obstetrics and Gynaecology, Index Medical College Hospital and Research Center, Indore, Madhya Pradesh, India.

Insights

Multiple pterygium syndrome, a group of fetal malformations, stems from embryonic acetylcholine receptor defects. This report details a rare, lethal sporadic case of this genetic disorder.

Area of Science:

  • Genetics
  • Developmental Biology
  • Clinical Medicine

Background:

  • Multiple pterygium syndrome (MPS) is a rare congenital disorder characterized by webbing of skin folds at multiple joints.
  • The syndrome is genetically heterogeneous, with defects in the embryonic acetylcholine receptor implicated in its pathogenesis.
  • Inheritance patterns can be autosomal recessive, autosomal dominant, or X-linked.

Observation:

  • This study presents a sporadic case of lethal multiple pterygium syndrome.
  • The case involves a fetus exhibiting severe malformations consistent with MPS.
  • Detailed pathological examination revealed significant developmental anomalies.

Findings:

  • The observed malformations in this sporadic case align with known features of multiple pterygium syndrome.
  • Genetic analysis, if performed, would be crucial to identify specific acetylcholine receptor gene mutations.
  • The lethal outcome highlights the severe end of the phenotypic spectrum for MPS.

Implications:

  • This case underscores the importance of recognizing the diverse presentations of multiple pterygium syndrome.
  • Understanding the genetic basis of acetylcholine receptor dysfunction is critical for diagnosis and potential future therapies.
  • Further research into sporadic cases can elucidate novel genetic factors and pathogenic mechanisms in MPS.

Related Concept Videos