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Abstract <p>Split cord malformation (SCM) is a type of complex spinal dysraphism in which the spinal cord is split into two along its longitudinal axis, with an intervening bony or cartilaginous spur. Pang has classified SCM into 2 types: Type 1 (Bony spur has divided the cord into two with separate dural covering) and Type 2 (fibrous tissues have divided the cord into two; however, the cord lies inside a single dural covering). Another entity described in the literature is 1.5 SCM, which has been classified into dorsal and ventral bony spurs, representing types 1.5 A and 1.5 B, respectively. We are describing a 2-year-old girl who presented with a small dermal sinus on the lower back. At the age of 6–7&#xa0;months, she developed weakness in the dorsiflexion of the left foot. MRI spine revealed a posteriorly arising spur with a partial bony and fibrous band dividing the cord into two with separate dural covering. She was operated on with complete removal of the spur, converting the dural covering into one. The postoperative period was uneventful.</p>

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Split cord malformation type 1.5: a rare entity

  • 期刊论文

  • 发表日期：

    2025年12月6日

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  • Abhijit Acharya,
  • Soubhagya Ranjan Tripathy,
  • Souvagya Panigrahi,
  • Rama Chandra Deo,
  • A. K. Mahapatra

摘要

Abstract

Split cord malformation (SCM) is a type of complex spinal dysraphism in which the spinal cord is split into two along its longitudinal axis, with an intervening bony or cartilaginous spur. Pang has classified SCM into 2 types: Type 1 (Bony spur has divided the cord into two with separate dural covering) and Type 2 (fibrous tissues have divided the cord into two; however, the cord lies inside a single dural covering). Another entity described in the literature is 1.5 SCM, which has been classified into dorsal and ventral bony spurs, representing types 1.5 A and 1.5 B, respectively. We are describing a 2-year-old girl who presented with a small dermal sinus on the lower back. At the age of 6–7 months, she developed weakness in the dorsiflexion of the left foot. MRI spine revealed a posteriorly arising spur with a partial bony and fibrous band dividing the cord into two with separate dural covering. She was operated on with complete removal of the spur, converting the dural covering into one. The postoperative period was uneventful.