Child's Nervous System

, Volume 30, Issue 4, pp 703–707

A bony human tail causing tethered cord syndrome: case report

Case Report

Abstract

Introduction

Dorsal cutaneous appendages, sometimes referred to as “human tails,” are considered to be markers of underlying occult spinal dysraphism. Rarely, these tail-like structures can themselves be the cause of tethered cord syndrome. However, to date, a “bony human tail” causing tethered cord has not been reported in the literature. One such rare lesion is being reported.

Discussion

A 2-days-old female child was brought for neurosurgical consultation with a skin-covered bony protuberance in the lower back. Examination of the child did not reveal any neurological deficits. Plain radiographic and CT evaluation showed a dorsal bony protuberance arising from the posterior elements of L1 vertebra. MRI showed the cord to be displaced posteriorly and adherent to the undersurface of the bony tail through a lipoma. During surgery, the bony “tail” was excised, and the cord was untethered with excision of the lipoma, which was tethering the cord to the bony “tail.” When examined 1 year later, the child was developing normally without any focal neurological deficits.

Conclusions

This case is being reported for its rarity and to highlight the hitherto unreported occurrence of “bony human tail” causing tethered cord syndrome.

Keywords

Human tail Lipoma Occult spinal dysraphism Tethered cord 

References

  1. 1.
    Cai C, Shi O, Shen C (2011) Surgical treatment of a patient with human tail and multiple abnormalities of the spinal cord. Adv Orthop 2011:153797Google Scholar
  2. 2.
    Dao AH, Netsky MG (1984) Human tails and pseudotails. Hum Pathol 15(5):449–453CrossRefPubMedGoogle Scholar
  3. 3.
    Donovan DJ, Pedersen RC (2005) Human tail with noncontiguous intraspinal lipoma and spinal cord tethering: case report and embryologic discussion. Pediatr Neurosurg 41:35–40CrossRefPubMedGoogle Scholar
  4. 4.
    Humphreys RP (1996) Clinical evaluation of cutaneous lesions of the back: spinal signatures that do not go away. Clin Neurosurg 43:175–187PubMedGoogle Scholar
  5. 5.
    Lu FL, Wang PJ, Teng RJ et al (1998) The human tail. Pediatr Neurol 19:230–233CrossRefPubMedGoogle Scholar
  6. 6.
    Matsumoto S, Yamamoto T, Okura K (1994) Human tail associated with lipomeningocele: case report. Neurol Med Chir (Tokyo) 34:44–47CrossRefGoogle Scholar
  7. 7.
    Mohindra S (2007) The “human tail” causing tethered cervical cord. Spinal Cord 45:583–585CrossRefPubMedGoogle Scholar
  8. 8.
    Muthukumar N (2004) The “human tail”: a rare case of tethered cord. Spine 29:E476–E478CrossRefPubMedGoogle Scholar
  9. 9.
    Samura K, Morioka T, Hashiguchi K, Yoshida F, Miyagi Y, Yoshiura T, Satoshi O, Sasaki T (2009) Coexistence of a human tail and congenital dermal sinus associated with lumbosacral lipoma. Child’s Nerv Syst 25:137–141CrossRefGoogle Scholar
  10. 10.
    Spiegelmann R, Schinder E, Mintz M et al (1985) The human tail: a benign stigma. Case report. J Neurosurg 63:461–462CrossRefPubMedGoogle Scholar
  11. 11.
    Yamada S, Mandybur GT, Thompson JR (1996) Dorsal midline proboscis associated with diastematomyelia and tethered cord syndrome: case report. J Neurosurg 85:709–712CrossRefPubMedGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Department of NeurosurgeryMadurai Medical CollegeMaduraiIndia

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