A rare case of klinefelter syndrome accompanied by spastic paraplegia and peripheral neuropathy

Ryo Sasaki, Yasuyuki Ohta, Yoshiaki Takahashi, Keiichiro Tsunoda, Koh Tadokoro, Kota Sato, Jingwei Shang, Mami Takemoto, Nozomi Hishikawa, Toru Yamashita, Koji Abe

Research output: Contribution to journalArticle

Abstract

Klinefelter syndrome is a chromosomal disorder with a typical karyotype of 47, XXY, accompanied by various neurological symptoms. We herein report the first case of Klinefelter syndrome with a rare mosaic form of 47, XXY and 48, XXXY, combined with both spastic paraplegia and peripheral motor neuropathy. This case showed spasticity and hyperreflexia with pathological reflexes and ankle clonus as well as muscle weakness in all extremities. A motor nerve conduction study and the magnetic motor evoked potential suggested motor axonal neuropathy and corticospinal tract disorders. The present case suggests that Klinefelter syndrome can present with both upper and lower motor neuron degeneration.

Original languageEnglish
Pages (from-to)437-440
Number of pages4
JournalInternal Medicine
Volume58
Issue number3
DOIs
Publication statusPublished - 2019

Keywords

  • Klinefelter syndrome
  • Mosaic form
  • Peripheral neuropathy
  • Spastic paraplegia

ASJC Scopus subject areas

  • Internal Medicine

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