Multiple neuromuscular abnormalities in a paranoid schizophrenic

J. Ross-Stanton, S. Schlessinger, H. Y. Meltzer*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


A broad range of skeletal muscle fiber abnormalities has been reported previously in muscle biopsy specimens from psychotic patients. In our experience, individual patients manifest only a few types of lesions; but we now have studied a paranoid schizophrenic patient whose skeletal muscle fibers show virtually the entire range of morphologic abnormalities. In addition to the morphologic abnormalities of skeletal muscle fibers, we also noted increases branching of subterminal motor nerves with enlarged endplates and chronic elevations of serum creatine phosphokinase activity. Despite this, the patient had minimal clinical evidence of neuromuscular dysfunction. The variety of types of neuromuscular dysfunctions found in this patient suggests their etiology may be related.

Original languageEnglish (US)
Pages (from-to)53-67
Number of pages15
JournalPsychiatry Research
Issue number1
StatePublished - 1980


  • Schizophrenia
  • creatine phosphokinase (CPK)
  • skeletal muscle
  • subterminal neurons

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry


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