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Lumbar spinal stenosis causing intermittent priapism

H Baba1, Y Maezawa, N Furusawa

  • 1Department of Orthopaedic Surgery, Fukui Medical School, Japan.

Paraplegia
|June 1, 1995
PubMed
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Degenerative lumbar spinal stenosis can cause involuntary penile erection (priapism) during walking. Surgical spinal decompression may alleviate both priapism and leg pain (claudication) in affected patients.

Area of Science:

  • Neurology
  • Urology
  • Orthopedics

Background:

  • Lumbar spinal stenosis is a condition causing narrowing of the lower spine.
  • Intermittent priapism, or involuntary penile erection, is an uncommon symptom.
  • The association between spinal stenosis and priapism is not well-established.

Purpose of the Study:

  • To investigate the link between degenerative lumbar spinal stenosis and intermittent priapism.
  • To explore the clinical presentation and diagnostic findings in patients with both conditions.

Main Methods:

  • Retrospective study of seven patients with lumbar spinal stenosis, intermittent claudication, and spontaneous priapism.
  • Clinical evaluation, radiological imaging (MRI), and external urethral sphincter evoked electromyography (EUS-EMG).

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Main Results:

  • All seven patients experienced priapism and claudication during walking.
  • Radiological imaging revealed varying degrees of cauda equina constriction.
  • EUS-EMG suggested potential for monitoring priapism during ambulation, though not statistically validated.

Conclusions:

  • Degenerative lumbar spinal stenosis may be an underlying cause of intermittent priapism.
  • Surgical spinal decompression is recommended for patients suffering from both priapism and claudication.
  • Further research is needed to validate EUS-EMG as a monitoring tool.