Nota Clínica

Intermittent priapism as a clinical feature of lumbar spinal stenosis

J.I. Rojas, M.C. Zurrú-Ganen, M. Romano, L. Patrucco, E. Cristiano [REV NEUROL 2007;45:532-534] PMID: 17979083 DOI: https://doi.org/10.33588/rn.4509.2007429

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Volumen 45 | Number 09 | Nº of views of the article 6.923 | Nº of PDF downloads 298 | Article publication date 01/11/2007

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ABSTRACT

INTRODUCTION Lumbar spinal stenosis is defined as a narrowing of the neural canal and foramina that result in compression of the lumbosacral nerve roots or cauda equina. Patients with lumbar spinal stenosis may present a variety of signs and symptoms. One such syndrome is neurogenic intermittent claudication, characterized by radicular symptoms exacerbated by walking or standing and relieved by rest. Infrequently, lumbar spinal stenosis produces a cauda equina compression, characterized by intermittent urinary or fecal incontinence, impotence and in rare cases priapism.

CASE REPORT A 50 year-aged male, presented with spontaneous intermittent priapism and few months later weakness, numbness and pain of his legs provoked by bipedestation or physical exertion that completely disappeared by sitting or lying down. A computed tomographic scan showed a lumbar canal narrowing of L4 through L5. A diagnosis of neurogenic intermittent claudication with dysfunction of the cauda equina roots secondary to the presence of lumbar spinal stenosis was carried out. The symptoms completely resolved after descompressive lumbar laminectomy of L4 and L5.

CONCLUSIONS Causal interpretation of neurogenic intermittent claudication still remains obscure. An inadequate blood supply provoked by increased intra-raquid pressure among the roots may act as a dynamic factor. This mechanism could cause stagnant anoxia during the exercise resulting in clinical symptoms. Lumbar spinal stenosis should be kept in mind when autonomic features appear. KeywordsLumbar spinal stenosis Neurogenic intermittent claudication Priapism

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Nota Clínica

Intermittent priapism as a clinical feature of lumbar spinal stenosis

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