Lombosciatique révélant un épendymome intramédullaire
Zeineb Alaya, Walid Osman
Corresponding author: Zeineb Alaya, Service de Rhumatologie, Hôpital Farhat Hached, avenue Ibn El Jazzar, 4000, Sousse, Tunisie 
Received: 12 Jan 2017 - Accepted: 13 Mar 2017 - Published: 24 Mar 2017
Domain: Radiology,Oncology,Rheumatology
Keywords: Lombosciatique, IRM, tumeur rachidienne, épendymome
©Zeineb Alaya et al. Pan African Medical Journal (ISSN: 1937-8688). This is an Open Access article distributed under the terms of the Creative Commons Attribution International 4.0 License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Cite this article: Zeineb Alaya et al. Lombosciatique révélant un épendymome intramédullaire. Pan African Medical Journal. 2017;26:171. [doi: 10.11604/pamj.2017.26.171.11633]
Available online at: https://www.panafrican-med-journal.com//content/article/26/171/full
Original article 
Lombosciatique révélant un épendymome intramédullaire
Lombosciatique révélant un épendymome intramédullaire
Lumbosciatica revealing intramedullary ependymoma
Zeineb Alaya1,&, Walid Osman2
1Service de Rhumatologie, Hôpital Farhat Hached, Sousse, Tunisie, 2Service d’Orthopédie, Hôpital Sahloul, Sousse, Tunisie
&Auteur correspondant
Zeineb Alaya, Service de Rhumatologie, Hôpital Farhat Hached, avenue Ibn El Jazzar, 4000, Sousse, Tunisie
A 68-year-old patient presented with bilateral inflammatory lumbosciatic pain evolving since four months with no vesico-sphincteric disorders and no associated general signs. The examination showed that the patient moves with small steps with anteflexion of the trunk. The patient had disappearance of lumbar lordosis, lumbar spine stiffness, and bilateral positive sign of Lasegue, sharp osteo-tendinous reflexes to the lower limbs with no sensory-motor deficit or saddle anesthesia. The biological assessment did not show any inflammatory syndrome. Radiographs of the lumbar spine were normal. Faced with the atypical nature of the clinical picture, a spinal MRI was performed showing the intra-ductal presence of an oval formation behind the vertebral body of L4, measuring 3 cm in height which appears in discrete hypersignal T1 (A) and hypersignal T2 (B) enhanced after injection of gadolinium and comprising a superior polar cystic component. The patient had a tumor excision in orthopedics. Histological examination of the surgical specimen led to myxopapillary ependymoma.
Key words: Lumbosciatica pain, MRI, spinal tumor, ependymoma
We here report the case of a 68-year old female patient presenting with inflammatory poorly systematized bilateral lumbosciatica, without vesico-sphincteric disorders or associated general symptoms evolving for 4 months. Physical exam showed gait with little steps with trunk anteflexion, disappearance of lumbar lordosis, lumbar spine stiffness, positive bilateral Lasègue's test and hyperactive osteotendinous reflexes in lower limbs without motor and sensory deficit or saddle block anesthesia. Laboratory tests did not show any inflammatory syndrome. Lumbar spine X-rays were normal. Given the abnormal clinical picture, spinal MRI was performed which showed oval intracanalar mass behind L4 vertebral body, measuring 3 cm height with discrete hypersignal on T1 (A) and with hypersignal on T2 (B), enhanced after gadolinium administration and containing superior polar cystic component. The patient underwent tumor resection in orthopaedics. Histological examination of the surgical specimen revealed myxopapillary ependymomas.
Figure 1: IRM rachidienne: présence en intra-canalaire d’une formation ovalaire en arrière du corps vertébral de L4, mesurant 3 cm de hauteur qui apparait en discret hypersignal T1 (A) et en hypersignal T2 (B), se réhaussant après injection de gadolinium et comportant une composante kystique polaire supérieure
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