Neuritis ossificans: rare cause of sciatica
Salah Bellasri, Cherif El Asri
Corresponding author: Salah Bellasri, Service d’Imagerie Médicale, Hôpital Militaire, Faculté de Médecine et de Pharmacie, Université Mohammed V, Rabat, Morocco 
Received: 31 May 2016 - Accepted: 10 Jun 2016 - Published: 16 Nov 2016
Domain: Clinical medicine
Keywords: Neuritis ossificans, sciatica, lumbar spine
©Salah Bellasri 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: Salah Bellasri et al. Neuritis ossificans: rare cause of sciatica. Pan African Medical Journal. 2016;25:170. [doi: 10.11604/pamj.2016.25.170.9937]
Available online at: https://www.panafrican-med-journal.com//content/article/25/170/full
Original article 
Neuritis ossificans: rare cause of sciatica
Neuritis ossificans: rare cause of sciatica
Salah Bellasri1,&, Cherif El Asri2
1Service d’Imagerie Médicale, Hôpital Militaire, Faculté de Médecine et de Pharmacie, Université Mohammed V, Rabat, Morocco, 2Service de Neurochirurgie, Hôpital Militaire, Faculté de Médecine et de Pharmacie, Université Mohammed V, Rabat, Morocco
&Corresponding author
Salah Bellasri, Service d’Imagerie Médicale, Hôpital Militaire, Faculté de Médecine et de Pharmacie, Université Mohammed V, Rabat, Morocco
A 35-year old male, presented with 3 months history of intermittent sciatica involving the right lower extremity. There was no history of trauma or intra muscular injection. Results of neurological examination included a negative right sided Lasègue’s sign, an absent right Achilles tendon reflex, and decreased pinprick sense in the right S-1 distribution. Non-steroid anti-inflammatory drugs (NSAID) and myo-relaxant were prescript. Six weeks after his last visit to the neurosurgery outpatient clinic, the patient came back because during this period his condition did not improve. A computerized tomography (CT) scan demonstrated a localized calcification of the right S1 root.
Figure 1: (A) axial CT slice presented in bone window: showed a round shaped calcification of the right S1 root; (B) coronal oblique reconstructions in bone window: showed a round shaped calcification of the right S1 root; (C) sagittal oblique reconstructions in soft tissue window: showed a round shaped calcification of the right S1 root
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