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. 2013:2013:913218.
doi: 10.1155/2013/913218. Epub 2013 Dec 5.

Spinal cord compression revealing an intraosseous schwannoma

Leila Metoui  1 , Faïda Ajili  1 , Mouna Maiza  1 , Mehdi Ben Ammar  2 , Imen Gharsallah  1 , Issam M'sakni  3 , Bassem Louzir  1 , Salah Othmani  1
Affiliations

Spinal cord compression revealing an intraosseous schwannoma

Leila Metoui et al. Case Rep Med. 2013.

Abstract

A 68-year-old female presented with inflammatory lumbalgia and cruralgia. Physical examination revealed a lumbar stiffness without neurological deficit. Secondarily, paraplegia and urinary retention appeared. Magnetic resonance imaging showed a vertebral compaction of L3 vertebra with medullar compression. Emergent surgery revealed an epidural tumor involving largely the L3 vertebral body. Histology found schwannoma with positive protein S100 on the immunohistochemical study. Metastasis screening revealed bilateral nodular lesions of the lungs and a trochanter high scintigraphic signal. It was a malignant schwannoma. The patient underwent radiotherapy in addition to the total tumor resection.

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Figures

Figure 1
Figure 1
MRI: T1 low sign: L3 compaction.
Figure 2
Figure 2
T2 high sign with dural sac compression.
Figure 3
Figure 3
L3 compaction.
Figure 4
Figure 4
Spindle-shaped cells.
Figure 5
Figure 5
Protein S100 positivity on the immunohistochemical study.
See this image and copyright information in PMC

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