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Neurological picture
Sarcoid related optochiasmatic arachnoiditis: favourable outcome confirmed with MRI
  1. HASSAN HOSSEINI,
  2. AYMAN TOURBAH
  1. Fédération de Neurologie, Hôpital de la Salpêtrière, 47 Boulevard de l’Hôpital, 75651 Paris Cedex 13, France
  2. Département de Neurosciences, INSERM U421, 8 rue du Général Sarrail, 94010 Créteil Cedex, France
  3. Service de Neuroradiologie, CHNO des XV-XX, 28 rue de Charenton 75012 Paris, France
  1. Dr Ayman Tourbah, Fédération de Neurologie, Hôpital de la Salpêtrière, 47 Boulevard de l’Hôpital, 75651 Paris Cedex 13, France. Telephone 0033 1 42161762; fax 0033 1 42161965.
  1. HASSAN HOSSEINI
  1. Fédération de Neurologie, Hôpital de la Salpêtrière, 47 Boulevard de l’Hôpital, 75651 Paris Cedex 13, France
  2. Département de Neurosciences, INSERM U421, 8 rue du Général Sarrail, 94010 Créteil Cedex, France
  3. Service de Neuroradiologie, CHNO des XV-XX, 28 rue de Charenton 75012 Paris, France
  1. Dr Ayman Tourbah, Fédération de Neurologie, Hôpital de la Salpêtrière, 47 Boulevard de l’Hôpital, 75651 Paris Cedex 13, France. Telephone 0033 1 42161762; fax 0033 1 42161965.
  1. AYMAN TOURBAH
  1. Fédération de Neurologie, Hôpital de la Salpêtrière, 47 Boulevard de l’Hôpital, 75651 Paris Cedex 13, France
  2. Département de Neurosciences, INSERM U421, 8 rue du Général Sarrail, 94010 Créteil Cedex, France
  3. Service de Neuroradiologie, CHNO des XV-XX, 28 rue de Charenton 75012 Paris, France
  1. Dr Ayman Tourbah, Fédération de Neurologie, Hôpital de la Salpêtrière, 47 Boulevard de l’Hôpital, 75651 Paris Cedex 13, France. Telephone 0033 1 42161762; fax 0033 1 42161965.

https://doi.org/10.1136/jnnp.67.5.690

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    A 57 year old woman was admitted for bilateral visual loss, most marked on the right. Her medical history included longstanding pulmonary sarcoidosis (stage 1) with bilateral hilar adenopathy, which had been histologically established. No specific treatment had been given.

    Cranial MRI (A–D) before treatment showed a hypertrophy of the optic chiasma and of the optic nerves, with hypersignal on T2 weighted images (A and C, black arrow) and (B and D, arrowhead) gadolinium enhancement on T1 weighted images. Images (E–H) after corticosteroid treatment showed a decrease in the size and the intensity of …

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