Cerebral venous thrombosis (CVT) has been reported as an uncommon and devastating complication of ulcerative colitis (UC), with an annual incidence varying between 0,5 to 6,7%. It is suspected to be a consequence of the hypercoagulable state occurring during disease relapse. We report a case of 22-year-old female patient presenting with CVT revealing an UC. Our case raises the awareness among health professionals about the inflammatory bowel diseases (IBD) as a rare etiology of CVT, and signifies the importance of considering antithrombotic prophylaxis in all hospitalised IBD patients, especially those with active disease.

La fièvre boutonneuse méditerranéenne (FBM) est une rickettsiose du groupe boutonneux due à rickettsia conorii. Cette zoonose est réputée d'évolution bénigne mais peut se compliquer dans les formes sévères d'une atteinte neurologique qui en font parfois toute la gravité. Nous rapportons l'observation d'une patiente âgée de 49 ans ayant présenté au cours de son hospitalisation en dermatologie pour une rickettsiose, une hémiplégie droite massive d'installation brutale. L'angio-IRM cérébrale a objectivé un accident vasculaire cérébral ischémique sylvien profond gauche. Le diagnostic de rickettsiose de type conorii a été retenu sur l'aspect des lésions dermatologiques et la positivité des sérologies par immuno-fluorescence indirecte. L'évolution était favorable sous anti-biothérapie (doxycycline et fluoroquinolone). Exceptionnellement rapporté dans le cadre des manifestations neurologiques des rickettioses, l'infarctus cérébral reste une complication à ne pas méconnaitre surtout en regard d'un bilan étiologique en particulier cardiovasculaire demeuré négatif.

Sarcoidosis is a granulomatous disease of unknown etiology that can involve several organ system. Neurological manifestations are not common and mostly include cranial neuropathies. However, auricular disorders are rare and exceptionally inaugural. We describe the case of a 46-year-old lady presented with hearing loss as the initial manifestation of sarcoidosis, and aim to raise awareness of this condition, that is often associated with significant morbidity.

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We describe à case of acute disseminated encephalomyelitis occurring after COVID-19 pneumonia in a 25-year woman. She presented with confusional syndrome and heaviness on the left side. Magnetic Resonance Imaging with gadolinium showed asymmetrical and bilateral hyperintense lesions within the deep white matter. The patient’s clinical symptoms resolved after corticosteroid therapy. Acute disseminated encephalomyelitis should be considered in patients with COVID-19 who present with altered mentation and neurological deficits.