Table 1: Patients data
N	Age, gender	Clinical symptoms	Causes and risk factors	Topography	Parenchyma involvement	Outcome
1	11, M	ICH, P, IIIrd np, VIth np, exophtalmos,	Severe staphylococcal of the face	SC	no	normal
2	27, F	ICH, P, motor deficit, DC	Post-partum, otomastoiditis	SSS, SLD	yes	Motor deficit
3	60, M	Seizures, motor deficit, DC, fever	absent	SLD	yes	normal
4	24, F	Ptosis, headache , IIIrd np, VIth np, exophtalmos, DC, fever	Severe staphylococcal of the face	SC	no	IIIrd np, VIth np
5	17, F	ICH, P, VIth np, exophtalmos,  fever,	Probable local infection	SC	no	death
6	27, F	ICH, P, seizures, motor deficit,	Post-partum	SSS	yes	seizures
7	43, M	Seizures, motor deficit,	Absent	SSS, SLG	yes	normal
8	28, F	ICH, seizures, motor deficit, DC	Post-partum	SSS	yes	death
9	21, F	ICH, fever	Post-partum	SSS	No	normal
10	17, M	ICH, P,	Behçet disease	SLD	No	normal
11	18, F	Headache, status epilepticus, motor deficit, DC, fever	Post-partum	SSS SLD	Yes	normal
12	18, F	ICH, P,  fever	Otomastoiditis	SLG	No	normal
13	46, M	ICH, IIIrd np, VIth np	Severe staphylococcal of the face	SC	No	Blindness, IIIrd np, VIth np
14	54, M	ICH, P, motor deficit	Pulmonary carcinoma with metastasis	SLD	yes	death
15	25, F	ICH, P, status epilepticus, DC, fever	Post-partum	SSS, SLD	yes	normal
16	24, M	Headache, fever, IIIrd np, VIth np exophtalmos	Ethmoiditis	SC	no	normal
17	65, F	DC	Miliary tuberculosis	SLD	no	normal
18	25, F	Status epilepticus, DC, fever	absent	Basilar veins, ICV	yes	Cognitive dysfunction, motor deficit
19	13,M	ICH, P	otomastoiditis	SLD	No	normal
20	40, F	Headache, motor deficit	Post-partum, epidural analgésia	Cortical vein	No	normal
21	7, F	ICH, P, fever	Absent	SSS, SLD, SLG	No	normal
22	55	ICH, motor deficit, DC	Absent	SLG	Yes	death
23	18 months, F	Status epileptcus, hyporeactivity	Protein C deficiency	SSS	yes	Pyramidal hypertonia
24	40, F	Headache, seizures, motor deficit	Post-partum	SSS	yes	Motor deficit
25	19, F	Headache, DC	Post-partum,	SLD	No	normal
26	18, F	ICH, P	Essential thrombocytemia	SSS	No	normal
27	44,F	ICH, motor deficit, fever	absent	SSS, RLS	no	normal
28	24,F	Headache, DC	Post-partum	SSS, LLS	yes	normal
29	28,M	Motor deficit	Behcet disease	Basilar veins	yes	Motor deficit
30	23,F	ICH, seizures, DC, fever	absent	SSS	yes	normal
IIIrd np, third nerve paralysis; DC, disorder of consciousness; ICH, intracranial hypertension; ICV, internal cerebral veins; P, papilledema SSS, superior sagittal sinus; LLS, left lateral sinus; RLS, right lateral sinus; CS, cavernous sinus; F: feminine; M: masculine.