Spontaneous Venous Thromboses of Unruptured AVMs.

Table 1: Spontaneous Venous Thromboses of Unruptured AVMs.

Author	Age, Sex	Presentation	Location	Size^*	Venous Outflow Characteristics			Edema	Management
					Number	Abnormality	Location
Abdulrauf	NA, F	NA	Frontal/ Parietal	Small	Two	NA	Superficial	(-)	Resection
Kurita	47, M	UE Hypesthesia	Parietal	Small	Single	Varicose Dilation	Superficial	Perivenous/Perinidal	Radiosurgery
	17, F	Seizures	Parietal	Small	Single	Varicose Dilation	Superficial	Perivenous/Perinidal	Radiosurgery
Krapf	62, M	Seizures^†	Parietal	Small	Two	(-)	Superficial	(-)	NA
Sawlani	44, M	Seizures	Parietal/ Occipital	Small	Multiple	Venous Pouch	Superficial	(-)	Conservative
Link^‡	42, M	Seizures	Parietal/ Occipital	Large	Multiple	(-)	Mixed	Perinidal	Embolization/Resection
Kim	63, M	Headache	Fontal	Small	Multiple	Ectasia, Stenosis	Mixed	Perivenous	Conservative
	67, M	Headache, FND	Parietal	Small	Single	Ectasia, Stenosis	Superficial	Perinidal	Embolization
	42, F	Seizures	Frontal	Medium	Single	Ectasia, Stenosis	Superficial	Perivenous	Conservative
	45, F	Headache, Seizures	Parietal	Small	Single	Long Draining Vein, Venous Pouch	Superficial	Perivenous	Resection
	66, F	PND	Occipital	Medium	Multiple	Ectasia	Mixed	Perivenous	Embolization
Cao	31, M	Headache, FND, Aphasia	Parietal	Small	Single	Venous Pouch	Superficial	Perivenous/Perinidal	Embolization
Chen	33, M	Seizures	Parietal	Medium	Multiple	(-)	Superficial	Perinidal	Resection
Current Case	63, M	Seizures	Frontal	Small	Single	Venous pouch	Superficial	Perivenous	Conservative

NA: Not available; F: Female; M: Male; (-): None or Negative; UE: Upper Extremity; FND: Focal Neurologic Deficit; PND: Progressive Neurologic Deficit
*Small (< 3 cm), Medium (3-6 cm), Large (> 6 cm); †Symptoms present upon discovery of AVM but unrelated to thrombosis; ‡Patient with factor V Leiden mutation and extensive cortical vein/deep cerebral vein thrombosis.