Clinical and Pathological Characteristics of Organized Hematoma

Table 3

Treatment and outcomes.

Case	Angiography	Feeding artery	Embolization	Operation; method	Bleeding; volume (mL)	followup; (m)	recurrence
I	(+)	(−)	(−)	Transmaxillary	56	108	none
II	(+)	MA	Gelform	ESS	5	48	none
III	(+)	MA	Gelform	ESS	8	6	none
IV	(−)			ESS	65	12	none
V	(−)			Transmaxillary	120	76	none

(+): performed; (−): not performed or not confirmed; MA: maxillary artery; m: months; ESS: endonasal endoscopic sinus surgery; transmaxillary: transmaxillary approach with sublabial incision.