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Clinical, morphologic, and histologic characteristics of aneurysms (cont.)
Patient No. Neck Identified Layer Covering Coils at Neck Content of the Aneurysm Sack Blood Unorganized Thrombus Void Spaces Foreign Body Giant Cells Leukocyte Infiltration Macrophages Fibrocellular Reaction Neocapillaries Collagen Formation
1 0 N/A 1 1 0 1 1 1 0 0 0
2 1 Fibrotic 0 1 1 1 0 0 1 1 1
3 1 Fibrin 1 1 0 1 1 1 0 0 0
4 1 Fibrotic 0 1 1 1 1 0 1 1 1
5 1 Fibrin 1 0 0 0 0 0 0 0 0
6 0 N/A 1 0 0 0 0 1 0 0 0
7 0 N/A 1 0 1 0 0 1 0 0 0
8 1 None 1 0 1 1 0 1 0 0 0
9 1 Fibrotic 1 1 1 1 0 1 1 1 1
10 1 Fibrin 1 1 0 1 0 1 0 0 1
11 1 Fibrin 1 1 0 0 1 1 0 0 0
12 1 Fibrin 1 0 0 1 0 1 0 0 0
13 0 N/A 1 0 0 0 0 0 0 0 0
14 0 N/A 1 1 0 0 1 1 0 0 0
15 0 N/A 1 1 0 0 0 1 0 0 0
16 0 N/A 1 1 0 0 1 1 0 0 0
17 1 Fibrotic 1 1 0 1 0 1 0 0 1
18 0 N/A 0 0 0 1 1 1 1 1 1

Patient No.	Neck Identified	Layer Covering Coils at Neck	Content of the Aneurysm Sack Blood	Unorganized Thrombus	Void Spaces	Foreign Body Giant Cells	Leukocyte Infiltration	Macrophages	Fibrocellular Reaction	Neocapillaries	Collagen Formation
1	0	N/A	1	1	0	1	1	1	0	0	0
2	1	Fibrotic	0	1	1	1	0	0	1	1	1
3	1	Fibrin	1	1	0	1	1	1	0	0	0
4	1	Fibrotic	0	1	1	1	1	0	1	1	1
5	1	Fibrin	1	0	0	0	0	0	0	0	0
6	0	N/A	1	0	0	0	0	1	0	0	0
7	0	N/A	1	0	1	0	0	1	0	0	0
8	1	None	1	0	1	1	0	1	0	0	0
9	1	Fibrotic	1	1	1	1	0	1	1	1	1
10	1	Fibrin	1	1	0	1	0	1	0	0	1
11	1	Fibrin	1	1	0	0	1	1	0	0	0
12	1	Fibrin	1	0	0	1	0	1	0	0	0
13	0	N/A	1	0	0	0	0	0	0	0	0
14	0	N/A	1	1	0	0	1	1	0	0	0
15	0	N/A	1	1	0	0	0	1	0	0	0
16	0	N/A	1	1	0	0	1	1	0	0	0
17	1	Fibrotic	1	1	0	1	0	1	0	0	1
18	0	N/A	0	0	0	1	1	1	1	1	1