Prevalence of Cerebral Microhemorrhages in Amateur Boxers as Detected by 3T MR Imaging

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Fig 1.
Case 2. Microhemorrhage adjacent to the right orbital gyrus. A, Coronal T2* weighted image; B, Sagittal T1-weighted image of the 3D sagittal MPRAGE sequence; and C, axial TOF source image showing an hypointense focus with a diameter of approximately 2 mm (arrows).
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Fig 2.
Case 3. Microhemorrhage adjacent to the left inferior temporal gyrus. A, Coronal T2* weighted image; B, Sagittal T1-weighted image of the 3D sagittal MPRAGE sequence; and C, Axial TOF source image showing an hypointense focus with a diameter of approximately 3 mm (arrows).

History of the boxers

Case (No.)	Age, y	Weight Division Up To, kg	Duration of Boxing, y	Kind of Boxing			Total No. of Knockouts	Total No. of Fights	Microhemorrhage Present
Case (No.)	Age, y	Weight Division Up To, kg	Duration of Boxing, y	Classical	Thai	Kick	Total No. of Knockouts	Total No. of Fights	Microhemorrhage Present
1	36	93	11	Yes	Yes	Yes	2	46	No
2	25	60	6	Yes	No	No	1	2	Yes
3	40	74	25	No	Yes	Yes	0	>50	Yes
4	26	72	14	Yes	No	No	3	72	No
5	24	57	11	Yes	No	No	0	76	No
6	21	62	17	Yes	No	No	0	85	No
7	65	97	10	Yes	No	No	0	76	No
8	36	67	15	Yes	No	No	10	30	No
9	27	76	4	Yes	No	No	9	12	No
10	27	69	1	Yes	Yes	No	0	0	No
11	48	75	25	Yes	No	No	3	12	No
12	62	75	10	Yes	No	No	3	75	No
13	73	84	12	Yes	No	No	1	200	No
14	20	84	4	Yes	No	No	0	>100	No
15	46	73	3	Yes	No	No	0	0	No
16	32	84	13	Yes	Yes	Yes	8	25	No
17	37	85	10	Yes	Yes	Yes	12	10	No
18	28	65	3	Yes	No	No	1	13	No
19	21	60	10	Yes	No	No	0	110	No
20	24	61	8	Yes	No	Yes	0	86	No
21	19	90	6	Yes	No	No	0	35	No
22	30	57	18	Yes	No	No	0	>150	No
23	23	60	12	Yes	No	No	0	140	Yes
24	48	103	16	Yes	No	No	2	375	No
25	24	87	5	Yes	No	No	1	1	No
26	27	85	6	Yes	Yes	No	6	10	No
27	38	81	15	Yes	No	Yes	0	0	No
28	18	50	7	Yes	No	No	1	51	No
29	18	55	7	Yes	No	No	0	65	No
30	27	91	12	Yes	No	No	0	105	No
31	23	77	9	Yes	No	No	0	150	No
32	22	64	12	Yes	No	No	0	176	No
33	52	77	14	Yes	No	No	1	216	No
34	20	58	10	Yes	No	No	2	120	No
35	18	77	4	Yes	No	No	0	42	No
36	22	67	10	Yes	No	No	0	173	No
37	20	76	10	Yes	No	No	0	110	No
38	18	57	6	Yes	No	No	0	96	No
39	20	82	6	Yes	Yes	No	1	80	No
40	39	80	8	Yes	No	No	0	60	No
42	54	76	26	Yes	No	No	1	122	No
41	53	100	22	Yes	No	No	2	165	No