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GL2083
Brain tumor and normal tissue array with pathology grade, 208 cases/208 cores, replaced by GL2083a
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| Microarray Panel: | Brain tumor and normal tissue microarray, containing 192 cases of brain tumor (Astrocytoma, Glioblastoma, Oligodendroglioma, Oligoastrocytoma, Ependymoma, Anaplastic ependymoma, Ganglioglioma and Glioma sarcomatosum) 8 each of adjacent normal tissue and normal tissue, single core per case |
| Cores: | 208 |
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| Cases: | 208 |
| Layout: | 16 cols × 13 rows |
| Core Diameter: | 1 mm |
| Thickness: | 5 µm | | Quality Control: | Anti-Cytokeratin (CK) confirmed | | Applications: | Routine histology procedures including ImmunoHistochemistry (IHC) and In Situ Hybridization (ISH), protocols which can be found on our support page. |
| Notes: | Unless specified, all TMA slides are not coated with extra layer of paraffin (tissue cores can be easily seen on the glass), so there is no need to bake, can be directly put into xylene for de-paraffin procedure. |
*Tissue Microarray Slide Types:
- Unstained: unstained
paraffin
tissue microarray slide.
- Trial: tissue microarray trial slide. 10% - 25% of cores missing. Good for titrating antibody dilution and experiment conditions. Limited numbers are available, to 2 per item per order. Test slides (tissue arrays with catalog numbers ending with 241 or 242) are recommended as a substitute.
- H & E: Hematoxylin and Eosin stained tissue microarray slide.
Specification Sheet
| Pos |
No. |
Sex |
Age |
Organ |
Pathology diagnosis |
Grade |
Type † |
|
A1 |
1 |
F |
36 |
Cerebrum |
Astrocytoma |
1–2 |
Benign |
|
A2 |
2 |
M |
37 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A3 |
3 |
M |
52 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A4 |
4 |
M |
41 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A5 |
5 |
M |
36 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A6 |
6 |
F |
38 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A7 |
7 |
M |
38 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A8 |
8 |
M |
36 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A9 |
9 |
M |
41 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A10 |
10 |
M |
48 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A11 |
11 |
F |
44 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A12 |
12 |
M |
12 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A13 |
13 |
M |
37 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A14 |
14 |
M |
31 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A15 |
15 |
M |
38 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
A16 |
16 |
M |
40 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
B1 |
17 |
F |
53 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
B2 |
18 |
F |
40 |
Cerebrum |
Astrocytoma |
1–2 |
Benign |
|
B3 |
19 |
F |
52 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
B4 |
20 |
M |
44 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
B5 |
21 |
F |
34 |
Cerebrum |
Astrocytoma |
1–2 |
Benign |
|
B6 |
22 |
F |
54 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
B7 |
23 |
M |
51 |
Cerebrum |
Astrocytoma |
1–2 |
Benign |
|
B8 |
24 |
M |
50 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
B9 |
25 |
M |
39 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
B10 |
26 |
F |
40 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
B11 |
27 |
M |
41 |
Cerebrum |
Astrocytoma |
1–2 |
Benign |
|
B12 |
28 |
F |
41 |
Cerebrum |
Astrocytoma |
1–2 |
Benign |
|
B13 |
29 |
M |
47 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
B14 |
30 |
M |
42 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
B15 |
31 |
F |
28 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
B16 |
32 |
M |
60 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C1 |
33 |
M |
38 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C2 |
34 |
M |
30 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C3 |
35 |
F |
59 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C4 |
36 |
M |
15 |
Cerebrum |
Astrocytoma (sparse) |
2 |
Benign |
|
C5 |
37 |
M |
33 |
Cerebrum |
Astrocytoma |
1–2 |
Benign |
|
C6 |
38 |
M |
48 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C7 |
39 |
M |
51 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C8 |
40 |
M |
36 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C9 |
41 |
M |
47 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C10 |
42 |
M |
47 |
Cerebrum |
Astrocytoma (gliosis) |
– |
Benign |
|
C11 |
43 |
M |
56 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C12 |
44 |
M |
57 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C13 |
45 |
M |
48 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C14 |
46 |
F |
40 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C15 |
47 |
F |
41 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
C16 |
48 |
M |
34 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D1 |
49 |
F |
41 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D2 |
50 |
F |
35 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D3 |
51 |
M |
47 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D4 |
52 |
F |
45 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D5 |
53 |
F |
39 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D6 |
54 |
M |
23 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D7 |
55 |
M |
63 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D8 |
56 |
M |
49 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D9 |
57 |
F |
52 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D10 |
58 |
F |
57 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D11 |
59 |
M |
53 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D12 |
60 |
M |
51 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D13 |
61 |
F |
55 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D14 |
62 |
M |
39 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D15 |
63 |
F |
37 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
D16 |
64 |
M |
42 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
E1 |
65 |
F |
35 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E2 |
66 |
F |
47 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E3 |
67 |
F |
47 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E4 |
68 |
M |
51 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E5 |
69 |
F |
36 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E6 |
70 |
M |
49 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E7 |
71 |
F |
44 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E8 |
72 |
M |
39 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E9 |
73 |
M |
53 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E10 |
74 |
M |
37 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E11 |
75 |
F |
45 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E12 |
76 |
M |
35 |
Cerebrum |
Subependymal astrocytoma |
2 |
Benign |
|
E13 |
77 |
M |
50 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E14 |
78 |
M |
40 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E15 |
79 |
M |
43 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
E16 |
80 |
M |
45 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
F1 |
81 |
M |
40 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F2 |
82 |
M |
48 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F3 |
83 |
F |
47 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F4 |
84 |
F |
48 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F5 |
85 |
F |
46 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F6 |
86 |
M |
36 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F7 |
87 |
M |
52 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F8 |
88 |
M |
28 |
Cerebrum |
Astrocytoma |
1 |
Benign |
|
F9 |
89 |
F |
51 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
F10 |
90 |
M |
44 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F11 |
91 |
F |
48 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F12 |
92 |
M |
58 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F13 |
93 |
M |
60 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F14 |
94 |
M |
49 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F15 |
95 |
M |
44 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
F16 |
96 |
M |
43 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
G1 |
97 |
M |
37 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
G2 |
98 |
F |
44 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
G3 |
99 |
M |
51 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
G4 |
100 |
F |
51 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
G5 |
101 |
M |
52 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
G6 |
102 |
F |
41 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
G7 |
103 |
F |
49 |
Cerebrum |
Glioblastoma |
3–4 |
Malignant |
|
G8 |
104 |
M |
51 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
G9 |
105 |
M |
56 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
G10 |
106 |
M |
52 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
G11 |
107 |
F |
52 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
G12 |
108 |
M |
51 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
G13 |
109 |
F |
49 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
G14 |
110 |
M |
39 |
Cerebrum |
Astrocytoma |
3 |
Malignant |
|
G15 |
111 |
F |
48 |
Cerebrum |
Astrocytoma |
3 |
Malignant |
|
G16 |
112 |
M |
33 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
H1 |
113 |
M |
49 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
H2 |
114 |
F |
54 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
H3 |
115 |
F |
52 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
H4 |
116 |
M |
62 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
H5 |
117 |
M |
37 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
H6 |
118 |
M |
51 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
H7 |
119 |
M |
48 |
Cerebrum |
Astrocytoma |
2 |
Benign |
|
H8 |
120 |
F |
51 |
Cerebrum |
Anaplastic astrocytoma |
– |
Malignant |
|
H9 |
121 |
M |
46 |
Cerebrum |
Anaplastic astrocytoma |
– |
Malignant |
|
H10 |
122 |
F |
40 |
Cerebrum |
Anaplastic astrocytoma |
– |
Malignant |
|
H11 |
123 |
M |
70 |
Cerebrum |
Astrocytoma (sparse) |
– |
Benign |
|
H12 |
124 |
F |
46 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
H13 |
125 |
M |
51 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
H14 |
126 |
M |
45 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
H15 |
127 |
M |
51 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
H16 |
128 |
F |
46 |
Cerebrum |
Astrocytoma |
2–3 |
Malignant |
|
I1 |
129 |
F |
66 |
Cerebrum |
Glioblastoma |
3–4 |
Malignant |
|
I2 |
130 |
M |
63 |
Cerebrum |
Glioblastoma |
3–4 |
Malignant |
|
I3 |
131 |
F |
64 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I4 |
132 |
M |
58 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I5 |
133 |
F |
36 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I6 |
134 |
M |
40 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I7 |
135 |
F |
49 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I8 |
136 |
F |
10 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I9 |
137 |
M |
25 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I10 |
138 |
F |
65 |
Cerebrum |
Glioblastoma (sparse) with hemorrhage and necrosis |
4 |
Malignant |
|
I11 |
139 |
M |
46 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I12 |
140 |
M |
29 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I13 |
141 |
F |
68 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I14 |
142 |
M |
61 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I15 |
143 |
F |
32 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
I16 |
144 |
M |
30 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J1 |
145 |
M |
55 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J2 |
146 |
M |
52 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J3 |
147 |
M |
49 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J4 |
148 |
M |
56 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J5 |
149 |
F |
40 |
Cerebrum |
Glioblastoma with necrosis |
4 |
Malignant |
|
J6 |
150 |
F |
55 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J7 |
151 |
F |
60 |
Cerebrum |
Glioblastoma |
3–4 |
Malignant |
|
J8 |
152 |
F |
61 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J9 |
153 |
M |
44 |
Cerebrum |
Gliobastona multiforme |
4 |
Malignant |
|
J10 |
154 |
F |
33 |
Cerebrum |
Glioblastoma |
3–4 |
Malignant |
|
J11 |
155 |
M |
35 |
Cerebrum |
Glioblastoma (necrotic tissue) |
– |
Malignant |
|
J12 |
156 |
M |
52 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J13 |
157 |
M |
60 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J14 |
158 |
M |
19 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J15 |
159 |
M |
51 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
J16 |
160 |
M |
51 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
K1 |
161 |
M |
39 |
Cerebrum |
Glioblastoma with hemorrhage |
4 |
Malignant |
|
K2 |
162 |
F |
27 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
K3 |
163 |
M |
52 |
Cerebrum |
Glioblastoma |
3–4 |
Malignant |
|
K4 |
164 |
F |
58 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
K5 |
165 |
F |
70 |
Cerebrum |
Glioblastoma |
4 |
Malignant |
|
K6 |
166 |
M |
50 |
Cerebrum |
Oligoastrocytoma |
2 |
Benign |
|
K7 |
167 |
M |
46 |
Cerebrum |
Oligoastrocytoma |
2 |
Benign |
|
K8 |
168 |
F |
55 |
Cerebrum |
Oligoastrocytoma |
2 |
Benign |
|
K9 |
169 |
F |
50 |
Cerebrum |
Oligoastrocytoma |
2 |
Benign |
|
K10 |
170 |
M |
46 |
Cerebrum |
Oligoastrocytoma |
2 |
Benign |
|
K11 |
171 |
M |
37 |
Cerebrum |
Oligoastrocytoma |
2 |
Benign |
|
K12 |
172 |
M |
52 |
Cerebrum |
Oligoastrocytoma |
2 |
Benign |
|
K13 |
173 |
F |
48 |
Cerebrum |
Malignant oligoastrocytoma |
3 |
Malignant |
|
K14 |
174 |
M |
73 |
Cerebrum |
Malignant oligoastrocytoma |
3 |
Malignant |
|
K15 |
175 |
F |
46 |
Cerebrum |
Oligoastrocytoma |
2 |
Benign |
|
K16 |
176 |
F |
46 |
Cerebrum |
Oligoastrocytoma |
2 |
Benign |
|
L1 |
177 |
F |
47 |
Cerebrum |
Anaplastic oligodendroglioma |
3 |
Malignant |
|
L2 |
178 |
F |
30 |
Cerebrum |
Oligodendroglioma |
2 |
Benign |
|
L3 |
179 |
M |
66 |
Cerebrum |
Oligodendroglioma |
2 |
Benign |
|
L4 |
180 |
F |
41 |
Cerebrum |
Ependymoma |
2 |
Benign |
|
L5 |
181 |
F |
55 |
Cerebrum |
Ependymoma |
2 |
Benign |
|
L6 |
182 |
M |
41 |
Cerebrum |
Anaplastic ependymoma |
3 |
Malignant |
|
L7 |
183 |
M |
72 |
Cerebrum |
Anaplastic ependymoma |
3 |
Malignant |
|
L8 |
184 |
M |
51 |
Cerebrum |
Anaplastic ependymoma |
3 |
Malignant |
|
L9 |
185 |
M |
41 |
Cerebrum |
Anaplastic ependymoma |
3 |
Malignant |
|
L10 |
186 |
M |
26 |
Cerebrum |
Anaplastic ependymoma |
3 |
Malignant |
|
L11 |
187 |
M |
48 |
Cerebrum |
Anaplastic ependymoma |
3 |
Malignant |
|
L12 |
188 |
M |
55 |
Cerebrum |
Anaplastic ependymoma |
3 |
Malignant |
|
L13 |
189 |
F |
29 |
Cerebrum |
Anaplastic ependymoma |
3 |
Malignant |
|
L14 |
190 |
M |
51 |
Cerebrum |
Anaplastic ependymoma |
3 |
Malignant |
|
L15 |
191 |
M |
44 |
Cerebrum |
Ganglioglioma |
2 |
Benign |
|
L16 |
192 |
F |
50 |
Cerebrum |
Glioma sarcomatosum |
– |
Malignant |
|
M1 |
193 |
M |
52 |
Cerebrum |
Cancer adjacent normal brain tissue |
– |
NAT |
|
M2 |
194 |
M |
43 |
Cerebrum |
Cancer adjacent normal brain tissue |
– |
NAT |
|
M3 |
195 |
F |
47 |
Cerebrum |
Cancer adjacent normal brain tissue |
– |
NAT |
|
M4 |
196 |
F |
49 |
Cerebrum |
Cancer adjacent normal brain tissue |
– |
NAT |
|
M5 |
197 |
M |
38 |
Cerebrum |
Cancer adjacent normal brain tissue |
– |
NAT |
|
M6 |
198 |
M |
30 |
Cerebrum |
Cancer adjacent normal brain tissue |
– |
NAT |
|
M7 |
199 |
M |
67 |
Cerebrum |
Cancer adjacent normal brain tissue |
– |
NAT |
|
M8 |
200 |
M |
38 |
Cerebrum |
Cancer adjacent normal brain tissue |
– |
NAT |
|
M9 |
201 |
F |
2 |
Cerebrum |
Normal brain tissue |
– |
Normal |
|
M10 |
202 |
F |
50 |
Cerebrum |
Normal brain tissue |
– |
Normal |
|
M11 |
203 |
F |
42 |
Cerebrum |
Normal brain tissue |
– |
Normal |
|
M12 |
204 |
F |
38 |
Cerebrum |
Normal brain tissue |
– |
Normal |
|
M13 |
205 |
F |
28 |
Cerebrum |
Normal brain tissue |
– |
Normal |
|
M14 |
206 |
F |
24 |
Cerebrum |
Normal brain tissue |
– |
Normal |
|
M15 |
207 |
F |
20 |
Cerebrum |
Normal brain tissue |
– |
Normal |
|
M16 |
208 |
M |
49 |
Cerebrum |
Normal brain tissue |
– |
Normal |
|
–
|
– |
M |
58 |
Skin |
Malignant melanoma (tissue marker) |
– |
Malignant |
† For precise diagnosis, refer to pathology description.
**The grade 1-3 (or I-III) in Pathology Diagnosis is equivalent to well-differentiated, moderately-differentiated or poorly differentiated, respectively, under microscope.
Grade 1 or well-differentiated: Cells appear normal and are not growing rapidly.
Grade 2 or moderately-differentiated: Cells appear slightly different than normal.
Grade 3 or poorly differentiated: Cells appear abnormal and tend to grow and spread more aggressively.
Grade 4 or undifferentiated: *(for certain tumors), features are not significantly distinguishing to make it look any different from undifferentiated cancers which occur in other organs.
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