Table 3. Neoplastic Changes in rasH2 Mice Implanted with CNT, Carbon Black, Solvent, or N-Methyl-N-nitrosourea (MNU) Solutiona.
total number |
|||||
---|---|---|---|---|---|
control | carbon black | CNT | MNU | ||
organ | diagnosis | 10 | 10 | 10 | 10 |
skin (back area) | papilloma | 0 | 0 | 0 | 2 |
keratoacanthoma | 0 | 0 | 0 | 0 | |
skin (face) | papilloma | 0 | 0 | 0 | 3 |
keratoacanthoma | 0 | 0 | 0 | 0 | |
skin (thigh) | papilloma | 0 | 0 | 0 | 1 |
keratoacanthoma | 0 | 0 | 0 | 0 | |
spleen | inflammatory pseudotumor | 0 | 0 | 1 | 0 |
hemangioma | 0 | 1 | 0 | 0 | |
hematopoietic system | malignant lymphoma | 0 | 0 | 0 | 2 |
epithelial thymoma | 0 | 0 | 0 | 0 | |
kidneys | hemangioma | 0 | 0 | 0 | 0 |
pancreas | hemangioma | 0 | 0 | 0 | 0 |
lungs | adenocarcinoma | 0 | 0 | 0 | 0 |
adenoma | 0 | 1 | 0 | 1 | |
hemangioma | 0 | 0 | 0 | 0 | |
forestomach | papilloma | 0 | 0 | 0 | 10b |
basal cell tumor | 0 | 0 | 0 | 0 | |
squamous cell carcinoma | 0 | 0 | 0 | 0 | |
perineal | papilloma | 0 | 0 | 0 | 5c |
Adapted with permission from ref (98). Copyright 2012 Nature Publishing Group.
Significant differences at p = 0.0000054125 (Fisher’s direct method).
Significant differences at p = 0.016254 (Fisher’s direct method).