Table 1.
Cancer Diagnoses and Prevalence in African and Asian Elephants.
| Neoplasia and Malignant Prevalence | |||||
|---|---|---|---|---|---|
| Species | Total Individuals | Neoplasia |
Malignant |
||
| Cases | % | Cases | % | ||
| Asian elephant | 41 | 17 | 41.46 | 6 | 14.63 |
| African elephant | 35 | 2 | 5.71 | 0 | 0 |
| Total elephants | 76 | 19 | 25 | 6 | 7.89 |
| Neoplasia Diagnoses in African/Asian Elephants | |||||
| Species | Sex | Age | Lesion Type | Lesion Site | Malignant |
| African elephant | F | 28 | Polyp | Vagina | N |
| African elephant | NA | NA | Adenoma | Parathyroid | N |
| Asian elephant | F | 40 | Polyp | Vagina | N |
| Asian elephant | F | 45 | Polyp | Vulva | N |
| Asian elephanta | F | 30 | Polyp | Vagina | N |
| 40 | Spindle cell tumor | Leg | N | ||
| Asian elephanta | F | 50 | Polyp | Uterus | N |
| 50 | Leiomyoma | Uterus | N | ||
| Asian elephant | F | 39 | Leiomyoma | Uterus | N |
| Asian elephant | F | 39 | Mast cell tumor | Abdomen | N |
| Asian elephant | M | 35 | Papilloma | Trunk | N |
| Asian elephant | F | 36 | Papilloma | Skin | N |
| Asian elephant | F | 50 | Adenocarcinoma | Breast | Y |
| Asian elephanta | F | 59 | Adenocarcinoma | Uterus | Y |
| 59 | Leiomyoma | Uterus | N | ||
| Asian elephant (7)b | NA | NA | Adenocarcinoma (2) | Uterus (2) | Y |
| Undifferentiated malignant neoplasm (1) | Uterus (1) | Y | |||
| Leiomyosarcoma (1) | Lung (1) | Y | |||
| Sarcoma (1) | Liver (1) | Y | |||
| Leiomyoma (4) | Uterus (4) | N | |||
| Leiomyoma (1) | Stomach (1) | N | |||
| Microadenoma (1) | Pituatary gland (1) | N | |||
a
Individual elephants diagnosed with multiple tumors.
b
These 7 elephants were diagnosed with 11 tumors. Information to link multiple tumors to individual elephants was not available for these elephants.