Table 6.
Cancer types and metastases incidence in patients with ischemic stroke
| Cancer type | Number of patients with ischemic stroke | Metastases incidence in patients with ischemic stroke | Incidence of ischemic stroke per 1,000 patients | ||||
|---|---|---|---|---|---|---|---|
| Total | Cryptogenic stroke | Known stroke mechanisms | Total | Cryptogenic stroke | Known stroke mechanisms | ||
| Lung cancer | 24 | 12 | 12 | 9 | 7 | 2 | 8.0 |
| Pancreatic cancer | 11 | 9 | 2 | 8 | 7 | 1 | 7.5 |
| Colorectal cancer | 17 | 7 | 10 | 3 | 1 | 2 | 7.4 |
| Renal cancer | 5 | 3 | 2 | 2 | 1 | 1 | 6.6 |
| Ovarian cancer | 7 | 1 | 6 | 4 | 1 | 3 | 5.6 |
| Prostate cancer | 13 | 3 | 10 | 5 | 0 | 5 | 5.6 |
| Malignant lymphoma | 7 | 4 | 3 | 4 | 2 | 2 | 4.7 |
| Bladder cancer | 4 | 0 | 4 | 1 | 0 | 1 | 4.7 |
| Esophageal cancer | 7 | 3 | 4 | 4 | 2 | 2 | 4.1 |
| Gastric cancer | 11 | 3 | 8 | 6 | 3 | 3 | 4.0 |
| Leukemia | 3 | 2 | 1 | 1 | 0 | 1 | 3.5 |
| Biliary tract cancer | 3 | 2 | 1 | 3 | 2 | 1 | 2.6 |
| Liver cancer | 5 | 1 | 4 | 1 | 1 | 0 | 2.5 |
| Uterine cancer | 3 | 3 | 0 | 1 | 1 | 0 | 2.4 |
| Breast cancer | 7 | 5 | 2 | 3 | 3 | 0 | 1.8 |
| Othersa | 18 | 6 | 12 | 4 | 3 | 1 | |
The top 15 cancers associated with ischemic stroke are shown in this table. The proportion of systemic metastases was similar when comparing the top 3 cancers (lung cancer, pancreatic cancer, and colorectal cancer) with other cancers (38% vs. 42%).
a
Includes hematologic malignancy in 4, parotid cancer in 3, pharyngeal cancer in 2, sarcoma in 2, skin cancer in 2, oral cancer in 2, cervical cancer in 1, nasal cancer in 1, and malignant mesothelioma in 1.