Table 3.
Detailed description of histologic changes detected in 88 cases of placental malaria in 144 characterized placentas, Colombia
| Change or alteration | Absolute frequency (n = 144) | Overall proportion in 144 (%) | Relative proportion in 88 (%) |
|---|---|---|---|
| Infarction (basal, suprabasal, marginal, subchorionic) | 32 | 22 | 36 |
| Chorioamnionitis, funisitis, placentitis, microabscess | 19 | 13 | 22 |
| Villitis, intervillitis, deciduitis | 18 | 13 | 20 |
| Intervillous thrombi | 12 | 8 | 14 |
| Increased fibrinoid deposition | 9 | 6 | 10 |
| Increased syncytial knots | 8 | 6 | 9 |
| Sickle cell trait | 6 | 4 | 7 |
| Lymphocyte or neutrophil infiltrate | 3 | 2 | 3 |
| Vasculitis | 3 | 2 | 3 |
| Trophozoites in fetal erythrocytes | 1 | 1 | 1 |
| Other (various low frequency changes) | 33 | 23 | 38 |
| Total | 144 | 100 | 100 |