Table 1.
International Endocervical Adenocarcinoma Criteria and Classification (IECC) and World Health Organization (WHO) classification systems
| International Endocervical Adenocarcinoma Criteria and Classification (IECC) | World Health Organization (WHO) | |
|---|---|---|
|
| ||
| Main categories | Morphologic subcategories (optional) | |
|
| ||
| 1. HPV-related endocervical adenocarcinoma | HPV adenocarcinoma, usual type | 1. Usual type adenocarcinoma |
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| HPV adenocarcinoma, villoglandular type | 2. Villoglandular adenocarcinoma | |
|
|
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| HPV adenocarcinoma, mucinous NOS type | 3. Mucinous adenocarcinoma NOS | |
|
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| HPV adenocarcinoma, mucinous intestinal type | 4. Mucinous adenocarcinoma, intestinal type | |
|
|
||
| HPV adenocarcinoma, signet-ring cell type | 5. Mucinous adenocarcinoma, signet-ring cell type | |
| HPV adenocarcinoma, stratified mucin producing type | ||
|
| ||
| 2. Non-HPV adenocarcinoma, gastric type | 6. Mucinous adenocarcinoma, gastric type | |
|
| ||
| 3. Non-HPV adenocarcinoma, endometrioid type | 7. Endometrioid carcinoma | |
|
| ||
| 4. Non-HPV adenocarcinoma, clear cell type | 8. Clear cell carcinoma | |
|
| ||
| 5. Non-HPV adenocarcinoma, mesonephric type | 9. Mesonephric carcinoma | |
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| 6. Non-HPV adenocarcinoma, serous type | 10. Serous carcinoma | |
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| 7. Invasive adenocarcinoma, NOS | 11. Invasive adenocarcinoma, NOS | |