Table 5.
Comparison between the histology of the primary tumor and skin metastases. ADS: adenosquamous; NOS: not otherwise specified; ADK: adenocarcinoma.
| Case | Primary Tumor Hystotype According to WHO 2019 | Additional Morphological Findings of Skin Metastasis |
|---|---|---|
| 1 | ADS | Keratinizant squamous component |
| 2 | Signet ring; mucinous | ADK, NOS |
| 3 | Mucinous | Mucinous-signet ring |
| 4 | NOS | ADK, NOS |
| 5 | NOS | ADK, NOS |
| 6 | NOS | ADK, NOS |
| 7 | NOS with mucinous component | Mucinous component |
| 8 | NOS | ADK, NOS |
| 9 | NOS | ADK, NOS |
| 10 | NOS | Mucinous component |
| 11 | NOS | ADK, NOS |
| 12 | NOS | ADK, NOS |
| 13 | NOS | ADK, NOS |
| 14 | NOS | Mucinous component |
| 15 | NOS | ADK, NOS |
| 16 | ADS | Nonkeratinizant squamous component |
| 17 | NOS | ADK, NOS |
| 18 | NOS | ADK, NOS |
| 19 | NOS | ADK, NOS |
| 20 | NOS | ADK, NOS |
| 21 | NOS | ADK, NOS |
| 22 | NOS | ADK, NOS |
| 23 | NOS | ADK, NOS |
| 24 | NOS | ADK, NOS |
| 25 | Signet ring; mucinous | Mucinous component |
| 26 | Signet ring; mucinous | Mucinous component |
| 27 | NOS | ADK, NOS |
| 28 | NOS | ADK, NOS |
| 29 | NOS | ADK, NOS |