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WHO腫瘤分類 > Anal Canal Tumors
WHO histological classification of tumors of the anal canal
- Epithelial tumors
- Intraepithelial neoplasia (dysplasia)
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Squamous or transitional epithelium
Glandular
Peget disease - ICD-O 8542/3
- Carcinoma
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Squamous cell carcinoma - ICD-O 8070/3
Adenocarcinoma - ICD-O 8140/3
Mucinous adenocarcinoma - ICD-O 8480/3
Small cell carcinoma - ICD-O 8041/3
Undifferentiated carcinoma - ICD-O 8020/3
Others
- Carcinoid tumor
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Malignant melanoma - ICD-O 8720/3
- Non-epithelial tumors
- Secondary tumors
