Σταδιοποίηση σε Ca Στοματικής Κοιλότητας & Χειλέων
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Ca Στοματικής Κοιλότητας & Χειλέων |
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AJCC Stages/Prognostic Groups |
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Stage |
Τ |
Ν |
Μ |
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0 |
Tis |
N0 |
M0 |
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I |
T1 |
N0 |
M0 |
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II |
T2 |
N0 |
M0 |
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III |
T3 |
N0 |
M0 |
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T1 |
N1 |
M0 |
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T2 |
N1 |
M0 |
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T3 |
N1 |
M0 |
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IVA |
T4a |
N0 |
M0 |
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T4a |
N1 |
M0 |
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T1 |
N2 |
M0 |
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T2 |
N2 |
M0 |
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T3 |
N2 |
M0 |
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T4a |
N2 |
M0 |
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IVB |
Any T |
N3 |
M0 |
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T4b |
Any N |
M0 |
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IVC |
Any T |
Any N |
M1 |
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(T) Primary Tumor |
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TX |
Primary tumor cannot be assessed |
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T0 |
No evidence of primary tumor |
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Tis |
Carcinoma in situ |
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T1 |
Tumor ≤ 2 cm in greatest dimension |
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T2 |
Tumor > 2 cm but ≤ 4 cm in greatest dimension |
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T3 |
Tumor > 4 cm in greatest dimension |
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T4a |
Moderately advanced local disease* |
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Lip |
Tumor invades through cortical bone, inferior alveolar nerve, floor of mouth, or skin of face, that is, chin or nose |
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Oral cavity |
Tumor invades adjacent structures only (e.g., through cortical bone [mandible or maxilla] into deep [extrinsic] muscle of tongue [genioglossus, hyoglossus, palatoglossus, and styloglossus], maxillary sinus, skin of face) |
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T4b |
Very advanced local disease: Tumor invades masticator space, pterygoid plates, or skull base &/or encases internal carotid artery |
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(N) Regional Lymph Nodes |
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X |
Regional lymph nodes cannot be assessed |
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N0 |
No regional lymph node metastasis |
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N1 |
Metastasis in a single ipsilateral lymph node, ≤ 3 cm in greatest dimension |
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N2 |
Metastasis in a single ipsilateral lymph node, > 3 cm but ≤ 6 cm in greatest dimension; or in multiple ipsilateral lymph nodes, none > 6 cm in greatest dimension; or in bilateral or contralateral lymph nodes, none > 6 cm in greatest dimension |
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N2a |
Metastasis in single ipsilateral lymph node > 3 cm but ≤ 6 cm in greatest dimension |
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N2b |
Metastasis in multiple ipsilateral lymph nodes, none > 6 cm in greatest dimension |
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N2c |
Metastasis in bilateral or contralateral lymph nodes, none > 6 cm in greatest dimension |
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N3 |
Metastasis in a lymph node > 6 cm in greatest dimension |
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(M) Distant Metastasis |
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M0 |
No distant metastasis |
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M1 |
Distant metastasis |
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(G) Histologic Grade |
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GX |
Grade cannot be assessed |
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G1 |
Well differentiated |
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G2 |
Moderately differentiated |
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G3 |
Poorly differentiated |
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G4 |
Undifferentiated |
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Χαρακτηριστικά Επέκτασης |
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Direct extension Nodal involvement through lymphatic spread
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Distant metastasis
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Κατηγοριοποίηση (Ιστολογικοί Τύποι) |
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Primary malignant tumors (WHO classification)
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