Clinicopathological features of metaplastic breast carcinomas
| Case/Histology | Age | T stage | N stage (n+/n)* |
|---|---|---|---|
| *n+/n, positive lymph nodes/total number of lymph nodes; †lung metastases 2 years after diagnosis of the primary tumour; ‡local recurrence 2 years after diagnosis of the primary tumour. | |||
| apo, apocrine features; casa, carcinosarcoma; ep, epithelioid; fasc, fascicular; GC, giant cells; het, heterologous elements; mat, matrix producing. | |||
| 1 Spindle/het | 64 | pT3 | pN1a /1/14) |
| 2 Spindle/ep/het | 91 | pT1c | pN0 |
| 3 Spindle/ep/het/GC | 37 | pT2 | pN1a (3/14) |
| 4 Spindle/het/GC | 62 | pT2 | pNx (0/1) |
| 5 Spindle/het/GC | 53 | pT3 | pN0 (0/12)† |
| 6 Spindle/het/GC | 41 | pT2 | pNx |
| 7 Spindle/mat | 60 | pT1c | pN0 (0/9) |
| 8 Spindle/het/GC | 45 | pT3 | pN0 (0/37)‡ |
| 9 Spindle/het/apo | 77 | pT2 | pN1a (3/12) |
| 10 Spindle/fasc | 75 | pTx | pNx |
| 11 Spindle/ep/GC | 39 | pT2 | pN1a (1/18) |
| 12 Spindle/fasc | 73 | pT2 | pN0 (0/9) |
| 13 Spindle/fasc | 77 | pT2 | pN0 (0/10) |
| 14 Spindle/fasc | 74 | pT4 | pN0 (0/19) |
| 15 Spindle/fasc | 51 | pT4a | pN0 (0/7)‡ |
| 16 Spindle/fasc | 81 | pT4c | pNx |
| 17 Casa/spindle/GC | 43 | pT3 | pN2a (5/12) |
| 18 Casa/spindle | 52 | pT4c | pNx |
| 19 Casa/spindle/fasc | 44 | pT1c | pN0 (0/9) |
| 20 Casa/spindle/fasc | 81 | pT2 | pNx |