Table 1.
Sample ID |
Diagnosis | Histologic gradea |
Triple- negative phenotypeb |
Metaplastic element present (diagnostic) | Matrix- producing |
Component in frozen sample |
|||
---|---|---|---|---|---|---|---|---|---|
Spindle | Squamous | Chondroid | Osseous | ||||||
META33 | Carcinoma with mesenchymal elements | 3 | Yes | + | Chondroid | ||||
META52 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | Chondroid | |||
META32 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | Spindle | |||
META39 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | Spindle | |||
META58 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | Spindle | |||
META59 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | + | Spindle | ||
META41 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | Squamous | |||
META43 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | + | Squamous | ||
META62 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | + | Squamous | ||
META30 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | Chondroid | |||
META31 | Carcinoma with mesenchymal elements | 2 | Yes | + | + | Chondroid | |||
META53 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | Chondroid | |||
META64 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | Chondroid | |||
META36 | Carcinoma with mesenchymal elements | 2 | Yes | + | + | Chondroid | |||
META55 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | Chondroid | |||
META44 | Carcinoma with mesenchymal elements | 3 | Yes | + | + | + | Squamous | ||
META42 | Carcinoma with squamous metaplasia | 3 | Yes | + | Squamous | ||||
META46 | Carcinoma with squamous metaplasia | 3 | Yes | + | Squamous | ||||
META34 | Carcinoma with squamous metaplasia | 3 | Yes | + | Squamous | ||||
META37 | Carcinoma with squamous metaplasia | 3 | Yes | + | + | Squamous | |||
META47 | Spindle cell carcinoma | 3 | Yes | + | Spindle | ||||
META49 | Spindle cell carcinoma | 3 | Yes | + | Spindle | ||||
META56 | Spindle cell carcinoma | 3 | Yes | + | Spindle | ||||
META57 | Spindle cell carcinoma | 3 | Yes | + | Spindle | ||||
META60 | Spindle cell carcinoma | 3 | Yes | + | Spindle | ||||
META65 | Spindle cell carcinoma | 3 | Yes | + | Spindle | ||||
META45 | Spindle cell carcinoma | 3 | Yes | + | + | Squamous | |||
META40 | Spindle cell carcinoma | 3 | Yes | + | + | Squamous |
+, present.
Histologic grading was performed according to Nottingham grading index.21
Triple-negative phenotype: lack of estrogen receptor, progesterone receptor, and HER2 expression.