A
B
Histologic Features
At higher magnification, tumor in the small nodule had two different appearances.
|
A |
B |
|
Medium-sized cells in sheets |
Smaller cells in sheets |
|
Thin-walled vessels |
Thin-walled vessels |
|
Round to ovoid nuclei with finely-divided chromatin |
Angulated, crowded, hyperchromatic nuclei |
|
A |
B |
The mitotic rate was the same in both areas, about 5 per 10 high power fields. The arrows mark two mitoses in A. Tumor was found in lymphatics.
Clinical summary
Image 4