Differentials Flashcards
1
Q
Hemangiopericytoma (HPC)-like pattern (branching staghorn-like vessels)
A
2
Q
Storiform pattern (cartwheel-like arrangement of cells)
A
3
Q
Whorling pattern (concentric growth of tumor cells)
A
4
Q
Nested pattern (packets of cells with intervening stroma)
A
5
Q
Alveolar pattern (nests with central discohesion)
A
6
Q
Alveolar pattern (nests with central discohesion)
A
7
Q
Herringbone pattern (fascicles alternating at acute angles)
A
8
Q
Basaloid tumors (resembling basal cell carcinoma)
A
9
Q
Nuclear palisading in spindle cell tumors
A
10
Q
Biphasic tumors (epithelial and stromal components)
A
