Characteristic cytological properties - arrangement of cells
Medullary cancer - Case 10

Most often the cells of medullary cancer occur dissociated without any structure.
 
Medullary cancer - Case 9

Loose syncytal arrangement is alsoa  characteristic of medullary cancer.
 
Medullary cancer - Case 17

If loose monolayered clusters are present a lobular (left image) or solid, trabecular (right image) growth pattern can be observed.
   
Medullary cancer - Case 17

A lobular-trabecular growth pattern is demonstrated.

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