Breast – 01

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1. In a phyllodes tumor the breast, what is the usual mitotic rate found in a borderline tumor?
2. All of the following are positive in pseudo-angiomatous stromal hyperplasia EXCEPT:
3. All the following are direct or obligate precursors to breast carcinoma EXCEPT:
4. The malignant cells and Paget's disease may stain with all of the following EXCEPT:
5. All the following are associated with fibromatosis of the breast EXCEPT:
6. An irregular breast mass was found on self examination by a 46-year-old female. A FNA was performed and representative images are shown for this case, which highlight cells with atypical cytology that are discohesive and in a clean background. What is the best diagnosis?

Breast - Part 1, Question #1
Breast - Part 1, Question #1


Breast - Part 1, Question #1
Breast - Part 1, Question #1


Breast - Part 1, Question #1
Breast - Part 1, Question #1
7. After fibroadenoma, what is the most common focal mass lesion of the breast?
8. All the following are true with regards to fibroadenomas EXCEPT:
9. During pregnancy a 36-year-old female noted an enlarging breast mass 4 cm in greatest dimension. A FNA was performed and representative cytologic images are shown. Based on these findings, what is the best diagnosis?

Breast - Part 1, Question #2
Breast - Part 1, Question #2


Breast - Part 1, Question #2
Breast - Part 1, Question #2
10. Multiple masses are noted in the breast of a 40-year-old female. To reassure the patient, an excision was performed and a representative image of the histology is shown. Based on these findings, what is the best diagnosis?

Breast - Part 1, Question #3
Breast - Part 1, Question #3