PathMD Quizes, Breast Breast – 01 October 29, 2017 peferguson Make sure to subscribe to PathMD to stay up to date with new content and features!! 1. All the following are associated with fibromatosis of the breast EXCEPT:Gardner syndrome PregnancyTraumaNeurofibromatosis type 1 2. After fibroadenoma, what is the most common focal mass lesion of the breast?Sclerosing adenosisFibrocystic Disease DCISPapillomaPhyllodes tumor 3. The malignant cells and Paget's disease may stain with all of the following EXCEPT:PASEMAER/PRCEAHigh molecular weight cytokeratins 4. In a phyllodes tumor the breast, what is the usual mitotic rate found in a borderline tumor?5-10 mitoses/50 hpf 10-<20 mitoses/50 hpf 5-10 mitoses/10 hpf <10 mitoses/10 hpf 10-20 mitoses/10 hpf 5. All the following are true with regards to fibroadenomas EXCEPT:Most common in women in their 20s-30s Are differentiated from fibroadenomatoid hyperplasia by the presence of a capsuleThe most common mass lesion in the breast More common in Afro-Caribbean women 6. 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 #3Elongated a lobular units with columnar cell alteration (ELUCA) None of the answers are correctFibrocystic changesDuctal carcinoma in situ with apocrine change Apocrine carcinoma 7. 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 #1FibroadenomaInvasive breast cancer None of the answers are correctLymphomaMedullary carcinoma 8. All the following are direct or obligate precursors to breast carcinoma EXCEPT:Sclerosing adenosisRadial scar PapillomaComplex sclerosing lesion 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 #2None of the answers are correctMedullary carcinoma FibroadenomaInvasive breast cancer Lymphoma 10. All of the following are positive in pseudo-angiomatous stromal hyperplasia EXCEPT:VimentinCD34CD31All the answers are positiveActin Loading...