Breast Flashcards
A 65-year-old woman with a family history of breast cancer is worried about her odds of developing breast cancer. Which of the following would also increase her risk?
Early onset of menarche
A 55-year-old woman presents with a 0.5-cm invasive carcinoma of the breast, detected on mammography. What would be the appropriate local therapy for the tumor?
Local excision and axillary dissection followed by radiation therapy
A 15-year-old black girl has her left breast removed because of a large mass. The tumor weighs 1350 g and has a bulging, very firm, lobulated surface with a whorl-like pattern. Which of the following is the most likely diagnosis?
Fibroadenoma
A 60-year-old woman who has a history of severe depression and a radical mastectomy for carcinoma of the breast one year previously develops polyuria, nocturia, and excessive thirst. Laboratory values are as follows:
Serum electrolytes Na 1 149 meq/L; K3.6 meq/L
Serum calcium: 9.5 mg/dL
Blood glucose 110 mg/dL
Blood urea nitrogen 30 mg/dL
Urine osmolality: 150 mOsm/kg
Diabetes insipidus
A 54-year-old woman with a history of left mastectomy and subsequent radiation therapy for breast cancer two years ago presents with a 3-cm mass along the edge of the surgical suture line. She denies fever, chills, weight loss, and night sweats. Physical examination reveals some generalized induration and a tanned appearance of the skin overlying the mastectomy secondary to radiation therapy. There is a nonmobile nontender mass along the suture line that is not warm or fluctuant. She has no axillary lymphadenopathy. A biopsy specimen of the breast mass is most likely to show which of the following?
Malignancy
Which of the following side effects is relatively common immediately after isosulfan blue dye injection for mapping and sentinel node identification?
Spurious pulse oximeter reading
Which of the following statements best describes the long thoracic nerve?
If damaged causes winged scapula
Axillary lymph nodes are classified according to their relationship with which muscle?
Pectoralis minor
Which of the following best describes the BRCA2 gene?
It is associated with a 40% lifetime risk of ovarian cancer
A 40-year old female presents to the clinic with a palpable mass. On physical examination, the mass is a 1 cm, mobile, firm nodule at 2:00 position. What is the next best step in management for this new mass?
Mammogram
Which of the following statements best describes breast MRIs?
They allow for easy acquisition of tissue for pathologic diagnosis (not sure)
Which is the most common cause of a bloody nipple discharge?
Intraductal papilloma
Which of the following statements is most characteristic of phylloides tumor?
They tend to recur
A 34-year old woman is referred for evaluation of breast pain. It is described as burning, occasionally sharp and located in the subareolar area. It is always present and unilateral. On physical exam, she has dense tissue in both breasts, but no discrete nodules. What is the best working diagnosis?
Noncyclic breast pain
treatment-reassurance
Following a needle localized excisional biopsy for microcalcifications, pathology is found to be fibrocystic changes associated with sclerosing adenosis and ductal hyperplasia. There was no atypia, but lobular carcinoma in situ (LCIS) was present. What is the next best step in management?
Tell the patient that she has future cancer risk of 1% per year