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Zorluk: ZorBreast Disorders

During a routine prenatal visit, a 34-year-old primigravida at 16 weeks gestation reports a newly discovered lump in her left breast. She states she noticed the abnormality approximately three weeks ago while showering. She has no significant past medical history and no family history of breast or ovarian cancer. Vital signs are within normal limits. Physical examination reveals a 2.5-cm, hard, fixed mass in the upper outer quadrant of the left breast. There is no nipple retraction, skin dimpling, or palpable axillary adenopathy. A targeted ultrasound of the breast is performed and demonstrates a 2.6-cm solid, hypoechoic lesion with irregular, spiculated margins and posterior acoustic shadowing. Which of the following is the most appropriate next step in management?

  1. A
    Diagnostic mammography with abdominal shielding
  2. B
    Deferral of further evaluation until the postpartum period
  3. C
    Fine-needle aspiration of the breast lesion
  4. Core needle biopsy of the massCevap
  5. E
    Empiric treatment with oral antibiotics and warm compresses

Cevap

Core needle biopsy of the mass
The most appropriate next step in management is a core needle biopsy of the mass. This patient presents with a newly palpable breast mass during pregnancy, and the initial targeted ultrasound demonstrates highly suspicious features (a solid, hypoechoic lesion with irregular, spiculated margins). In any patient presenting with a highly suspicious breast mass on ultrasound, a core needle biopsy is required to obtain a definitive histologic diagnosis. Core needle biopsy is safe to perform during pregnancy under local anesthesia. It is the gold standard for evaluating solid breast masses because it provides intact tissue architecture, allowing pathologists to differentiate between invasive carcinoma and non-invasive in situ disease, as well as to accurately determine estrogen/progesterone receptor and HER2 status.

Adım Adım Çözüm

1
Analyze the patient's presentation and demographics
The patient is a 34-year-old pregnant woman presenting with a new, hard, fixed breast mass.
Pregnancy alters breast tissue physiologically, but discrete, firm masses must still be thoroughly evaluated to rule out malignancy.
2
Evaluate the initial diagnostic imaging findings
Targeted ultrasound shows a highly suspicious solid, spiculated mass with posterior acoustic shadowing.
Ultrasound is the initial imaging modality of choice for pregnant women and has successfully identified a lesion requiring definitive diagnosis.
3
Determine the definitive next step in management
Core needle biopsy is selected over further imaging, inadequate sampling, or observation.
Tissue histology is absolutely required to formally diagnose breast cancer, determine tissue invasiveness, and obtain receptor status for treatment planning.

Anahtar Kavram

Management and diagnostic workup of suspicious breast masses during pregnancy
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Konular

Breast Disorders

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