The American Society of Dermatopathology

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Interactive Case Study - August 2016

A mass in the breast of a 34-year-old female

M. Tye Haeberle, MD; Steven C. Meschter, MD

Question 1:

A 34-year-old female presented to the general surgery clinic with a 3.5cm mass of the right breast for 3-4 months. The area was painful during menses. She denied nipple discharge or changes. 

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Figure 1. 20x

Figure 2.100x

Figure 3. 400x

Figure 4. CD34 200x

Figure 5. Desmin 200x

What is the best diagnosis?