Inflammatory Diseases of the Breast

Question 1

What is a common cause of acute mastitis? Typical bugs?

Answer 1

Common complication of breast feeding; Staph or Strep

Question 2

What condition is periductal mastitis associated with?

Answer 2

Smoking

Question 3

In undeveloped countries, what is a significant contributor to granulomatous mastitis?

Answer 3

TB

Question 4

What can breast implant silicone leakage lead to?

Answer 4

Granulomatous mastitis

Question 5

What typically causes sclerosing lymphocytic lobulitis?

Answer 5

Autoimmune Rxn

Question 6

What can duct ectasia lead to?

Answer 6

Duct rupture

Question 7

What is duct ectasia characterized by?

Answer 7

Dilatation, periductal inflammation, and fibrosis of large and intermediate breast ducts

Question 8

Duct Ectasia. What are the uscopic findings?

Answer 8

Dilated ducts containing amorphous debris and foamy macrophages

Question 9

What does fat necrosis mimic?

Answer 9

Carcinoma

Question 10

Fat necrosis is shown. What are the typical histo findings?

Answer 10

Abundant foamy histiocytes, multinucleated giant cells, cholesterol clefts, and calcification