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Author Question: On barium enema, colon cancer may appear as an apple core (a constricting lesion) or a mass with a ... (Read 80 times)

gbarreiro

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on: Jun 27, 2018
On barium enema, colon cancer may appear as an apple core (a constricting lesion) or a mass with a filling defect. What is a filling defect?
 
  What will be an ideal response?

Question 2

Why are aromatase inhibitors used in postmenopausal women to reduce estrogen levels? (hint: What is the source of estrogen in women with nonfunctioning or surgically removed ovaries?)
 
  What will be an ideal response?


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Hikerman221

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Reply #1 on: Jun 27, 2018
Answer to Question 1

An anatomical change that prevents contrast material from filling (flowing into and outlining) an anatomical space.

Answer to Question 2

The main source of estrogen in postmenopausal females is from the conversion of testosterone to estrogen. Postmenopausal women continue to produce testosterone in the adrenal glands. Testosterone is converted to estrogen by aromatase. Estrogen produced from the adrenal glands by way of testosterone conversion can be controlled by inhibiting aromatase (using aromatase inhibitors).


gbarreiro

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Reply 2 on: Jun 27, 2018
Great answer, keep it coming :)

peter

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Reply 3 on: Yesterday
Excellent

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