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Kaplan Qbank USMLE



Author6 Posts
  #1

1st aid says that Zollinger-Ellison and excess vit A cause hypercalcemia...does anyone know how???

thanx

  #2

Z-E is part of MEN-I which is tumors of pit. gland, parathryoid, and pancreas assoc. with peptic ulcers and Z-E synd.

have no clue about excessie Vit. A causing hypercalcemia

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Every disaster hides an opportunity.

  #3

Vitamin A in high doses, such as those found in retinoid therapy for acne, can directly stimulate bone resorption by functioning as a transcription factor in osteoclast stimulation. Trans-retinoic acid, used for treatment of some leukemias, can elevate calcium with this mechanism, particularly when coupled with voriconazole.

had to search for it


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FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #4

interesting smiling face

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Every disaster hides an opportunity.

  #5

cool

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life is guud

  #6

thanx!!!!!

  #7

How does hypercalcemia cause diabetes insipidus?








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