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Author Question: What is the primary sinus cavity of interest on the Water's method? fontal ethmoid sphenoid ... (Read 53 times)

CharlieWard

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on: Jul 17, 2018
What is the primary sinus cavity of interest on the Water's method?
 
 fontal
  ethmoid
  sphenoid
  maxillary

Question 2

A patient is suspected to have a left pneumothorax. You have orders to image the patient to acquire an air-fluid level. Which position would best demonstrate this pathology?
 
 right lateral decubitus
  ventral decubitus
  left lateral decubitus
  dorsal decubitus


bassamabas

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Reply #1 on: Jul 17, 2018
Answer to Question 1

maxillary

Rationale: The maxillary sinuses are of greatest interest on the Water's method. The petrous pyramids should fall below the maxillary sinuses.

Answer to Question 2

right lateral decubitus

Rationale: For a patient with a left pneumothorax, the patient should be placed in a right lateral decubitus to allow the free air to collect in the lateral most portion of the left lung.


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