Dacrocystography

What is the primary purpose of performing a dacryocystography?

• To assess nasal patency

• To evaluate the paranasal sinuses

• To visualize the lacrimal drainage system

• To detect orbital fractures

Which contrast medium is commonly used in dacryocystography?

• Barium sulfate

• Iodinated water-soluble contrast

• Gadolinium-based contrast

• Air

The first structure to receive the contrast medium in dacryocystography is the:

• Nasolacrimal duct
  

• Lacrimal sac

• Inferior meatus

• Canaliculus

Dacryocystography is primarily indicated for patients with:

• Diplopia
  
  

• Proptosis

• Epiphora

• Photophobia

The nasolacrimal duct drains into which part of the nasal cavity?

• Superior meatus
  

• Middle meatus

• Inferior meatus

• Nasopharynx