Features of computed tomography (CT ), sinuses


1. When appointed?

2. How to prepare?

Computed tomography (CT) scan of the paranasal sinuses is a noninvasive diagnostic tests that help medical professionals detect and treat diseases of sinuses (hollow, air-filled structures located around the nasal cavity).

By sinuses are:

  • maxillary (maxillary) sinuses;
  • grid maze;
  • frontal sinus;
  • sphenoid sinus.

CT scan of the sinuses gives doctors detailed information about the anatomy and pathological processes sinuses.As a rule, the direction of this study gives an audiologist.

CT is performed with the use of modern computers and special X-ray equipment.During the procedure, these devices make it possible to get a lot of pictures or images of internal body parts.After the examination, the radiologist carefully examines the images and prints them on the X-ray film or a digital recording medium.

CT sinuses appointed to determine the causes of headaches, nasal congestion long and hyperthermia, difficult to treat.This study was also c

arried out for the detection of benign and malignant tumors of the paranasal sinuses and nasal mucosa, as well as to clarify the location of the damaged bone tissue and foreign bodies.

survey begins with the placement of the patient on the scanner table.The patient lies down or on the back or face down with a raised chin.During the examination table with the patient placed in a CT scanner, which is located inside the electronic X-ray tubes and detectors.During the study, the patient can not move, as any movement lead to a deterioration of image quality.The entire procedure takes about 10-15 minutes.

After studying images radiologist sends a detailed report audiologist.The patient receives a conclusion, a CD with images and films that can be transferred to the attending physician.

main advantages of CT scan of the paranasal sinuses are:

  • safety procedures.
  • quality imaging sinuses.
  • Painless study.
  • Accurate diagnosis of diseases of the nasal sinuses.

When appointed?

CT scan of the sinuses has the following indications:

  • Inflammatory diseases of the paranasal sinuses, which period of time do not give antibiotics.
  • planning surgery or corrective operations on the upper respiratory tract.
  • diagnosis and staging of cancer.
  • monitoring the effectiveness of treatment of ENT diseases.
  • Fracture of skull base or the eye socket walls.
  • Suspected injury to the facial bones of the skull, which is accompanied by gematosinusitom (accumulation of blood in the sinuses).
  • Visualization bone malformations.
  • presence of a foreign body in the nasal cavity.

How to prepare?

CT sinuses does not require special preparation of the patient.Before the procedure, the patient must take off all jewelry, hairpins and hair clips, watches, dentures and hearing aids.The fairer sex are obliged to inform the doctor about the possible pregnancy.

Before computed tomography of the paranasal sinuses, which will be held with contrast, the patient should inform the doctor about the presence of allergic reactions.

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