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In which cases is Blondeau's position x-ray indicated?

This article is professionally consulted by Master, Resident Doctor Tran Duc Tuan - Department of Diagnostic Imaging - Vinmec Central Park International General Hospital.

Blondeau position x-ray helps to clearly reveal the skull base structures, the occipital bone is pictured below, the facial sinuses (frontal, light, jaw) and the fovea are clearly seen in the upper part of the film. In addition, the Blondeau position shows the cheekbones and the lower jawbone.

1. In which case is Blondeau position x-ray indicated?


Blondeau position x-ray is indicated in cases of investigation of the pathology of the nose such as tumor, overgrowth of the nose; maxillary sinus, frontal sinus, bone trauma around the orbit, cheekbones. Especially in cases of sinus disease, Blondeau position x-ray helps to diagnose accurately, bringing high treatment value to patients with maxillary sinus, frontal sinus, mastoid sinus, sphenoid sinus, ethmoid sinus,...
Phuong This radiographic method is not an absolute contraindication, but it is a relative contraindication for pregnant women.
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Người bệnh mắc bệnh lý xoang vùng mặt có thể được chỉ định chụp x quang tư thế Blondeau

2. Take Blondeau's position x-ray


Instruments such as x-ray machine, right and left marks, doctor's order card are fully prepared and stabilized before taking pictures. The doctor or technician will perform the Blondeau position x-ray for the patient. The patient must remove the earrings, necklace, and hairpins if present before being invited into the imaging room with detailed explanations and necessary instructions during the x-ray process.
Steps to take:
Instruct the patient to lie on a table with legs stretched out, arms along the body.
Nose and forehead close to the table.
With the patient in the prone position:
The patient's chin is resting on the table with the patient's face slightly supine. The x-ray ball is projected 20 degrees below the foot.
Chụp x quang tư thế Blondeau
Chụp x quang tư thế Blondeau

With the patient lying supine:
The occipital neck close to the film is pushed upwards. Align the front plane perpendicular to the film to the center of the film vertically. The x-ray ball is projected overhead at an angle of 30 degrees relative to the plane. Instruct the patient to remain in the position. Film shadow distance 1m, focus x-ray beam. Check the buttons on the control cabinet, observe the patient through the glass, press the x-ray generator button. Invite the patient out of the waiting room. Adjust the contrast, check the balance of images on the film, print the film, compare with satisfactory film standards.

3. Evaluation of the results


Posture when standing on the edge of the bone, projecting into the bottom of the maxillary sinus, the median longitudinal plane is the axis of symmetry of the film. Normal image: the nasal cavity has a clear space of the cleft, the maxillary sinuses, the sphenoidal sinuses, the frontal sinuses. are all bright, the bone walls are clear. The base of the skull and occipital bone is shown below, the facial sinuses, the fovea will be clearly seen in the upper part of the film. In addition to the frontal, ethmoid, maxillary, and orbital sinuses, the zygomatic and submandibular arcs can also be seen. Quality rays with sharp definition, clear contrast on film Films with full name, date of capture The doctor reads the lesion, describes it on a connected computer, prints the results, and can advise expertise for the patient if required.
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Kết quả phim chụp x quang tư thế Blondeau

Blondeau position x-ray did not occur accidents, there were only some errors during the shooting process because the patient did not keep still, making the images of the sinuses and cheekbones not clear.
Patients with disease in the nose, sinuses, trauma around the eye socket, cheekbones can be prescribed Blondeau position x-ray according to the examination and treatment process of a specialist.
Master, Doctor Tran Duc Tuan is well-trained in the country and many centers have prestigious medical background in the world such as: Australia, Singapore, Thailand... The doctor has many years of experience in the field of medicine. imaging and endovascular and extravascular interventions. Currently, the doctor is working at the Department of Diagnostic Imaging and Interventional Vascular Unit - Vinmec Central Park International General Hospital.
At Vinmec International General Hospital, Blondeau position x-ray is performed by a team of highly qualified and experienced doctors and radiologists, helping to produce clear x-ray images. to accurately diagnose the patient's condition. Contact Vinmec here for advice on Blondeau position x-ray.

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