Angiography of maxillofacial area
Last reviewed: 23.04.2024
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Angiography - contrast radiographic examination of the arteries (arteriography) and veins (venography) of the maxillofacial region - carried out by:
- percutaneous puncture of the external carotid artery;
- retrograde catheterization of the external carotid artery through the superficial temporal or facial artery;
- percutaneous catheterization according to Seldinger's method through the femoral or common carotid artery with insertion of a catheter into the external carotid artery.
After catheterization of the external carotid artery or one of its branches (selective angiography), 5 to 15 ml of contrast medium (verografine, urographine, omnipak, etc.) are injected into the vessel and a series of images is taken.
Angiography is used to diagnose anomalies and diseases of the vascular system (hemangiomas, juvenile angiofibromas of the base of the skull); perform also X-ray embolization in the treatment of hemangiomas of the maxillofacial region.
Contraindications in the study are hypersensitivity to iodine, active pulmonary tuberculosis, liver and kidney damage, fresh myocardial infarction and stroke, the general severe condition of the patient.
Direct lymphography is carried out after the introduction into the thickness of the skin of a colorant for the visualization of lymphatic vessels. The incision for the finding of the vessel for cosmetic reasons is performed in the behind-eye area and ultra-liquid lipoiodol is introduced into the lymphatic vessel taken on the ligature. On the radiographs, lymphatic vessels and contrasted regional lymph nodes are visible.
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