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CT-guided drainage of deep pelvic abscess
When abscesses form deep in the pelvis and cannot be safely drained percutaneously through the anterior abdominal wall, they can be approached by inserting drainage catheters through the buttock (transgluteal), the vagina (transvaginal), or the rectum (transrectal). Often this is facilitated by the use of CT or ultrasound guidance depending on the approach chosen and […]
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Left subclavian-vertebral steal syndrome.
The vertebral artery is the first branch of the subclavian artery and supplies the hindbrain, while the internal mammary artery is its second branch and courses behind the anterior chest wall to anastomose with the ipsilateral inferior epigastric artery in the rectus sheath; it offers a nautural route for lower body perfusion in obstructive diseases of the thoracic aorta or is grafted to […]
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Left subclavian-vertebral steal syndrome. | Ken Ekechukwu, MD, MPH, FACP
Key: LVA, left vertebral artery; LSCA, left subclavian artery; LCCA, left common carotid artery; LIMA, left internal mammry artery The vertebral artery is the first branch of the subclavian artery and supplies the hindbrain, while the internal mammary artery is its second branch and courses behind the anterior chest wall to anastomose with the ipsilateral inferior epigastric artery in the […]