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Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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The external iliac artery transitions out of the body cavity, entering the femoral region of the lower leg, and is renamed the femoral artery at the point where it traverses the body wall. This artery is responsible for the distribution of blood to the thigh's deep muscles and the skin's ventral and lateral regions, achieved through several minor branches and the lateral deep femoral artery, which also spawns a lateral circumflex artery. The knee area receives blood from the genicular...
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Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
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Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
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Persistent sciatic artery an incidental finding.

Adil Omer1, Maitham Alkadumi1, Sandhya Jupalli1

  • 1Department of Radiology, NYC Health + Hospitals | Harlem, New York, USA.

Radiology Case Reports
|May 26, 2021
PubMed
Summary

Persistent sciatic artery is a rare vascular anomaly where the sciatic artery fails to regress during fetal development. This incidental finding in a patient with a leg ulcer required no intervention, highlighting the importance of follow-up for asymptomatic cases.

Keywords:
AneurysmPersistentSciatic artery

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Area of Science:

  • Vascular Anatomy
  • Embryology
  • Radiology

Background:

  • Persistent sciatic artery is a rare congenital anomaly, a direct continuation of the internal iliac artery.
  • It arises from the failure of the sciatic artery to regress during fetal development.
  • This condition can lead to serious complications like aneurysms and thromboembolism.

Observation:

  • A 43-year-old male presented with a right leg ulcer.
  • Computed Tomography (CT) with intravenous (IV) contrast revealed an incidental finding of persistent sciatic artery.
  • The CT scan was initially performed to evaluate for abscess formation.

Findings:

  • The patient was diagnosed with an incidental persistent sciatic artery.
  • The condition was an incidental finding during imaging for a separate issue.
  • No immediate intervention was required for the asymptomatic persistent sciatic artery.

Implications:

  • Asymptomatic persistent sciatic artery necessitates regular follow-up.
  • Early detection is crucial due to potential complications like aneurysm formation.
  • Understanding this anomaly aids in managing patients with leg ulcers and vascular abnormalities.