I72.4

Clinical Causes: Atherosclerosis (buildup of fatty deposits in artery walls) Trauma or injury to the leg arteries Inherited connective tissue disorders, such as Marfan syndrome or Ehlers-Danlos syndrome Infections that weaken arterial walls High blood pressure increasing stress on arterial walls Previous arterial surgical procedures or interventions

Key Symptoms: Leg pain during activity (claudication) A visible or palpable bulge in the thigh or calf Swelling or a feeling of fullness in the affected area Weakness or numbness in the leg Color change or coldness in the affected limb In some cases, no symptoms are present until complications arise

Diagnosis Path: Diagnosis typically involves a combination of physical examinations and imaging tests. Healthcare professionals may perform: - **Ultrasound** (duplex Doppler imaging) to visualize blood flow and detect aneurysms - **Computed Tomography Angiography (CTA)** for detailed images of blood vessels - **Magnetic Resonance Angiography (MRA)** for non-invasive vascular imaging - **Physical Examination** to identify palpable pulsatile masses or abnormal blood flow signs These assessments help determine the size, location, and potential risk of rupture of the aneurysm.

Treatment Protocols: Treatment options depend on the aneurysm’s size, location, and the risk of complications. Common approaches include: - **Regular monitoring** for small, asymptomatic aneurysms - **Surgical repair** to remove or bypass the aneurysm if it poses a risk of rupture or complications - **Endovascular procedures**, such as stent placement, to reinforce weakened arterial walls - **Managing underlying conditions** like hypertension or atherosclerosis to slow progression Early intervention can prevent serious outcomes such as arterial rupture or limb loss, highlighting the importance of medical consultation upon discovery of symptoms or signs.