Persistent Sciatic Artery Aneurysm with Lower Limb Ischemia
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Case Presentation
A 60-year-old female presented with swelling in the left gluteal region for the last 2 years. The patient also complained of pain in the swelling for the past 6 months. Additionally the patient gave history of pain in the left lower limb for the past month with blackening of the toes of left lower limb for the past week.

The patient was found to be hypertensive on general examination. Fine needle aspiration cytology was attempted at a peripheral health centre, and on aspiration of blood, patient was urgently referred to our hospital.

Local examination revealed a swelling of about 6 × 6?cms in the left gluteal region. The swelling was cystic in consistency with ill-defined margins and was visibly pulsatile. Additionally, there were ischemic changes in the left lower limb with gangrene of the 1st and 2nd toes. Arterial examination revealed a cool left lower extremity with severely diminished femoral pulse, a normal popliteal pulse, and absent anterior tibial and dorsalis pedis pulse. The arterial pulses on the right side were normally palpable.....

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3971856/
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