Vascular: Adventitial Cystic Disease (ACD)

Adventitial Cystic Disease (ACD)

Basics

  • Definition: Cyst Forms Within Adventitia
  • Most Common Site: Popliteal Fossa (80%)
  • Most Common in Men
  • Presentation: Intermittent Claudication & Changes with Flexion/Extension

Diagnosis

  • Diagnosis: Duplex US & CT/MRI
  • “Scimitar Sign” – Eccentric Compression of the Popliteal Artery with Lateral Displacement (Resembling a Scimitar Sword)

Treatment

  • Treatment Options: Cyst Aspiration, Excision or Resection

Popliteal Adventitial Cystic Disease 1

“Scimitar Sign” 2

Popliteal Adventitial Cystic Disease 3

References

  1. Jarraya M, Simmons S, Farber A, Teytelboym O, Naggara N, Guermazi A. Uncommon Diseases of The Popliteal Artery: A Pictorial Review. Insights Imaging. 2016 Oct;7(5):679-88. (License: CC BY-4.0)
  2. Kim HK, Hwang D, Park S, Jeong WJ, Seo AN, Huh S. Cystic Disease of the Groin Presenting as Compression of a Femoral Vessel. Vasc Specialist Int. 2016 Sep;32(3):124-128. (License: CC BY-NC-4.0)
  3. Maeng YH, Chang JW, Kim SH. Cystic adventitial disease of the popliteal artery: resection and repair with autologous vein patch. Korean J Thorac Cardiovasc Surg. 2011 Jun;44(3):266-8. (License: CC BY-NC-3.0)