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Review Question - QID 857

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QID 857 (Type "857" in App Search)
A 14-year-old boy sustains the injury shown in figure A. He subsequently develops compartment syndrome and requires fasciotomy. Injury to what artery is most likely responsible?
  • A

Peroneal

1%

38/2634

Posterior tibial

4%

105/2634

Middle geniculate

6%

162/2634

Saphenous

1%

17/2634

Anterior tibial recurrent

87%

2303/2634

  • A

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The anterior tibial artery lies on the anterior surface of the interosseous membrane and supplies the anterior compartment of the leg. The anterior tibial recurrent artery arises superiorly over the tibial tubercle to supply the anterior knee and can be injured by displaced fractures of the tubercle.

Pape et al stress that soft tissue disruption associated with tibial tubercle injuries are often under appreciated and compartment syndrome should be considered, especially in adolescent boys.

Incorrect Answers:
Answer 1: The peroneal artery is a branch off the posterior tibial artery distal to the knee joint, and descends in the posterior compartment.
Answer 2: The posterior tibial artery is a branch of the popliteal artery and carries blood to the posterior compartment of the leg and plantar surface of the foot.
Answer 3: The middle geniculate artery comes off of the popliteal artery and supplies the ACL.
Answer 4: The saphenous branch of descending genicular artery pierces the aponeurotic covering of the adductor canal, and accompanies the saphenous nerve to the medial side of the knee.

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