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Fig. 1 | JA Clinical Reports

Fig. 1

From: Persistent sciatic artery within the paraneural sheath of the sciatic nerve at the popliteal fossa

Fig. 1

Ultrasound image of an artery within the paraneural sheath between the tibial nerve (TN) and the common peroneal nerve (CPN) at slightly peripheral to the bifurcation of the sciatic nerve. A round hypoechoic pulsating structure (asterisk) was identified between two honeycomb structures (TN and CPN). The diameters of the artery between TN and CPN (asterisk) and the popliteal artery that were measured by the caliper function of the ultrasound machine were 3.2 × 4.2 mm and 5.0 × 6.1 mm, respectively. TN, tibial nerve; CPN, common peroneal nerve; BFM, biceps femoris muscle; STM, semitendinosus muscle; PA, popliteal artery; PV, popliteal vein

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