JPM, Vol. 13, Pages 66: Ultrasound-Guided Injection of Autologous Platelet-Rich Plasma for Refractory Lateral Epicondylitis of Humerus: Case Series

Figure 1. The ultrasound images of the lateral side of the left elbow affected with refractory lateral epicondylitis (case one) at the baseline. Bilateral comparison of the common extensor tendons: left elbow (affected side) and right elbow (unaffected side). The arrow points to the diseased tendon.

Figure 1. The ultrasound images of the lateral side of the left elbow affected with refractory lateral epicondylitis (case one) at the baseline. Bilateral comparison of the common extensor tendons: left elbow (affected side) and right elbow (unaffected side). The arrow points to the diseased tendon.

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Figure 2. The ultrasound images of the lateral side of the right elbow affected with refractory lateral epicondylitis (case two) at the baseline. The arrow points to the damaged tendon.

Figure 2. The ultrasound images of the lateral side of the right elbow affected with refractory lateral epicondylitis (case two) at the baseline. The arrow points to the damaged tendon.

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Figure 3. Summary of ultrasound-guided platelet-rich plasma (PRP) injection. Patient with refractory lateral epicondylitis sitting in front of a table with his forearm on it. (a) Ultrasound images of the radial head, the lateral epicondyle of the humerus, and the surrounding soft tissues obtained with a 13–6 Mhz probe. (b) Ultrasound-guided PRP administration into the injured common tendon of the external epicondyle of the humerus.

Figure 3. Summary of ultrasound-guided platelet-rich plasma (PRP) injection. Patient with refractory lateral epicondylitis sitting in front of a table with his forearm on it. (a) Ultrasound images of the radial head, the lateral epicondyle of the humerus, and the surrounding soft tissues obtained with a 13–6 Mhz probe. (b) Ultrasound-guided PRP administration into the injured common tendon of the external epicondyle of the humerus.

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Figure 4. Ultrasound images of the lateral side of the left elbow of a patient with refractory lateral epicondylitis (case one) at baseline (a) and four weeks from the baseline (b). Bilateral comparison of the common extensor tendons: left elbow (affected side) and right elbow (unaffected side). The triangle points to the lateral epicondyle of the humerus. The asterisk marks the anechoic area formed by the extensor tendon tear. Double-arrowhead solid lines show the thickening of the extensor tendons.

Figure 4. Ultrasound images of the lateral side of the left elbow of a patient with refractory lateral epicondylitis (case one) at baseline (a) and four weeks from the baseline (b). Bilateral comparison of the common extensor tendons: left elbow (affected side) and right elbow (unaffected side). The triangle points to the lateral epicondyle of the humerus. The asterisk marks the anechoic area formed by the extensor tendon tear. Double-arrowhead solid lines show the thickening of the extensor tendons.

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Figure 5. Ultrasound images of the lateral side of the right elbow of a patient with refractory lateral epicondylitis (case two) at baseline (a), and two (b) or four (c) weeks from baseline. The triangle refers to the lateral epicondyle of the humerus. The asterisk denotes the anechoic area formed by the torn extensor tendon. Double-arrowhead solid lines show the thickening of the extensor tendons.

Figure 5. Ultrasound images of the lateral side of the right elbow of a patient with refractory lateral epicondylitis (case two) at baseline (a), and two (b) or four (c) weeks from baseline. The triangle refers to the lateral epicondyle of the humerus. The asterisk denotes the anechoic area formed by the torn extensor tendon. Double-arrowhead solid lines show the thickening of the extensor tendons.

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Table 1. Visual analogue scale (VAS) and patient-rated tennis elbow evaluation (PRTEE) scores of a patient with refractory lateral epicondylitis (case one) during baseline (before the first PRP injection) and four weeks or three months after baseline.

Table 1. Visual analogue scale (VAS) and patient-rated tennis elbow evaluation (PRTEE) scores of a patient with refractory lateral epicondylitis (case one) during baseline (before the first PRP injection) and four weeks or three months after baseline.

Changes in VAS Score and PRTEE Score of Case One VAS
(at Rest)
(0–10)VAS
(during Activity)
(0–10)PRTEE
(0–100)Pain Subscale of PRTEE
(0–50)Functional Subscale of PRTEE
(0–50)Baseline (before the first PRP injection)4753.52726.54 weeks after baseline (Day 28)2315.596.53 months after baseline (Day 90)026.542.5

Table 2. Visual analogue scale (VAS) and patient-rated tennis elbow evaluation (PRTEE) scores of a patient with refractory lateral epicondylitis (case two) during baseline (before the first PRP injection) and four weeks or three months after baseline.

Table 2. Visual analogue scale (VAS) and patient-rated tennis elbow evaluation (PRTEE) scores of a patient with refractory lateral epicondylitis (case two) during baseline (before the first PRP injection) and four weeks or three months after baseline.

Changes in VAS Score and PRTEE Score of Case Two VAS
(at Rest)
(0–10)VAS
(during Activity)
(0–10)PRTEE
(0–100)Pain Subscale of PRTEE
(0–50)Functional Subscale of PRTEE
(0–50)Baseline (before the first PRP injection)4865.53030.54 weeks after baseline (Day 28)24181083 months after baseline (Day 90)02954

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