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Table 5 – Vascularity Grading System

From: Non-pharmacological interventions and corticosteroid injections for the management of the Achilles tendon in inflammatory arthritis: a systematic review

Vascularity Grade

Huang et al. [26]

Srivastava & Aggarwal [27]

0

N/A

No Power Doppler signals

1

No flow signal

≤3 Power Doppler signals

2

Presence of separate dot signals or short linear signals

> 3 Power Doppler signals occupying < 50% of the lesion

3

Presence of clearly discernible vascularity with either many small vessels or several long vessels with or without visible branching though involving less than half of the entheses

Power Doppler signals occupying > 50% of the lesional area

4

Severe flow signal refers to the presence of vessels involving more than half of the entheses

N/A