Reason: evaluate for abscess over left forearm AV fistula History: erythema, tenderness Along the anterior aspect of the venous outflow limb there is a heterogeneous area of mixed echogenicity measuring approximately 0.2 x 0.2 cm, likely representing eccentric thrombus. The venous outflow limb is patent. Subcutaneous edema or inflammation is seen along the anterior aspect of the forearm superficial to the fistula. No focal fluid collection or abscess is identified.
1. Mild subcutaneous edema along the anterior aspect of the forearm superficial to the AV fistula may represent cellulitis, however no focal fluid collections or abscesses are identified.