Female 76 years old Reason: looking for subQ abscess related to tunneled catheter History: peri-catheter erythema and tenderness, purulence Ultrasound attention to the area of previous catheter insertion showed 1.7 x 0.5 x 0.7 cm hypoechoic area, just under the skin, without blood flow on color Doppler imaging that may represent irregular small collection. It might be fluid with debris is this some suggestion of posterior enhancement.
Small hypoechoic possibly fluid collection is measured above. Infected fluid collection cannot be excluded.