Fig. 5
From: Diagnostic accuracy of ultrasonography in the assessment of anterior knee pain
A 44-year-old male with joint edema and anterior subcutaneous edema. a Long axis ultrasound image illustrates joint effusion in the suprapatellar pouch. b Long axis ultrasound scan illustrates hypoechoic subcutaneous reticulations anterior to the patellar tendon (arrows). c Sagittal PDFS MRI illustrates joint effusion, prepatellar, and superficial infrapatellar reticular fluid intensities of edema. QT, quadriceps tendon; PT, patellar tendon; E, effusion; P, patella; T, tibia