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Click 52 year old female with thickened infrapatellar plica causing posterior hoffitis.
FINDINGS: Axial proton density fat saturated images demonstrating a separate type of infrapatellar plica appearing as a fan-shaped thickened hypointense structure coursing anterior to the anterior cruciate ligament. The fibers gradually become thinner anteriorly as they blend into Hoffa`s fat pad. Moreover, there are edematous changes localized to the posterior apex of Hoffa`s fat pad in keeping with focal hoffitis.
TECHNIQUE: Proton Density Turbo Spin Echo Fat Saturated (PD TSE FS) - TR=2570.0 ms, TE=25.0ms, ET=5, Flip angle=180.0 deg, 5mm slice thickness / 5mm separation; Magnet: Siemens Magnetom SymphonyTim 1.5 Tesla

Click 52 year old female with thickened infrapatellar plica causing posterior hoffitis.
FINDINGS: Sagittal proton density images demonstrating a separate type of infrapatellar plica appearing as a fan-shaped thickened hypointense structure coursing anterior to the anterior cruciate ligament. The fibers gradually become thinner anteriorly as they blend into Hoffa`s fat pad. Moreover, there are edematous changes localized to the posterior apex of Hoffa`s fat pad in keeping with focal hoffitis.
TECHNIQUE: Proton Density Turbo Spin Echo Fat Saturated (PD TSE FS) - TR=2500.0 ms, TE=26.0ms, ET=5, Flip angle=180.0 deg, 3.5mm slice thickness / 3.5mm separation; Magnet: Siemens Magnetom SymphonyTim 1.5 Tesla

Click 52 year old female with thickened infrapatellar plica causing posterior hoffitis.
FINDINGS: Coronal proton density fat saturated images demonstrating a separate type of infrapatellar plica appearing as a fan-shaped thickened hypointense structure coursing anterior to the anterior cruciate ligament. The fibers gradually become thinner anteriorly as they blend into Hoffa`s fat pad. Moreover, there are edematous changes localized to the posterior apex of Hoffa`s fat pad in keeping with focal hoffitis.
TECHNIQUE: Proton Density Turbo Spin Echo Fat Saturated (PD TSE FS) - TR=2500.0 ms, TE=26.0ms, ET=5, Flip angle=180.0 deg, 3.5mm slice thickness / 3.5mm separation; Magnet: Siemens Magnetom SymphonyTim 1.5 Tesla

Click 52 year old female with thickened infrapatellar plica causing posterior hoffitis.
FINDINGS: Sagittal double echo steady state images demonstrating a separate type of infrapatellar plica appearing as a fan-shaped thickened hypointense structure coursing anterior to the anterior cruciate ligament. The fibers gradually become thinner anteriorly as they blend into Hoffa`s fat pad. Moreover, there are edematous changes localized to the posterior apex of Hoffa`s fat pad in keeping with focal hoffitis.
TECHNIQUE: 3D Double Echo Steady State (DESS), a coherent (steady state) gradient echo (GRE) sequence - TR=17.81ms, TE=4.95ms, ET=1, Flip angle=25 deg , 2mm slice thickness; Magnet: Siemens Magnetom SymphonyTim 1.5 Tesla