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Spontaneous osteonecrosis of the knee

Galifianakis AG - MedPix (2008)

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Spontaneous osteonecrosis of the knee

History: 72 year old female with knee pain.

Findings: Radiographs demonstrate an area of subchondral collapse with subchondral sclerosis in the weight bearing surface of the left lateral femoral condyle. MRI further illustrates osteonecrotic focus (low T1 and low T2 signal) with surrounding edema. Early in the disease process, some degree of T2 and PD hyperintensity can be seen. Also, surrounding edema can sometimes mask areas of subchondral sclerosis.

Ddx: •Spontaneous Osteonecrosis of the knee •Osteochondritis dissecans • Meniscal Tear • Stress fracture

Dxhow: MRI imagning

No MeSH data available.


Area of low T1 signal representing focus of osteonecrosis.
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MPX2019_synpic42575: Area of low T1 signal representing focus of osteonecrosis.


Spontaneous osteonecrosis of the knee

Galifianakis AG - MedPix (2008)

Area of low T1 signal representing focus of osteonecrosis.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX2019&req=5

MPX2019_synpic42575: Area of low T1 signal representing focus of osteonecrosis.

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Spontaneous osteonecrosis of the knee

History: 72 year old female with knee pain.

Findings: Radiographs demonstrate an area of subchondral collapse with subchondral sclerosis in the weight bearing surface of the left lateral femoral condyle. MRI further illustrates osteonecrotic focus (low T1 and low T2 signal) with surrounding edema. Early in the disease process, some degree of T2 and PD hyperintensity can be seen. Also, surrounding edema can sometimes mask areas of subchondral sclerosis.

Ddx: •Spontaneous Osteonecrosis of the knee •Osteochondritis dissecans • Meniscal Tear • Stress fracture

Dxhow: MRI imagning

No MeSH data available.