Knee Joint (Normal)

Musculoskeletal

All Phantoms

Normal knee phantom with intact bone, cartilage, menisci, and ligaments for baseline comparison

Modalities: MRI CT ULTRASOUND DIGITAL RADIOGRAPHY

Images: 4

Structures: 9

Compatible Instruments: 16

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Knee X-ray — Lateral

Lateral radiograph of the knee joint

DIGITAL RADIOGRAPHY Downloaded 2026-03-16

https://commons.wikimedia.org/wiki/File:Radiograph%20of%20human%20knee%20with%20Osgood%E2%80%93Schlatter%20disease.png

Knee MRI — Sagittal

Sagittal MRI of the knee showing femoral condyle and menisci

MRI Downloaded 2026-03-16

Sagittal

https://commons.wikimedia.org/wiki/File:Knee%20MRI%20T1%20TSE%20Sagittal.jpg

Knee X-ray — Lateral

Lateral radiograph of the knee joint

DIGITAL RADIOGRAPHY Downloaded 2026-03-16

https://commons.wikimedia.org/wiki/File:Radiograph%20with%20knee%20angles.jpg

Knee X-ray — AP View

AP radiograph of the knee showing joint space

DIGITAL RADIOGRAPHY Downloaded 2026-03-16

https://commons.wikimedia.org/wiki/File:Postoperative%20X-ray%20of%20normal%20knee%20prosthesis%2C%20anteroposterior%20view.jpg

Structure	Density (HU)	T1 (ms)	T2 (ms)	Echo	Rel. Size
Cortical Bone	1200	300	1	0.95	15%
Cancellous Bone	300	400	50	0.7	12%
Cartilage	80	1100	35	0.3	6%
Meniscus	90	800	10	0.4	4%
Acl	70	600	5	0.5	2%
Pcl	70	600	5	0.5	2%
Muscle	40	900	35	0.4	15%
Fat	-100	250	80	0.6	10%
Synovial Fluid	15	3000	500	0.05	2%