Calcific tendinitis of rectus femoris

Case contributed by Maulik S Patel
Diagnosis certain

Presentation

The non-traumatic onset of left anterior hip region pain - 10 days.

Patient Data

Age: 30 yrs
Gender: Female

There is no bony abnormality. There is a faint ill-defined density in the region of the left anterior inferior iliac spine.

ultrasound

There is lobulated calcification involving the insertion site of the straight head of the left rectus femoris muscle. Calcification measures about 14 x 12 x 10 mm. The straight head of the tendon is intact. Perifocal hypervascularity is present. The reflected (or "indirect") head of the left rectus femoris is normal. There is no left hip joint effusion.

The right rectus femoris tendon is normal.

Case Discussion

Findings favor calcific tendinosis involving the straight head of the rectus femoris muscle.

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