PMC3504282_01
Ultrasound reveals a hypoechoic irregular mass located in the muscular plane with evidence of multiple calcific areas (marked with red arrow).
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fig1
Ultrasound revealed a hypoechoic irregular mass located in the muscular plane with evidence of increased vascularity and multiple calcific areas, all these features were favoring the diagnosis of haemangioma (Figure 1).
AP and lateral views of knee joint shows multiple phleboliths and minimal soft tissue swelling in suprapatellar region.
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fig2
As ultrasound revealed calcifications X-ray of the left knee was repeated which showed multiple phleboliths in addition to minimal soft tissue swelling (Figures 2(a) and 2(b)).
MRI reveals soft tissue mass in the vastus medialis which with high signal intensity on T
1, T
2, and PD FAT SAT images, with hypointense calcifications within.
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fig3
Vascular mass in the vastus medialis muscles with calcifications was encountered (calcification marked with black arrow).
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fig4
Microscopy shows skeletal muscle bundles and adipose tissue interspersed with large thick-walled blood vessels and few capillary-sized blood vessels filled with RBCs.
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fig5
These findings were in favor of cavernous type of intramuscular haemangioma (Figure 5).