What are the causes for iliopsoas compartment haemorrhage?
- coagulopathy - anticoagulant therapy - ruptured AAA - post-operative aneurysm repair - trauma - previous surgery
Within the left psoas muscle there is a loculated mass extending from the L3 level to the pelvis, measuring 10 x 3.5 x 3cm. This demonstrates intrinsic peripheral high T1 signal, low internal T2 signal with post contrast rim enhancement. There is no internal enhancement. There is extension laterally of a component into quadratus lumborum. Within the right psoas muscle there is a smaller lesion of the similar signal characteristics measuring 1.1 x 1.2 x 2.3cm (at L4-5 level).
Gas-containing collection anterior to the uterus, preseumbly post-operative is seen on prior CT.
Incidental note of left ovarian cystic lesion.
Conclusion:
Findings in keeping with bilateral subacute psoas haematomas, larger on the left. No specific features of superinfection. High clinical suspicion may prompt percutaneous aspiration.