Presentation
Pain in right hip
Patient Data
Age: 60 years
Gender: Female
From the case:
Psoas hematoma
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Axial STIR

Hematoma / collection measuring approx 45 x 51 x 73mm is seen within intramuscular planes of right psoas muscle. Significantly increased bulk of right psoas muscle is seen with edema extending inferiorly up to right iliopsoas. Surrounding inflammatory stranding and edema is also seen.
Case Discussion
Patient was found to be on anticoagulants for an underlying heart condition which explains the hematoma. Spontaneous psoas hematoma is a known complication of anticoagulants and should be kept in mind to not confuse it with abscess or neoplasm.