Pseudotumor recurrence in a post-revision total hip arthroplasty with stem neck modularity: A case report

Table 1 Patient timeline describing presentation, symptom progression, and clinical course

Timeline	Patient situation
February 2012	Past medical history: Degenerative osteoarthritis; Underwent left total hip arthroplasty
November 2017	Initial presentation for left hip swelling; Fluid collection seen on magnetic resonance imaging
December 2017	Treated with revision total hip arthroplasty; Immediate resolution of pseudotumor post-revision
March 2018	Recurrent left hip swelling; Resolution after repeat magnetic resonance imaging and joint aspiration
March 2019	After 1-yr of follow-up no further hip swelling recurrences or pain symptoms