Endometriosis presenting like a psoas abscess

Shyamasunder N. Bhat, Simanchal P. Mohanty, Prahlad Kustagi

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7 Citations (Scopus)


Endometriosis is the presence of ectopic endometrial tissue that responds to hormonal stimulation. Although endometriosis occurs most often in the pelvis, several unusual sites have been reported. We present a case of endometriosis mimicking, a psoas abscess. A 39-year-old lady presented with pain around the right hip, of 5 years duration. Computed tomography CT scan showed a multi-loculated mass in the right iliopsoas muscle. On exploration, a hemorrhagic cystic mass was seen pressing on the femoral nerve. The lesion was excised and histological examination of the tissue showed features of endometriosis. The patient was treated by cyclic hormonal suppressive therapy for 3 months. Her pain and the flexion deformity of the hip resolved completely. Retroperitoneal endometriosis presenting with deformity and pain in the hip may mimic a psoas abscess. If the possibility of this diagnosis is entertained, inappropriate treatment may be avoided.

Original languageEnglish
Pages (from-to)952-954
Number of pages3
JournalSaudi Medical Journal
Issue number6
Publication statusPublished - 01-12-2007

All Science Journal Classification (ASJC) codes

  • General Medicine


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