@entity530 is often mistaken for other conditions, presenting a preoperative diagnostic challenge. In a 46-year-old female, computed tomography showed an abdominal-pelvic retroperitoneal mass extending from the lower pole of the right kidney to the lower pelvis. The @entity1 had a 3-year history of intrauterine device. The mass appeared to involve the ascending colon, cecum, distal ileum, right Fallopian tube and ovary, and ureter anteriorly and the psoas muscle posteriorly. The resection of retroperitoneal mass, distal ileum appendicectomy, right hemicolectomy, and right salpingo-oophorectomy was performed. The postoperative period was uneventful. @entity114 therapy was given for six months without any complication. The retroperitoneal mass measured 4.5   3.5   3 cm, surrounded adjacent organs and histologically showed inflammatory granulomatous tissue, agglomeration of filaments, and @entity599 granules of Actinomyces, with positive reaction with @entity5644 Schiff. Right @entity43 was present. Abdominalpelvic @entity5850 should always be considered in @entity1 with a pelvic mass especially in ones using intrauterine device.

XXXX mimicking malignant neoplasm.

@entity1 :: ('9606', 'Species') :: ['patients', 'patient'] @entity43 :: ('MESH:D010051', 'Disease') :: ['tubo-ovarian abscess'] @entity5644 :: ('MESH:D010504', 'Chemical') :: ['periodic acid'] @entity114 :: ('MESH:D010406', 'Chemical') :: ['Penicillin'] @entity5850 :: ('MESH:D000196', 'Disease') :: ['actinomycosis'] @entity530 :: ('MESH:D010386', 'Disease') :: ['Abdominal-pelvic actinomycosis'] @entity599 :: ('MESH:D013455', 'Chemical') :: ['sulfur']
@entity530 :: (MESH:D010386,Disease) :: ['Abdominal-pelvic actinomycosis']
