{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T17:30:35Z","timestamp":1775755835100,"version":"3.50.1"},"reference-count":11,"publisher":"BMJ","issue":"6","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2021,5,7]]},"published-print":{"date-parts":[[2021,6]]},"abstract":"<jats:p>A 52-year-old woman was referred to our department with multiple discharging sinuses and swelling in the right flank and iliac region for the past year. Ultrasound revealed a large collection in the right psoas muscle with the sinus tract reaching up to the skin in the right iliac region. Despite repeated attempts at drainage, the collection continued to increase in size. CT was requested and revealed a large heterogeneous irregular collection in the right psoas with fistulous communication with the cecum and skin with the erosion of the overlying ilium. Because of lack of vertebral involvement, enhancing internal septations, non-visualisation of the appendix and feculent material admixed with mucinous discharge from the sinus, pseudomyxoma retroperitonei secondary to ruptured mucinous neoplasm of the appendix was suspected. Mucoid material at the local site was sent for histopathology, which confirmed our suspicion. Our treatment plan after ileostomy was cytoreductive surgery along with adjuvant radiotherapy (40\u2009Gy in 20 fractions) with chemotherapy (5-fluorouracil and folinic acid given for 30 weeks, once a week). However, after ileostomy, the patient refused further treatment, citing financial reasons.<\/jats:p>","DOI":"10.1136\/bcr-2020-240299","type":"journal-article","created":{"date-parts":[[2021,6,3]],"date-time":"2021-06-03T00:12:44Z","timestamp":1622679164000},"page":"e240299","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Pseudomyxoma retroperitonei masquerading as a psoas abscess"],"prefix":"10.1136","volume":"14","author":[{"given":"Padma Vikram","family":"Badhe","sequence":"first","affiliation":[{"name":"Radiodiagnosis, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dasari","family":"Ravi Kiran","sequence":"additional","affiliation":[{"name":"Radiology, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1257-1068","authenticated-orcid":false,"given":"Harini","family":"Seshadri","sequence":"additional","affiliation":[{"name":"Radiology, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2021,6,2]]},"reference":[{"key":"2025082708334142000_14.6.e240299.1","doi-asserted-by":"publisher","DOI":"10.1097\/PAS.0000000000000535"},{"key":"2025082708334142000_14.6.e240299.2","doi-asserted-by":"publisher","DOI":"10.1136\/jclinpath-2012-200843"},{"key":"2025082708334142000_14.6.e240299.3","unstructured":"Kadavigere R . 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