Iliac bone Ewing sarcoma

Case contributed by Amr Farouk , 27 May 2018
Diagnosis certain
Changed by Francis Fortin, 31 May 2018

Updates to Case Attributes

Age changed from 20 year old to 20 years.
Presentation was changed:
20-year-old female patient with left lower limb and left iliac fossa pain of 1-year duration with x-ray showing left iliac bony lesion (not shownincluded).
Body was changed:

Left iliac bone destructive osseous lesion with soft tissue components in a young age patient makes Ewing sarcoma most likely. The biopsyBiopsy was done revealing Ewing sarcoma.

  • -<p>Left iliac bone destructive osseous lesion with soft tissue components in young age patient makes Ewing sarcoma most likely. The biopsy was done revealing Ewing sarcoma.</p>
  • +<p>Left iliac bone destructive osseous lesion with soft tissue components in a young patient makes Ewing sarcoma most likely. Biopsy was done revealing <a title="Ewing sarcoma" href="/articles/ewing-sarcoma">Ewing sarcoma</a>.</p>

References changed:

  • Murphey MD, Senchak LT, Mambalam PK, Logie CI, Klassen-Fischer MK, Kransdorf MJ. From the radiologic pathology archives: ewing sarcoma family of tumors: radiologic-pathologic correlation. (2013) Radiographics : a review publication of the Radiological Society of North America, Inc. 33 (3): 803-31. <a href="https://doi.org/10.1148/rg.333135005">doi:10.1148/rg.333135005</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/23674776">Pubmed</a> <span class="ref_v4"></span>
  • Murphey MD, Senchak LT, Mambalam PK, Logie CI, Klassen-Fischer MK, Kransdorf MJ. From the radiologic pathology archives: ewing sarcoma family of tumors: radiologic-pathologic correlation. Radiographics. 2013 May 3;33(3):803-31.

Updates to Study Attributes

Findings was changed:

Left iliac bone para-sacroiliac joint expansion with marrow infiltration, surrounding cortical disruption, aggressive periosteal reaction (speculated(spiculated) and sizable circumferential soft tissue mass showing intra and extrapelvic components. The extrapelvic soft tissue component is more sizable posteriorly and laterally infiltrating the left gluteus medius muscle and stretching the gluteus maximus muscle. The intrapelvic soft tissue component is seen infiltrating the iliacus and psoas muscles. The mass is eliciting homogenous intermediate signal on T1 WIs and low to intermediate signal on T2 WIs with heterogenous vivid post contrast enhancement.

Obliterated left sacroiliac joint by the neoplastic process with adjacent sacral marrow infiltration.

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