Journal List > Korean J Gastroenterol > v.62(4) > 1007151

Lee and Jang: Retroperitoneal Extraskeletal Ewing's Sarcoma

References

1. Maheshwari AV, Cheng EY. Ewing sarcoma family of tumors. J Am Acad Orthop Surg. 2010; 18:94–107.
crossref
2. Tefft M, Vawter GF, Mitus A. Paravertebral "round cell" tumors in children. Radiology. 1969; 92:1501–1509.
crossref
3. Downing JR, Head DR, Parham DM, et al. Detection of the (11;22)(q24;q12) translocation of Ewing's sarcoma and peripheral neuroectodermal tumor by reverse transcription polymerase chain reaction. Am J Pathol. 1993; 143:1294–1300.
4. Raney RB, Asmar L, Newton WA Jr, et al. Ewing's sarcoma of soft tissues in childhood: a report from the Intergroup Rhabdomyosarcoma Study, 1972 to 1991. J Clin Oncol. 1997; 15:574–582.
crossref
5. Murtaza B, Saeed S, Khan NA, et al. Retroperitoneal masses: different clinical scenarios. J Ayub Med Coll Abbottabad. 2008; 20:161–164.
6. Kennedy JG, Eustace S, Caulfield R, Fennelly DJ, Hurson B, O'Rourke KS. Extraskeletal Ewing's sarcoma: a case report and review of the literature. Spine (Phila Pa 1976). 2000; 25:1996–1999.
7. Lee WS, Kim YH, Chee HK, et al. Multimodal treatment of primary extraskeletal Ewing's sarcoma of the chest wall: report of 2 cases. Cancer Res Treat. 2009; 41:108–112.
crossref
8. El Weshi A, Allam A, Ajarim D, et al. Extraskeletal Ewing's sarcoma family of tumours in adults: analysis of 57 patients from a single institution. Clin Oncol (R Coll Radiol). 2010; 22:374–381.
crossref

Fig. 1.
Initial CT scan. (A) Pre-enhance axial image shows 3.7 cm sized cystic mass without solid component. (B) This mass is not enhanced after contrast administration.
kjg-62-253f1.tif
Fig. 2.
Follow-up CT scan after 6 months. (A) The mass has enlarged to about 6 cm in size. (B) Contrast-enhanced abdominal CT scan shows 6 cm sized heterogenous enhancing mass with central low attenuation at retrocaval area.
kjg-62-253f2.tif
Fig. 3.
(A) Microscopic finding of ultrasound guided biopsy shows small round neoplastic cells with irregular nuclei and sparse cytoplasm (H&E,×400). (B) This tumor cells shows strong diffuse membrane immunohistochemical reactivity with CD99 antibodies (CD 99, ×400).
kjg-62-253f3.tif
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