Rare Case Presentation And Reporting of an Unusual Cause of Loin Mass.

Abstract

Objective: To determine the presentation and pathological findings of a rare case of huge abdominal mass.
Material and Methods: This case study of “rare case presentation and reporting of an unusual cause of lion
mass "was carried out in Muhammad medical college Mirpurkhas. over a period of one year from January 2012
to January 2013 in the department of surgery.
Retro Peritoneal abdominal mass was sent to hospital laboratory for biopsy and other pathological findings.
Results: A 65 years old man was feeling abdominal mass for 25years. During surgery we found a large, round,
fatty mass in the retroperitoneal space, which was easily removed by surgery. On further cutting most of the central part of mass was necrosed and partly liquefied and dark brown in colour. Section showed tumor. Tumor was
composed of variegated tissue predominantly variable thick vascular channels separated by oval. Spindle and
large polyhedral cells containing bland nuclei. Their cytoplasm ranged from pale, densely, esinophilic to granular
in appearance. Benign looking kidney tissue with feature of chronic pyelonephritis was also present.
Conclusion: We concluded that the abdominal mass from the kidney / retroperitoneal soft tissue was benign
mesenchyme tumor more in favor of angiomyolipoma.