103 Dedifferentiated Retroperitoneal Liposarcoma

CASE 103


Clinical Presentation


A 73-year-old woman presents with abdominal discomfort and flank pain.




image

Fig. 103.1 Coronal reformatted contrast-enhanced CT image show a heterogeneous, ill-defined mass in the left perinephric region surrounding the left kidney. The lesion shows areas of fat density and foci of calcifications adjacent to the left kidney.


Radiologic Findings


Coronal reformatted, contrast-enhanced computed tomography (CT) image shows a heterogeneous, ill-defined mass in the left perinephric region surrounding the left kidney. The lesion shows areas of fat density and foci of calcifications adjacent to the left kidney (Fig. 103.1).


Diagnosis


Dedifferentiated retroperitoneal liposarcoma


Differential Diagnosis



  • Malignant fibrous histiocytoma
  • Retroperitoneal lymphoma
  • Metastases
  • Retroperitoneal dermoid
  • Infection (rare)

Discussion


Background


Liposarcoma is the second most common type of soft tissue sarcoma in adults and is most commonly seen in the 5th decade of life.


Clinical Findings

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Dec 26, 2015 | Posted by in GASTROINTESTINAL IMAGING | Comments Off on 103 Dedifferentiated Retroperitoneal Liposarcoma

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