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KMID : 1103720180780050340
대한영상의학회지
2018년 78권 5호 p.340 ~ p.344

Retroperitoneal Extraskeletal Osteosarcoma without Calcification Mimicking Pancreas Tumor: CT Imaging of a Case Report
 ( Kim Jung-Won ) - Inje University College of Medicine Sanggye Paik Hospital Department of Radiology

 ( Bae Kyung-Eun ) - Inje University College of Medicine Sanggye Paik Hospital Department of Radiology
 ( Park Kyeong-Mee ) - Inje University College of Medicine Sanggye Paik Hospital Department of Pathology
 ( Kim Jae-Hyung ) - Inje University College of Medicine Sanggye Paik Hospital Department of Radiology
 ( Jeong Myeong-Ja ) - Inje University College of Medicine Sanggye Paik Hospital Department of Radiology
 ( Kim Soung-Hee ) - Inje University College of Medicine Sanggye Paik Hospital Department of Radiology
 ( Kim Ji-Young ) - Inje University College of Medicine Sanggye Paik Hospital Department of Radiology
 ( Kim Soo-Hyun ) - Inje University College of Medicine Sanggye Paik Hospital Department of Radiology
 ( Kang Mi-Jin ) - Inje University College of Medicine Sanggye Paik Hospital Department of Radiology
 ( Lee Ji-Hae ) - Inje University College of Medicine Sanggye Paik Hospital Department of Radiology
 ( Kim Tae-Gyu ) - Inje University College of Medicine Sanggye Paik Hospital Department of Radiology
- Abstract -
Retroperitoneal extraskeletal osteosarcoma is a rare tumor. Typical imaging findings include a soft tissue mass accompanied with internal calcifications. The authors encountered a case involving a 44-year-old woman with a large retroperitoneal extraskeletal osteosarcoma, without calcification, that mimicked a pancreatic tumor. The present report highlights computed tomography features of retroperitoneal extraskeletal osteosarcoma, followed by a brief literature review. It is challenging for radiologists to diagnose retroperitoneal masses. However, in patients who present with large retroperitoneal masses, combined with clinical information including the elevation of serum alkaline phosphatase levels, retroperitoneal extraskeletal osteosarcoma should be considered in the differential diagnosis, even if the mass does not exhibit a gross calcification on the imaging.
- Key Words -

Retroperitoneal Space, Osteosarcoma, Ossification, Tomography, X-ray Computed
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