1.Primary Retroperitoneal Synovial Sarcoma: A Case Report.
Hotaek SONG ; Byung Hee KOH ; On Koo CHO ; Hyunchul RHIM ; Yongsoo KIM ; Eun Kyung HONG ; Yong Wook PARK
Journal of Korean Medical Science 2002;17(3):419-422
A case of a 36-yr-old woman with retroperitoneal synovial sarcoma is described. Her presenting symptom was epigastric pain that radiating to the back. On radiologic study, bulky retropancreatic soft tissue mass was detected which showed cystic and solid components. At operation, complete resection of the tumor was not possible because of the adhesion to the vena cava and the liver. During the follow-up, extensive tumor recurrence and liver metastasis were revealed. Primary retroperitoneal synovial sarcoma is a very rare malignant tumor with high mortality and recurrence rates. Retroperitoneal synovial sarcoma usually appears as a nonspecific soft tissue mass that do not have specific imaging features differentiating it from other mesenchymal tumors. However general radiologic findings and anatomic location of the tumor may help the diagnosis. In addition, synovial sarcoma should be included in the differential diagnosis of retroperitoneal soft tissue mass detected in young adults.
Adult
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Female
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Humans
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Retroperitoneal Neoplasms/*pathology/radiography/surgery
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Sarcoma, Synovial/*pathology/radiography/surgery
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Tomography, X-Ray Computed
2.Retroperitoneal schwannoma mimicking metastatic seminoma: case report and literature review.
Shi-Qiang ZHANG ; Song WU ; Kai YAO ; Pei DONG ; Yong-Hong LI ; Zhi-Ling ZHANG ; Xian-Xin LI ; Fang-Jian ZHOU
Chinese Journal of Cancer 2013;32(3):149-152
If a testicular cancer patient has a mass in the retroperitoneum, a metastasis is often the first suspicion, probably leading to improper diagnosis and overtreatment. Here we report a case of retroperitoneal schwannoma mimicking metastatic seminoma. A 29-year-old man, who had a history of seminoma, presented with a single retroperitoneal mass suspected to be a metastasis. Because the patient refused radiotherapy, 3 cycles of cisplatin, etoposide, and bleomycin were offered. Post-chemotherapy computed tomography scan revealed persistence of the retroperitoneal mass, with no change in tumor size or characteristics. Subsequently, retroperitoneal lymph node dissection was performed. The dissected tissue contained negative lymph nodes but a single mass in the attached fat. Pathology revealed retroperitoneal schwannoma, which was confirmed by immunohistochemistry. Thus, clinicians should be aware of retroperitoneal schwannoma and its distinction from metastatic seminoma to avoid misdiagnosis and ensure proper treatment.
Adult
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Antibiotics, Antineoplastic
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therapeutic use
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Antineoplastic Agents
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therapeutic use
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Antineoplastic Agents, Phytogenic
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therapeutic use
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Bleomycin
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therapeutic use
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Cisplatin
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therapeutic use
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Diagnostic Errors
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Etoposide
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therapeutic use
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Humans
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Lymph Node Excision
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Lymph Nodes
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pathology
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Lymphatic Metastasis
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Male
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Neoplasms, Multiple Primary
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Neurilemmoma
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diagnostic imaging
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drug therapy
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pathology
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Radiography
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Retroperitoneal Neoplasms
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diagnostic imaging
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drug therapy
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pathology
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secondary
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Retroperitoneal Space
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Seminoma
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secondary
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surgery
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Testicular Neoplasms
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surgery
3.Primary Extraskeletal Mesenchymal Chondrosarcoma Arising from the Pancreas.
Bae Geun OH ; Yoon Hee HAN ; Byung Hoon LEE ; Su Young KIM ; Yoon Joon HWANG ; Jung Wook SEO ; Yong Hoon KIM ; Soon Joo CHA ; Gham HUR ; Mee JOO
Korean Journal of Radiology 2007;8(6):541-544
We report here on a case of primary extraskeletal mesenchymal chondrosarcoma that arose from the pancreas. A 41-year-old man was evaluated by CT to find the cause of his abdominal pain. The CT scans showed a heterogeneously enhancing necrotic mass with numerous areas of coarse calcification, and this was located in the left side of the retroperitoneal space and involved the body and tail of the pancreas. Portal venography via the celiac axis also showed invasion of the splenic vein. Following excision of the mass, it was pathologically confirmed to be primary extraskeletal mesenchymal chondrosarcoma that arose from the pancreas.
Abdominal Pain/etiology
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Adult
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Chondrosarcoma, Mesenchymal/complications/*diagnosis/surgery
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Contrast Media/administration & dosage
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Diagnosis, Differential
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Humans
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Iohexol/analogs & derivatives/diagnostic use
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Male
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Necrosis
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Pancreas/pathology/radiography
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Pancreatic Neoplasms/complications/*diagnosis/surgery
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Portal Vein/radiography
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Radiographic Image Enhancement/methods
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Rare Diseases
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Retroperitoneal Space/radiography
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Splenic Vein/radiography
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Tomography, X-Ray Computed/methods