Primary mesenchymal chondrosarcoma of the pancreas

Bu, Xianmin; Dai, Xiyong

doi:10.1308/147870810x12659688851672

Cited by 12 publications

(8 citation statements)

References 10 publications

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“…The reported prognosis for patients with primary pancreatic sarcomas is poor; the average 5-year survival rate is 15%-50%, depending on the type of sarcoma. However, this is better than the observed 5-year survival rate of 9% for patients with PDAC (11)(12)(13)(14)(15)(16).…”

Section: Teaching Pointsmentioning

confidence: 76%

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Nonepithelial Neoplasms of the Pancreas, Part 2: Malignant Tumors and Tumors of Uncertain Malignant PotentialFrom the Radiologic Pathology Archives

Manning

Paal²,

Srivastava

et al. 2018

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Almost all neoplasms of the pancreas are derived from pancreatic epithelial components, including the most common pancreatic mass, primary pancreatic ductal adenocarcinoma (PDAC). Nonepithelial neoplasms comprise only 1%-2% of all pancreatic neoplasms. Although some may arise directly from intrapancreatic elements, many originate from mesenchymal, hematopoietic, or neural elements in the retroperitoneal peripancreatic space and grow into the pancreas. Once these tumors reach a certain size, it can be challenging to identify their origin. Because these manifest at imaging as intrapancreatic masses, awareness of the existence and characteristic features of these nonepithelial neoplasms is crucial for the practicing radiologist in differentiating these tumors from primary epithelial pancreatic tumors, an important distinction given the vastly different management and prognosis. In part 1 of this article, the authors reviewed benign nonepithelial neoplasms of the pancreas. This article focuses on malignant nonepithelial neoplasms and those of uncertain malignant potential that can be seen in the pancreas. The most common malignant or potentially malignant nonepithelial pancreatic tumors are of mesenchymal origin and include soft-tissue sarcomas, solitary fibrous tumor, and inflammatory myofibroblastic tumor. These tumors commonly manifest as large heterogeneous masses, often containing areas of necrosis and hemorrhage. The clinical features associated with these tumors and the imaging characteristics including enhancement patterns and the presence of fat or calcification help distinguish these tumors from PDAC. Hematopoietic tumors, including lymphoma and extramedullary plasmacytoma, can manifest as isolated pancreatic involvement or secondarily involve the pancreas as widespread disease. Hyperenhancing paragangliomas or hypervascular metastatic disease can mimic primary pancreatic neuroendocrine tumors or vascular anomalies.

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Section: Teaching Pointsmentioning

confidence: 76%

“…UPS, chondrosarcoma, and extraosseous Ewing sarcoma (EES)/PNET have been reported in the pancreas (3,(11)(12)(13).…”

Section: Teaching Pointsmentioning

confidence: 99%

Nonepithelial Neoplasms of the Pancreas, Part 2: Malignant Tumors and Tumors of Uncertain Malignant PotentialFrom the Radiologic Pathology Archives

Manning

Paal²,

Srivastava

et al. 2018

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“…Furthermore, the image features of this patient were unique. According to the 2 previous case reports, primary pancreatic chondrosarcoma manifests radiologically as a large tumor mass of mixed density with chondroid calcifications on computed tomography 1,2. Our case presented with a solid-cystic mass rather than a solid mass, and there was no apparent sign of calcification.…”

Section: Case Reportmentioning

confidence: 46%

Primary Pancreatic Chondrosarcoma

Qiao¹,

Guo²

2018

ACG Case Reports Journal

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“…Distant metastasis is well known in leiomyosarcomas subtype. Although poor prognosis of primary pancreatic sarcomas patients was reported, but still better than the observed with those who has pancreatic ductal adenocarcinoma [10][11][12][13][14][15].…”

Section: Resultsmentioning

confidence: 99%

Imaging Characteristics of Primary Pancreatic Sarcoma: Review of Literature

Bakhsh¹

2020

SJM

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Introduction:Sarcoma is a rare entity with the primary pancreatic sarcoma represents a diagnostic challenge. Material and Methods: I reviewed articles particularly radiology studies in English language found in PubMed that were published recently to draw conclusions. Results: The common presenting symptom is vague abdominal pain. The described imaging appearance of such entity which shared between the different subtypes is a large heterogenous solid mass with frequent cystic degeneration/necrosis. The regional lymph nodes are rarely involved. Overall, poor prognosis of primary pancreatic sarcoma was reported. Conclusions: Although primary pancreatic sarcoma diagnosis remains a challenge, imaging differentiation from pancreatic ductal adenocarcinoma may be possible.

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Primary mesenchymal chondrosarcoma of the pancreas

Cited by 12 publications

References 10 publications

Nonepithelial Neoplasms of the Pancreas, Part 2: Malignant Tumors and Tumors of Uncertain Malignant PotentialFrom the Radiologic Pathology Archives

Nonepithelial Neoplasms of the Pancreas, Part 2: Malignant Tumors and Tumors of Uncertain Malignant PotentialFrom the Radiologic Pathology Archives

Primary Pancreatic Chondrosarcoma

Imaging Characteristics of Primary Pancreatic Sarcoma: Review of Literature

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