Sarcoma metastasis to the pancreas: experience at a single institution

Background Reports of metastatic sarcoma to the pancreas are limited. We reviewed the clinicopathologic characteristics of such cases. Methods We reviewed 124 cases of metastatic tumors to the pancreas diagnosed at Asan Medical Center between 2000 and 2017. Results Metastatic tumors to the pancreas...

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Main Authors: Miseon Lee, Joon Seon Song, Seung-Mo Hong, Se Jin Jang, Jihun Kim, Ki Byung Song, Jae Hoon Lee, Kyung-Ja Cho
Format: Article
Language:English
Published: Korean Society of Pathologists & the Korean Society for Cytopathology 2020-05-01
Series:Journal of Pathology and Translational Medicine
Subjects:
Online Access:http://www.jpatholtm.org/upload/pdf/jptm-2020-03-04.pdf
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author Miseon Lee
Joon Seon Song
Seung-Mo Hong
Se Jin Jang
Jihun Kim
Ki Byung Song
Jae Hoon Lee
Kyung-Ja Cho
author_facet Miseon Lee
Joon Seon Song
Seung-Mo Hong
Se Jin Jang
Jihun Kim
Ki Byung Song
Jae Hoon Lee
Kyung-Ja Cho
author_sort Miseon Lee
collection DOAJ
description Background Reports of metastatic sarcoma to the pancreas are limited. We reviewed the clinicopathologic characteristics of such cases. Methods We reviewed 124 cases of metastatic tumors to the pancreas diagnosed at Asan Medical Center between 2000 and 2017. Results Metastatic tumors to the pancreas consisted of 111 carcinomas (89.5%), 12 sarcomas (9.6%), and one melanoma (0.8%). Primary sarcoma sites were bone (n=4); brain, lung, and soft tissue (n=2 for each); and the uterus and pulmonary vein (n=1 for each). Pathologically, the 12 sarcomas comprised 2 World Health Organization grade III solitary fibrous tumors/hemangiopericytomas, and one case each of synovial sarcoma, malignant solitary fibrous tumor, undifferentiated pleomorphic sarcoma, osteosarcoma, mesenchymal chondrosarcoma, intimal sarcoma, myxofibrosarcoma, myxoid liposarcoma, rhabdomyosarcoma, subtype uncertain, and high-grade spindle-cell sarcoma of uncertain type. The median interval between primary cancer diagnosis and pancreatic metastasis was 28.5 months. One case manifested as a solitary pancreatic osteosarcoma metastasis 15 months prior to detection of osteosarcoma in the femur and was initially misdiagnosed as sarcomatoid carcinoma of the pancreas. Conclusions The metastatic sarcoma should remain a differential diagnosis when spindle-cell malignancy is found in the pancreas, even for solitary lesions or in patients without prior history.
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spelling doaj.art-13146928676f4561b3c5f12e5e3c58122022-12-22T01:33:03ZengKorean Society of Pathologists & the Korean Society for CytopathologyJournal of Pathology and Translational Medicine2383-78372383-78452020-05-0154322022710.4132/jptm.2020.03.0416908Sarcoma metastasis to the pancreas: experience at a single institutionMiseon Lee0Joon Seon Song1Seung-Mo Hong2Se Jin Jang3Jihun Kim4Ki Byung Song5Jae Hoon Lee6Kyung-Ja Cho7 Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, KoreaBackground Reports of metastatic sarcoma to the pancreas are limited. We reviewed the clinicopathologic characteristics of such cases. Methods We reviewed 124 cases of metastatic tumors to the pancreas diagnosed at Asan Medical Center between 2000 and 2017. Results Metastatic tumors to the pancreas consisted of 111 carcinomas (89.5%), 12 sarcomas (9.6%), and one melanoma (0.8%). Primary sarcoma sites were bone (n=4); brain, lung, and soft tissue (n=2 for each); and the uterus and pulmonary vein (n=1 for each). Pathologically, the 12 sarcomas comprised 2 World Health Organization grade III solitary fibrous tumors/hemangiopericytomas, and one case each of synovial sarcoma, malignant solitary fibrous tumor, undifferentiated pleomorphic sarcoma, osteosarcoma, mesenchymal chondrosarcoma, intimal sarcoma, myxofibrosarcoma, myxoid liposarcoma, rhabdomyosarcoma, subtype uncertain, and high-grade spindle-cell sarcoma of uncertain type. The median interval between primary cancer diagnosis and pancreatic metastasis was 28.5 months. One case manifested as a solitary pancreatic osteosarcoma metastasis 15 months prior to detection of osteosarcoma in the femur and was initially misdiagnosed as sarcomatoid carcinoma of the pancreas. Conclusions The metastatic sarcoma should remain a differential diagnosis when spindle-cell malignancy is found in the pancreas, even for solitary lesions or in patients without prior history.http://www.jpatholtm.org/upload/pdf/jptm-2020-03-04.pdfpancreasmetastasissarcoma
spellingShingle Miseon Lee
Joon Seon Song
Seung-Mo Hong
Se Jin Jang
Jihun Kim
Ki Byung Song
Jae Hoon Lee
Kyung-Ja Cho
Sarcoma metastasis to the pancreas: experience at a single institution
Journal of Pathology and Translational Medicine
pancreas
metastasis
sarcoma
title Sarcoma metastasis to the pancreas: experience at a single institution
title_full Sarcoma metastasis to the pancreas: experience at a single institution
title_fullStr Sarcoma metastasis to the pancreas: experience at a single institution
title_full_unstemmed Sarcoma metastasis to the pancreas: experience at a single institution
title_short Sarcoma metastasis to the pancreas: experience at a single institution
title_sort sarcoma metastasis to the pancreas experience at a single institution
topic pancreas
metastasis
sarcoma
url http://www.jpatholtm.org/upload/pdf/jptm-2020-03-04.pdf
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