Heart
Cardiac tumors - malignant
Undifferentiated sarcoma


Topic Completed: 1 December 2013

Revised: 27 September 2019

Copyright: 2007-2019, PathologyOutlines.com, Inc.

PubMed Search: Undifferentiated sarcoma heart

Nat Pernick, M.D.
Page views in 2018: 270
Page views in 2019 to date: 244
Cite this page: Pernick N. Undifferentiated sarcoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/hearttumorundifferentiatedsarcoma.html. Accessed December 8th, 2019.
Definition / general
Case reports
Gross images
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One year old girl with congestive heart failure

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Involving left atrial appendage and mitral valve

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70 year old man with
pedunculated mass
attached to infundibulum
(base of pulmonary artery)


Images hosted on other servers:
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28 year old woman with left atrial mass

Microscopic (histologic) images
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Undifferentiated pleomorphic and giant cells

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Epithelioid features

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Small round cells in myxoid background

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Small round cell tumor of right atrium

Electron microscopy images
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Bipolar cells with tapering cell processes

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Abundant rough endoplasmic
reticulum and well-formed
intercellular junctions
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