Ewing's sarcoma x ray: Difference between revisions

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{{CMG}};{{AE}} {{PSK}} '''Assistant Editor(s)-In-Chief:''' [[User:Michael Maddaleni|Michael Maddaleni, B.S.]]
{{CMG}};{{AE}} {{PSK}} '''Assistant Editor(s)-In-Chief:''' [[User:Michael Maddaleni|Michael Maddaleni, B.S.]]
==Overview==
==Overview==
==X Ray==
X-ray may be helpful in the diagnosis of Ewing's sarcoma. Findings on x-ray diagnostic of Ewing's sarcoma include permeative lytic lesion, periosteal reaction, and soft tissue [[calcification]].
X ray add valuable information in the initial evaluation of Ewing sarcoma.The appearance of these tumors is very variable, but usually have aggressive appearance. Common findings include:
 
*Permeative lytic lesion in the [[metaphysis]] and [[diaphysis]] of the bone with a prominent soft tissue mass extending from the bone.
==X-Ray==
X-ray add valuable information in the initial evaluation of Ewing's sarcoma.The appearance of these tumors is variable. Common x-ray findings are listed below:
*A permeative lytic lesion in the [[metaphysis]] and [[diaphysis]] of the bone with a prominent soft tissue mass extending from the bone.
*Periosteal reaction usually is present, and it often has an '''onionskin or sunburst pattern''', which indicates an aggressive process.
*Periosteal reaction usually is present, and it often has an '''onionskin or sunburst pattern''', which indicates an aggressive process.
*[[Codman triangle]] may be present at the margins of the lesion. These result from the elevation of the [[periosteum]] and central destruction of the [[periosteal reaction]] caused by the tumor.
*[[Codman triangle]] may be present at the margins of the lesion. These result from the elevation of the [[periosteum]] and central destruction of the [[periosteal reaction]] caused by the tumor.
*Aggressive periosteal reaction characterized by:
*The wide zone of transition (e.g. permeative) is the most useful plain film characteristic in differentiation of benign versus aggressive or malignant lytic lesions.
:*Sunburst appearance
*Soft tissue [[calcification]] is uncommon, seen in less than 10% of cases.
:*[[Codman triangle]]
:*Lamellated (onion skin) reaction: less frequently seen
*The wide zone of transition (e.g. permeative) is the most useful plain film characteristic in differentiation of benign versus aggressive or malignant lytic lesions.Soft *Tissue [[calcification]] is uncommon, seen in less than 10% of cases.


<gallery>
<gallery>
EwingSarcomaTibia.jpg|X-Ray of a child with Ewing's sarcoma of the tibia
EwingSarcomaTibia.jpg|X-Ray of a child with Ewing's sarcoma of the tibia.<ref name=wikipedia>Ewing's sarcoma.https://en.wikipedia.org/wiki/Ewing%27s_sarcoma</ref>
Ewings-sarcoma-101.jpg|Radiograph demonstrates classic sunburst pattern of periosteal reaction.
Ewings-sarcoma-101.jpg|Radiograph demonstrates classic sunburst pattern of periosteal reaction.<ref name=radio>Image courtesy of Dr. John Hunter's. [http://www.radiopaedia.org Radiopaedia] (original file [http://radiopaedia.org/cases/sunburst-periosteal-reaction]). [http://radiopaedia.org/licence Creative Commons BY-SA-NC]</ref>
</gallery>
</gallery>
===Chest X Ray===
X ray chest may be done to see if the cancer has spread to [[lung]]s.


==References==
==References==
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[[Category:Types of cancer]]
[[Category:Types of cancer]]
[[Category:Mature chapter]]
[[Category:Mature chapter]]
[[Category:Up-To-Date]]
[[Category:Oncology]]
[[Category:Medicine]]
[[Category:Orthopedics]]

Latest revision as of 23:20, 26 November 2017

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2];Associate Editor(s)-in-Chief: Suveenkrishna Pothuru, M.B,B.S. [3] Assistant Editor(s)-In-Chief: Michael Maddaleni, B.S.

Overview

X-ray may be helpful in the diagnosis of Ewing's sarcoma. Findings on x-ray diagnostic of Ewing's sarcoma include permeative lytic lesion, periosteal reaction, and soft tissue calcification.

X-Ray

X-ray add valuable information in the initial evaluation of Ewing's sarcoma.The appearance of these tumors is variable. Common x-ray findings are listed below:

  • A permeative lytic lesion in the metaphysis and diaphysis of the bone with a prominent soft tissue mass extending from the bone.
  • Periosteal reaction usually is present, and it often has an onionskin or sunburst pattern, which indicates an aggressive process.
  • Codman triangle may be present at the margins of the lesion. These result from the elevation of the periosteum and central destruction of the periosteal reaction caused by the tumor.
  • The wide zone of transition (e.g. permeative) is the most useful plain film characteristic in differentiation of benign versus aggressive or malignant lytic lesions.
  • Soft tissue calcification is uncommon, seen in less than 10% of cases.

References

  1. Ewing's sarcoma.https://en.wikipedia.org/wiki/Ewing%27s_sarcoma
  2. Image courtesy of Dr. John Hunter's. Radiopaedia (original file [1]). Creative Commons BY-SA-NC

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