Hemangiopericytoma: Difference between revisions

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'''For patient information, click [[Hemangiopericytoma (patient information)|here]]'''
{{DiseaseDisorder infobox |
{{DiseaseDisorder infobox |
   Name        = Hemangiopericytoma |
   Name        = Hemangiopericytoma |
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}}
}}


{{Hemangiopericytoma}}
{{CMG}}
{{CMG}}
{{SI}}
{{Editor Help}}


==Overview==
==[[Hemangiopericytoma overview|Overview]]==


Hemangiopericytomas, along with hemangioendotheliomas and angiosarcomas are tumors that arise from vascular structures. A '''hemangiopericytoma''' ('''HPC''') is a type of [[soft tissue sarcoma]] that originates in the [[pericyte]]s in the walls of [[capillary|capillaries]] (they arise from the cells of Zimmerman, which surround vessels). Both benign and malignant forms are encountered. These tumors are most frequently seen in middle-aged adults.
==[[Hemangiopericytoma classification|Classification]]==


Typically they have large vessels especially located at its periphery, and commonly involve the lower limbs (35% of cases), especially the thigh, pelvis and retroperitoneum (25%)
==[[Hemangiopericytoma historical perspective|Historical Perspective]]==


Primary osseous lesions are rare.
==[[Hemangiopericytoma pathophysiology|Pathophysiology]]==


==Diagnosis==
==[[Hemangiopericytoma epidemiology and demographics|Epidemiology & Demographics]]==


Radiologically they appear the same as angiosarcomas and heemangioendotheliomas.
==[[Hemangiopericytoma epidemiology and demographics|Risk Factors]]==


===X-rays===
==[[Hemangiopericytoma screening|Screening]]==


Nonspecific soft tissue mass. When involving bone, they are predominatly lytic, and may mimic hemangiomas with a course honeycomb appearance.
==[[Hemangiopericytoma causes|Causes]]==


===Angiography===
==[[Hemangiopericytoma differential diagnosis|Differentiating Hemangiopericytoma from other Diseases]]==


Dense, well-circumscribed areas of enhancement with early draining veins and shunting. Hemangiopericytoma are described as having a pedicle formed by the arteries supplying the tumor from which vessels branch to encircle the tumor.
==[[Hemangiopericytoma natural history|Natural History, Complications & Prognosis]]==


===Multi Sliced CT===
==Diagnosis==
[[Hemangiopericytoma history and symptoms|History & Symptoms]] | [[Hemangiopericytoma physical examination|Physical Examination]] | [[Hemangiopericytoma staging|Staging]] | [[Hemangiopericytoma laboratory tests|Lab Tests]] | [[Hemangiopericytoma electrocardiogram|Electrocardiogram]] | [[Hemangiopericytoma x ray|X Ray]] | [[Hemangiopericytoma CT|CT]] | [[Hemangiopericytoma MRI|MRI]] | [[Hemangiopericytoma echocardiography or ultrasound|Echocardiography or Ultrasound]] | [[Hemangiopericytoma other imaging findings#Angiography|Angiography]] | [[Hemangiopericytoma other diagnostic studies|Other Diagnostic Studies]]


Non specific soft tissue mass, with density similar to muscle but demonstrating bright contrast enhancement. CTA may demonstrate large feeding vessels.
==Treatment==
[[Hemangiopericytoma medical therapy|Medical Therapy]] | [[Hemangiopericytoma surgery|Surgery]] | [[Hemangiopericytoma primary prevention|Primary Prevention]] | [[Hemangiopericytoma secondary prevention|Secondary Prevention]]


===MRI===
==Resources==
 
Brightly enhancing soft tissue mass, often hyperintense on T2WI, with prominent flow voids, most marked in haemangiopericytomas.
 
==References==
 
* Murphy M. et al "Musculoskeletal Angiomatous Lesions" RadioGraphics: July 1, 1995 -- Volume 15, Number 4
 
== External links ==
* [http://survivor-support.rare-cancer.org/adult-stories/hemangiopericytoma.html Hemangiopericytoma Personal Story]
* [http://survivor-support.rare-cancer.org/adult-stories/hemangiopericytoma.html Hemangiopericytoma Personal Story]
* [http://survivor-support.rare-cancer.org/forum/ Hemangiopericytoma Support Forums Group]
* [http://survivor-support.rare-cancer.org/forum/ Hemangiopericytoma Support Forums Group]
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{{Soft tissue tumors and sarcomas}}
{{Soft tissue tumors and sarcomas}}
{{SIB}}
 
[[Category:Disease]]
[[Category:Types of cancer]]
[[Category:Types of cancer]]
[[Category:Oncology]]
[[Category:Oncology]]


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Revision as of 18:41, 21 January 2012

For patient information, click here

Template:DiseaseDisorder infobox

Template:Hemangiopericytoma Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Classification

Historical Perspective

Pathophysiology

Epidemiology & Demographics

Risk Factors

Screening

Causes

Differentiating Hemangiopericytoma from other Diseases

Natural History, Complications & Prognosis

Diagnosis

History & Symptoms | Physical Examination | Staging | Lab Tests | Electrocardiogram | X Ray | CT | MRI | Echocardiography or Ultrasound | Angiography | Other Diagnostic Studies

Treatment

Medical Therapy | Surgery | Primary Prevention | Secondary Prevention

Resources


Template:WikiDoc Sources

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