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See subtypes below: compositeepithelioid / histiocyticendovascular papillarykaposiformpolymorphousretiformspindle cell

General
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Positive stains
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Composite hemangioendothelioma

General
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Case reports
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Treatment
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Micro images
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Courtesy of Dr. Mark R. Wick

Positive stains
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Additional references
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Epithelioid / histiocytic hemangioendothelioma

General
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Case reports
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Treatment
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Clinical images
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Forearm

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Lower eyelid

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Courtesy of Dr. Mark R. Wick

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Great toe, courtesy of Dr. Mark R. Wick

Gross description
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Micro description
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Clinical features
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Breast, courtesy of Dr. Mark R. Wick

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Forearm mass

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Spine

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Lower eyelid

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Sphenoid bone

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Case of the Week #77: thigh tumor - H&E and CD31

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Anaplastic variant, courtesy of Dr. Mark R. Wick

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CD141, courtesy of Dr. Mark R. Wick

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VonWillenbrand factor, courtesy of Dr. Mark R. Wick

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Courtesy of Dr. Mark R. Wick

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Courtesy of Dr. Mark R. Wick

Cytology description
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Cytology images
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Polygonal cells with moderate atypia

Positive stains
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Molecular / cytogenetics description
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Differential diagnosis
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Endovascular papillary hemangioendothelioma

General
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Case reports
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Gross images
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Testicular tumor

Micro description
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Micro images
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Testicular tumor

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VEGFR3+

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Dabska tumor, courtesy of Dr. Mark R. Wick

Positive stains
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Kaposiform hemangioendothelioma

General
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Case reports
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Clinical images
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Tonsillar mass

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Courtesy of Dr. Mark R. Wick

Micro description
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Micro images
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Glomeruloid nests of spindled and epithelioid cells

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"Cannon ball" appearance

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Slit-like lumens

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VEGFR3+

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Caption unknown

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Tonsillar mass

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Courtesy of Dr. Mark R. Wick

Positive stains
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Differential diagnosis
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Polymorphous hemangioendothelioma

General
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Micro description
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Micro images
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Left: kaposiform pattern with extravasated red blood cells and blood cells within neolumina; mild atypia, no mitotic activity Middle: epithelioid (lower right) and spindle patterns (upper left) with intracytoplasmic vacuoles containing erythrocytes Right: CD34+

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Typical mixed solid and angiomatous features




Retiform hemangioendothelioma

General
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Case reports
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Treatment
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Clinical images
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Finger

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Scalp

Gross description
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Micro description
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Clinical features
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Courtesy of Dr. Mark R. Wick

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Finger

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Scalp

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Case of Week #107

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Case of Week #107, CD31

Positive stains
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Negative stains
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Differential diagnosis
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Spindle cell hemangioendothelioma

General
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Case reports
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Clinical images
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Intramuscular tumor of temporal region

Gross description
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Micro description
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Micro images
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Intramuscular tumor of temporal region

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Various images

Positive stains
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End of Soft Tissue > Low / intermediate grade vascular tumors > Hemangioendothelioma



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