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47. Tumours of adipose tissue and peripheral nerves, synovial sarcoma: Difference between revisions

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47. Tumours of adipose tissue and peripheral nerves, synovial sarcoma (view source)

Revision as of 18:54, 7 May 2023

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(Created page with "''Since writing this topic, "extraskeletal Ewing sarcoma" has been added to the topic.'' == Introduction == Tumors of the adipose tissues are either subtypes of lipoma or subtypes of liposarcoma. Here are some important types: * Lipoma ** Conventional lipoma ** Angiolipoma – comprised of adipocytes and blood vessels ** Angiomyolipoma – comprised of adipocytes, smooth muscle cells and vessels ** Intramuscular lipoma – arises from adipose tissue within muscle ** Hi...")
 
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Angiolipomas are similar to the conventional type, but painful.
Angiolipomas are similar to the conventional type, but painful.


Angiomyolipoma is most commonly found in the perirenal fat tissue. It’s actually the most common benign kidney tumor.
Angiomyolipoma is most commonly found in the perirenal fat tissue. Some consider it the most common benign kidney tumor (others consider oncocytoma to be the most common).


While lipomas are usually solitary masses, they can be multiple in certain genetic conditions. Lipomatosis is a group of diseases where affected people develop multiple lipomas. These lipomas are often diffuse and non-encapsulated, in contrast to sporadic lipomas.
While lipomas are usually solitary masses, they can be multiple in certain genetic conditions. Lipomatosis is a group of diseases where affected people develop multiple lipomas. These lipomas are often diffuse and non-encapsulated, in contrast to sporadic lipomas.