Difference between revisions of "Soft tissue lesions"

Soft tissue lesions (view source)

618 bytes removed , 19:57, 2 July 2010

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 **Frequently has some prognostic significance.
 **May directly affect treatment.
-=Other=
-==Small round blue cell tumours (SRBCT)==
-A group of tumours that has a similar histologic appearance.  It is a group of tumours that is seen more often in childhood than adulthood.
-===DDx===
-*Neuroblastoma.
-*Wilm's tumour.
-*Alveolar rhabdomyosarcoma.
-*Ewing sarcoma/PNET - this entity is dealt with in the ''[[bone]]'' article.
-*Lymphoma (diffuse large B cell lymphoma).
-*Retinoblastoma.
-*Hepatoblastoma.
-*Desmoplastic small round cell tumour.
-===Microscopic===
-Features:
-*Sheets of cells, very cellular.
-*Small cells ~ 2X RBC diameter.
-*Scant cytoplasm.
-*Coarse chromatin.
-*Nucleolus (???).
-*+/-Vascular.
 =Adipocytic tumours=