Difference between revisions of "Soft tissue lesions"

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1,018 bytes added ,  02:32, 11 May 2011
m (→‎IHC: PGP)
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=Fibroblastic/myofibroblastic tumours=
=Fibroblastic/myofibroblastic tumours=
==Inflammatory myofibroblastic tumour==
*[[AKA]] inflammatory pseudotumour, AKA inflammatory fibrosarcoma.<ref name=Ref_WMSP610>{{Ref WMSP|610}}</ref>
===General===
*Mostly benign.
*Children & young adults.
*Classically located in mesentery of ileocolic region or small bowel.<ref name=Ref_WMSP610>{{Ref WMSP|610}}</ref>
===Microscopic===
Features:<ref name=Ref_WMSP610>{{Ref WMSP|610}}</ref>
*Inflammation:
**Plasma cells.
**Lymphocytes.
**Eosinophils.
*Spindle cells without atypia.
*+/-Fasciular architecture.
*Mitoses -- though none atypical.
*+/-Necrosis.
*+/-Hemorrhage.
*Calcifications.
DDx:
*Calcifying fibrous pseudotumour (has psammomatous calcifications).
*Inflammatory fibroid tumour.
*Nodular fasciitis.
Notes:
*Some consider this a wastebasket diagnosis... for benign appearing spindle cell lesions.<ref>URL: [http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970283-2 http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970283-2]. Accessed on: 10 May 2011.</ref>


==Nodular fasciitis==
==Nodular fasciitis==
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