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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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