Difference between revisions of "Soft tissue lesions"

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=Adipocytic tumours=
=Adipocytic tumours=
==Hibernoma==
===General===
*Consists of ''brown fat'' (present in the infants to generate heat).<ref>WMSP P.605.</ref>
*Benign.
*Usually asymptomatic.<ref name=pmid19131775>{{cite journal |author=Ahmed SA, Schuller I |title=Pediatric hibernoma: a case review |journal=J. Pediatr. Hematol. Oncol. |volume=30 |issue=12 |pages=900–1 |year=2008 |month=December |pmid=19131775 |doi=10.1097/MPH.0b013e318184e6dd |url=}}</ref>
===Epidemiology===
*Young adults.
===Gross===
*Well-circumscribed.
*Lobulated and light-brown on sectioning.
===Microscopic===
Features:<ref>{{cite journal |author=Chen DY, Wang CM, Chan HL |title=Hibernoma. Case report and literature review |journal=Dermatol Surg |volume=24 |issue=3 |pages=393–5 |year=1998 |month=March |pmid=9537018 |doi= |url=}}</ref>
*Large polygonal/oval cells:
**Nucleus - central & small.<ref>[http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675(06)70271-6 http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675(06)70271-6]</ref>
***Nucleoli typically prominent.<ref>[http://surgpathcriteria.stanford.edu/softfat/hibernoma/ http://surgpathcriteria.stanford.edu/softfat/hibernoma/]</ref>
**Cytoplasm - multivacuolated, oval, eosinophilic, granular.
Image:
*[http://en.wikipedia.org/wiki/File:Hibernoma1.jpg Hibernoma (WC)].
==Liposarcoma==
==Liposarcoma==
*Most common malignant sarcoma in the retroperitoneum.
*Most common malignant sarcoma in the retroperitoneum.
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*Factor VIII +ve.
*Factor VIII +ve.


=Other=
==Neurofibromatosis==
==Neurofibromatosis==
Comes in two flavours:
Comes in two flavours:
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## Schwannoma.
## Schwannoma.
## Juvenile cataract.
## Juvenile cataract.
==Hibernoma==
===General===
*Consists of ''brown fat'' (present in the infants to generate heat).<ref>WMSP P.605.</ref>
*Benign.
*Usually asymptomatic.<ref name=pmid19131775>{{cite journal |author=Ahmed SA, Schuller I |title=Pediatric hibernoma: a case review |journal=J. Pediatr. Hematol. Oncol. |volume=30 |issue=12 |pages=900–1 |year=2008 |month=December |pmid=19131775 |doi=10.1097/MPH.0b013e318184e6dd |url=}}</ref>
===Epidemiology===
*Young adults.
===Gross===
*Well-circumscribed.
*Lobulated and light-brown on sectioning.
===Microscopic===
Features:<ref>{{cite journal |author=Chen DY, Wang CM, Chan HL |title=Hibernoma. Case report and literature review |journal=Dermatol Surg |volume=24 |issue=3 |pages=393–5 |year=1998 |month=March |pmid=9537018 |doi= |url=}}</ref>
*Large polygonal/oval cells:
**Nucleus - central & small.<ref>[http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675(06)70271-6 http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675(06)70271-6]</ref>
***Nucleoli typically prominent.<ref>[http://surgpathcriteria.stanford.edu/softfat/hibernoma/ http://surgpathcriteria.stanford.edu/softfat/hibernoma/]</ref>
**Cytoplasm - multivacuolated, oval, eosinophilic, granular.
Image:
*[http://en.wikipedia.org/wiki/File:Hibernoma1.jpg Hibernoma (WC)].


==Small round blue cell tumours (SRBCT)==
==Small round blue cell tumours (SRBCT)==
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