Difference between revisions of "Peripheral nerve sheath tumours"

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Peripheral nerve sheath tumours (view source)

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==Traumatic neuroma==
==Traumatic neuroma==
===General===
:May be referred to as ''neuroma''.
*Consequence of trauma - diagnosis requires history of trauma.
{{Main|Traumatic neuroma}}
**May mimic a cancer recurrence at the site of a surgery.<ref name=pmid22330690/>
 
===Microscopic===
Features:<ref name=Ref_DCHH317>{{Ref DCHH|317}}</ref><ref name=pmid22330690/>
*+/-Nerve - that was injured.
*Grouping of disordered nerve fibre bundles in fibrous tissue (collagen) - '''key feature'''.
*+/-Myxoid change.
*+/-Axonal swellings (ovoid pink/purple blobs).
 
DDx:
*[[Morton neuroma]] (foot).
 
Images:
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3296625/figure/F2/ Traumatic neuroma (nih.gov)].<ref name=pmid22330690>{{Cite journal  | last1 = Li | first1 = Q. | last2 = Gao | first2 = EL. | last3 = Yang | first3 = YL. | last4 = Hu | first4 = HY. | last5 = Hu | first5 = XQ. | title = Traumatic neuroma in a patient with breast cancer after mastectomy: a case report and review of the literature. | journal = World J Surg Oncol | volume = 10 | issue =  | pages = 35 | month =  | year = 2012 | doi = 10.1186/1477-7819-10-35 | PMID = 22330690 }}</ref>
*[http://path.upmc.edu/cases/case502.html Traumatic neuroma - several images (upmc.edu)].
*[http://www.sarcomaimages.com/index.php?v=Neuroma,-Traumatic Traumatic neuroma (sarcomaimages.com)].
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2627419/figure/F1/ Traumatic neuroma (nih.gov)].<ref name=pmid17554193>{{Cite journal  | last1 = Kwon | first1 = JH. | last2 = Ryu | first2 = SW. | last3 = Kang | first3 = YN. | title = Traumatic neuroma around the celiac trunk after gastrectomy mimicking a nodal metastasis: a case report. | journal = Korean J Radiol | volume = 8 | issue = 3 | pages = 242-5 | month =  | year =  | doi =  | PMID = 17554193 | PMC = 2627419 }}</ref>
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2835865/figure/F3/ Neuroma (nih.gov)].<ref name=pmid20224738>{{Cite journal  | last1 = Kitcat | first1 = M. | last2 = Hunter | first2 = JE. | last3 = Malata | first3 = CM. | title = Sciatic neuroma presenting forty years after above-knee amputation. | journal = Open Orthop J | volume = 3 | issue =  | pages = 125-7 | month =  | year = 2009 | doi = 10.2174/1874325000903010125 | PMID = 20224738 }}</ref>
 
===Sign out===
<pre>
Submitted as "Neuroma Left Foot", Excision:
- Consistent with neuroma.
- Atherosclerosis, moderate.
</pre>
 
====Block letters====
<pre>
SOFT TISSUE LESION, RIGHT WRIST, EXCISION:
- TRAUMATIC NEUROMA.
- BENIGN FIBROADIPOSE TISSUE.
</pre>
 
====Micro====
The sections show disordered nerve fibre bundles in fibrous tissue.


==Palisaded encapsulated neuroma==
==Palisaded encapsulated neuroma==
Michael
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