Difference between revisions of "Myxoid lesions"

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Myxoid lesions (view source)

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'''Myxoid lesions''' occasionally appear on the [[pathologist]]'s desk. The [[differential diagnosis]] is very large, as many lesions have a myxoid variant.
'''Myxoid lesions''' occasionally appear on the [[pathologist]]'s desk. The [[differential diagnosis]] is very large, as many lesions have a myxoid variant.


'''Mucinous tumours''' redirects here; the terms ''myxoid'' and ''mucinous'' may be used interchangably.<ref name=pmid12722122>{{Cite journal  | last1 = Layfield | first1 = LJ. | title = Cytologic differential diagnosis of myxoid and mucinous neoplasms of the sacrum and parasacral soft tissues. | journal = Diagn Cytopathol | volume = 28 | issue = 5 | pages = 264-71 | month = May | year = 2003 | doi = 10.1002/dc.10281 | PMID = 12722122 }}</ref>  ''[[Mucinous carcinoma]]'' is dealt with in its own article.
=Short list=
==Myxoid stroma==
==Myxoid stroma==
Features:
Features:
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*[[Myxoid chondrosarcoma]].
*[[Myxoid chondrosarcoma]].
*[[Aggressive angiomyxoma]].
*[[Aggressive angiomyxoma]].
*Myxoid [[malignant peripheral nerve sheath tumour]].
*Myxoid [[desmoid fibromatosis]].
*[[Intramuscular myxoma]].


===Dermatopathology===
===Dermatopathology===
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===Kidney pathology===
===Kidney pathology===
[[Renomedullary interstitial cell tumour]].
*[[Renomedullary interstitial cell tumour]].
*[[Renal mucinous tubular and spindle cell carcinoma]].


===Salivary gland pathology===
===Salivary gland pathology===
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*[[Chondroid syringoma]].
*[[Chondroid syringoma]].


==See also==
=An exhaustive differential diagnosis for myxoid lesions=
Adapted from ''Miller'' with modifications:<ref name=miller>Miller RT. (Sep 2013). ''Atlantic Diagnostic Immunohistochemistry Symposium''. St. John's, NL, Canada.</ref>
<center>
{| class="wikitable sortable"
! Tumour
! Group
! Notes/comments
|-
| [[Perineurioma]]
| other
| 
|-
| [[Spindle cell squamous carcinoma]]
| carcinoma
| 
|-
| [[Myxoid pleomorphic undifferentiated sarcoma]]
| sarcoma
|myxoid MFH
|-
| [[Myxoid liposarcoma]]
| sarcoma
| 
|-
| [[Lipoblastoma]]
| other
| 
|-
| [[Myxoid chondrosarcoma]]
| sarcoma
| 
|-
| [[Chordoma]]
| other
| 
|-
| [[Myxoid leiomyoma]]
| mesenchymal lesion
| 
|-
| [[Myxoid leiomyosarcoma]]
| sarcoma
| 
|-
| [[Myxoid GIST]]
| mesenchymal lesion
| 
|-
| [[Myxoid solitary fibrous tumour]]
| mesenchymal lesion
| 
|-
| [[Myxoid omental-mesenteric hamartoma]]
| other
| 
|-
| [[Myxoid neurofibroma]]
| other
| 
|-
| [[Myxofibrosarcoma]]
| sarcoma
|some atypia, no swirling, vacuoles
|-
| [[Myxohyaline tumor of distal extremities]]
| other
| 
|-
| [[Myxoid dermatofibroma]]
| other
| 
|-
| [[Cutaneous myxoid cyst, cutaneous myxoma]]
| other
| 
|-
| [[Cardiac myxoma]]
| other
| 
|-
| [[Spindle cell lipoma]]
| mesenchymal lesion
|occasionally
|-
| [[Myxoma]]
| other
|brain-like appearance on CD34
|-
| [[Schwannoma]]
| other
| 
|-
| [[Metastatic myxoid carcinoma]]
| carcinoma
|GI, ovary, breast
|-
| [[Myxoid fibrosarcoma]]
| sarcoma
| 
|-
| [[Myxolipoma]]
| mesenchymal lesion
| 
|-
| [[Focal mucinosis]]
| other
| 
|-
| [[Appendiceal mucocele]]
| other
|Myxoglobulosis-like change
|-
| [[Mucocele of lip]]
| other
|Myxoglobulosis-like change
|-
| [[Mesenchymal hamartoma of liver]]
| other
|bile ducts in myxoid background
|-
| [[Angiomyxoma ]]
| other
| 
|-
| [[Inflammatory myxohyaline tumor of distal extremities]]
| other
| 
|-
| [[Ossifying fibromyxoid tumor of soft parts]]
| other
| 
|-
| [[Myxoid osteosarcoma]]
| sarcoma
| 
|-
| [[Myxoinflammatory fibroblastic sarcoma]]
| sarcoma
| 
|-
| [[Myxopapillary ependymoma]]
| other
| 
|-
| [[Myxoid synovial sarcoma]]
| other
| 
|-
| [[Neurothekeoma]]
| other
|myxoid variant
|-
| [[Aggressive angiomyxoma]]
| mesenchymal lesion
| 
|-
| [[Angiomyofibroblastoma]]
| mesenchymal lesion
| 
|-
| [[Giant cell angiofibroma]]
| mesenchymal lesion
| 
|-
| [[Dermatofibrosarcoma protuberans]]
| other
| 
|-
| [[Embryonal rhabdomyosarcoma]]
| sarcoma
| 
|-
| [[Inflammatory myofibroblastic tumour]]
| other
| 
|-
| [[Cellular blue nevus]]
| other
| 
|-
| [[Superficial acral fibromyxoma]]
| mesenchymal lesion
| 
|-
| [[Intamuscular myxoma]]
| mesenchymal lesion
| 
|-
| [[Dermatofibroma]]
| other
| 
|-
| [[Nodular fasciitis]]
| other
| 
|-
|}</center>
 
=See also=
*[[Long power list]].
*[[Long power list]].
=References=
{{Reflist|1}}


[[Category:Stuff]]
[[Category:Stuff]]
Michael
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