Difference between revisions of "Malignant melanoma"

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101 bytes removed ,  20:48, 3 May 2011
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DDx:
DDx:
*Carcinoma.
*Carcinoma.
**Esp. serous carcinoma - both serous carcinoma and melanoma have a large [[nucleolus]].
**Serous carcinoma - both serous carcinoma and melanoma have a large [[nucleolus]].
*Sarcoma - as may have spindle cells.
*Sarcoma - as may have spindle cells.
**Esp. [[clear cell sarcoma]].
**[[Clear cell sarcoma]].
**Metaplastic carcinoma.
**Epithelioid angiosarcoma.
*Lymphoma.
*Lymphoma.
*Other [[melanocytic lesions]].


Notes:
Notes:
*Can look almost like anything.
*Can look almost like anything.
**Like it is said that [[sarcoidosis]] is in every internal medicine DDx... melanoma is every pathologic DDx.
**Like it is said that [[sarcoidosis]] is in every internal medicine DDx... melanoma is every pathologic DDx.
*Melanomas with:
**An epitheloid cell morphology may mimic adenocarcinoma.
**A spindle cell morphology may mimic spindle cell carcinoma (squamous cell carcinoma) or a sarcoma.


==[[Electron microscopy]]==
==[[Electron microscopy]]==
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