Difference between revisions of "Basics"

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Notes:
Notes:
*''[[Malignant melanoma]]'', also ''melanoma'', is a separate category as it can look like almost anything under the microscope.
*The above is a useful clinical classification. The problem is it isn't that useful for problem solving in front of the microscope as:
*''Hematologic'' includes [[lymphoma]], [[leukemia]], [[plasma cell neoplasms]] and others.
*Memory device ''HMN GEM'': hematologic, melanoma, neuroendocrine carcinoma, germ cell, epithelial, mesenchymal.
*The above is a useful clinical classification. The problem is it isn't that useful for problem solving in front of the microscope.
**Germ cell tumours are often not distinctive.  
**Germ cell tumours are often not distinctive.  
**Numerous epithelioid sarcomas can mimic carcinomas.  
**Numerous epithelioid sarcomas can mimic carcinomas.  
**Spindle cell carcinomas can mimic sarcomas very well.  
**Spindle cell carcinomas can mimic sarcomas very well.  
**Neuroendocrine differentiation  is not always readily apparent.
**Neuroendocrine differentiation  is not always readily apparent.
*''[[Malignant melanoma]]'', also ''melanoma'', is a separate category as it can look like almost anything under the microscope.
*''Hematologic'' includes [[lymphoma]], [[leukemia]], [[plasma cell neoplasms]] and others.
*Memory device ''HMN GEM'': hematologic, melanoma, neuroendocrine carcinoma, germ cell, epithelial, mesenchymal.


===Morphologic grouping===
===Morphologic grouping===
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