48,830
edits
Line 221: | Line 221: | ||
Notes: | Notes: | ||
*The above is a useful clinical classification. The problem is it isn't that useful for problem solving in front of the microscope as: | |||
*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=== |
edits