Difference between revisions of "Metastases"
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'''Metastases''' are tumours that have spread from elsewhere and are separate from the initial (primary) lesion; usually, they are an ominous finding. They may also be referred to as '''secondary tumours'''. | '''Metastases''' are tumours that have spread from elsewhere and are separate from the initial (primary) lesion; usually, they are an ominous finding. They may also be referred to as '''secondary tumours'''. | ||
Seen from pathology, ''metastatic disease'' and ''direct extension of a tumour'' (on a biopsy) may be | Seen from pathology, ''metastatic disease'' and ''direct extension of a tumour'' (on a biopsy) may be indistinguishable. | ||
Metastases are not always obvious when encountered; thus, ''metastasis'' should be considered with every diagnosis of a [[cancer|malignant tumour]]. | Metastases are not always obvious when encountered; thus, ''metastasis'' should be considered with every diagnosis of a [[cancer|malignant tumour]]. | ||