Tumourlet NOS: Pathology, Diagnostic Criteria, and Clinical Implications
1. Introduction to Tumourlet NOS Tumourlet NOS, or Not Otherwise Specified, refers to a specific, microscopic proliferation of cells that displays some neoplastic features but does not meet the size criteria or biological behavior thresholds required for a formal cancer diagnosis. In medical pathology, the term tumourlet most frequently describes tiny, localized clusters of neuroendocrine … Read more