In histology, a signet ring cell is a malignant cell type seen predominantly in carcinomas.
Signet ring cells are most frequently associated with stomach cancer, but can arise from any number of tissues including the prostate, bladder, gallbladder, breast, colon, ovarian stroma and testis.
Read more about Signet Ring Cell: Appearance, Diagnostic Significance, Classification, See Also
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—Voltaire [François Marie Arouet] (1694–1778)