signet ring


Also found in: Dictionary, Thesaurus, Wikipedia.
Related to signet ring: signet ring cell

sig·net ring

the early stage of trophozoite development of the malaria parasite in the red blood cell; the parasite cytoplasm stains blue around its circular margin, and the nucleus stains red in Romanowsky stains, whereas the central vacuole is clear, giving the anular appearance.
A term of art referring to a morphology which by microscopy or an imaging modality has an appearance not unlike that of a signet ring
References in periodicals archive ?
No longer the preserve of aristos, who'd usually have had theirs passed down the generations from some great-greatgrandfather who used it to seal his letters, you can find stylish signet rings everywhere these days featuring everything from initials to gemstones.
In our study, the 5-year OS of muscular and signet ring cell adenocarcinoma were 59.3% and 27%, respectively, while it was 64.6% in adenocarcinoma.
All the rings, apart from the signet ring, are small sizes (either J or K).
Signet ring stromal cell tumors have occurred in premenopausal and postmenopausal women (ages 21-83), often presenting with pelvic or lower abdominal pain, with or without a clinically detectable pelvic mass.
Histopathological examination reported Signet ring gastric carcinoma.
They were categorized into eight groups: serrated polyp, LAMN, HAMN, mucinous adenocarcinoma, poorly differentiated adenocarcinoma, signet ring cell, signet ring cell adenocarcinoma, and adenocarcinoma.
"For example, Anne's engagement ring, her late father's signet ring - the only thing she has left of him.
Histologic variants of invasive lobular carcinoma are classic, solid, alveolar, pleomorphic, tubulolobular, signet ring cell, and mixed type.
Therefore, especially before diagnosing epithelioid-type stromal tumors, lobular and signet ring cell carcinomas of the breast must be differentiated by immunohistochemical and radiological examinations.
On June 26, 2015, she underwent esophagogastroduodenoscopy in a local hospital, which revealed a large ulcerative lesion in the greater curvature near the antrum of the stomach, and biopsy of the lesion indicated signet ring cell adenocarcinoma.
Terada, "Extramammary paget disease of signet ring cell carcinoma type: a case report," American Journal of Dermatopathology, vol.
Rybicki et al., "Clinicopathologic and molecular features of sporadic early-onset colorectal adenocarcinoma: an adenocarcinoma with frequent signet ring cell differentiation, rectal and sigmoid involvement, and adverse morphologic features," Modern Pathology, vol.