Undergrading

Undergrading

In numismatics, the act or practice of appraising a coin for less than it is actually worth. This is an unethical practice, often conducted by persons who are trying to buy a valuable coin without paying full price.
References in periodicals archive ?
Although undergrading biopsy GS is the most common problem,[sup.
The risk of undergrading biopsy GS=6 must be considered when a therapeutic option for prostate cancer is chosen.
In the few discordances, there was more frequent undergrading than overgrading (60.
Literaturle olan farklilik histopatolojik degerlendirmenin biyopsi materyali olmasi, biyopsideki undergrading ve retrospektif calisma olmasiyla aciklanabilir.
Producers accused grain elevator operators of dishonest weighing, of imposing high dockage charges, and of undergrading, allegations that had a definite basis.
Undergrading may result from difficulty in recognizing an infiltrative growth pattern or failing to recognize the presence of small areas of gland fusion.
This relatively low level of agreement was predominantly due to the undergrading of low-grade carcinomas in needle biopsies, whereas the agreement was more exact in high-grade carcinomas.
The correlation between biopsy and radical prostatectomy specimens still remains a problem, specifically and significantly the undergrading of the biopsy specimen.
Some studies have suggested that undergrading of tumors can occur when grading is performed on limited samples obtained by needle biopsy.
Interpretive errors in 23% of cases have been documented, with discordance between institutional pathologists and central reviewing pathologists, the majority of which represented undergrading of infiltrating well-formed glands (pattern 3) as pattern 1 or 2, and failure to recognize glandular fusion as pattern 4.