Interesting thread. Thanks for kicking it off. Does anybody have a reference that cites diagnostic errors caused by floaters / contamination from other specimens?
John On Mon, Dec 7, 2020 at 9:15 AM, Joe W. Walker, Jr. via Histonet <histonet@lists.utsouthwestern.edu> wrote: > Don’t shoot the messenger. :) > > Joe W. Walker, Jr. MS, SCT(ASCP) > Anatomical Pathology and Interim Phlebotomy Manager > Rutland Regional Medical Center > 160 Allen Street, Rutland, VT 05701 > P 802.747.1790 F 802.747.6525 > joewal...@rrmc.org, www.rrmc.org > > -----Original Message----- > From: Terri Braud via Histonet <histonet@lists.utsouthwestern.edu> > Sent: Monday, December 7, 2020 8:42 AM > To: 'histonet@lists.utsouthwestern.edu' <histonet@lists.utsouthwestern.edu> > Subject: Re: [Histonet] Floaters > > [External Email] This email originated from outside of the organization. > Think before you click: Don’t click on links, open attachments or respond to > requests for sensitive information if the email looks suspicious or you don’t > recognize the sender. > > 60% of floaters from the water bath? I find that really hard to believe. > The Gephardt and Zarbo CAP study from 1996 showed reported the results of a > Q-Probes study of 275 laboratories and documented a frequency of > contamination of between 0.6% and 2.9%, depending on the study method. Their > study demonstrated the rate of extraneous tissue contamination was higher for > blocks than for slides and higher in a retrospective review than in a > prospective study. So in other words, when people knew they were being > studied, they were more careful and the contamination rate went down, but in > retrospect, the majority of floaters occurred in the blocks, not the water > bath. > > Terri L. Braud, HT(ASCP) > Anatomic Pathology Supervisor > HNL Labs, Holy Redeemer Hospital > 1648 Huntingdon Pike > Meadowbrook, PA 19046 > ph: 215-938-3689 > fax: 215-938-3874 > Care, Comfort, and Heal > Today's Topics: > > 1. "Floaters" in surgical or cytology specimens > (Martha Ward-Pathology) > 2. Re: "Floaters" in surgical or cytology specimens > (Joe W. Walker, Jr.) > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 4 Dec 2020 13:55:20 +0000 > From: Martha Ward-Pathology <mw...@wakehealth.edu> > To: "histonet@lists.utsouthwestern.edu" > <histonet@lists.utsouthwestern.edu> > Subject: [Histonet] "Floaters" in surgical or cytology specimens > Message-ID: > <b2cecb1b6665a4479056478f6de3c4ab01ad767...@exchdb6.medctr.ad.wfubmc.edu> > > Content-Type: text/plain; charset="us-ascii" > > I am posting this question for a colleague in our Cytology department. How > often do you see floaters on surgical or cytology specimens? Obviously we > would never want to see any type of carryover but is there a standard rate > published somewhere that he can reference? > > Thanks in advance for your help. > > Martha Ward, MT ASCP, QIHC > Manager, Molecular Diagnostics Lab > Wake Forest Baptist Medical Center > > ------------------------------ > > Message: 2 > Date: Fri, 4 Dec 2020 17:41:11 +0000 > From: "Joe W. Walker, Jr." <jwwal...@rrmc.org> > To: Martha Ward-Pathology <mw...@wakehealth.edu> > Cc: "histonet@lists.utsouthwestern.edu" > <histonet@lists.utsouthwestern.edu> > Subject: Re: [Histonet] "Floaters" in surgical or cytology specimens > Message-ID: > <bl0pr11mb3155934b94c32b5358af2485bb...@bl0pr11mb3155.namprd11.prod.outlook.com> > > Content-Type: text/plain; charset="utf-8" > > https://urldefense.com/v3/__https://academic.oup.com/ajcp/article/136/5/767/1766314__;!!I87qwjxLstg3H_X5!rJ2yq9KcDC2PooORZtJvXi4R8vHOIg5tak39dSSWFLa5SL1M73A18pgYpUvPASA$ > > "Floaters represent a potential source of diagnostic error and occur in 0.01% > to 1.2% of slides. Pick up of floaters from the water bath appears most > common (?60%). Floaters in only 1 level and mismatch with the specimen tissue > type are clues to the extraneous nature of the floater." > > Joe W. Walker, Jr. MS, SCT(ASCP) > Anatomical Pathology and Interim Phlebotomy Manager Rutland Regional Medical > Center > 160 Allen Street, Rutland, VT 05701 > P 802.747.1790 F 802.747.6525 > joewal...@rrmc.org, http://www.rrmc.org > > -----Original Message----- > From: Martha Ward-Pathology via Histonet <histonet@lists.utsouthwestern.edu> > Sent: Friday, December 4, 2020 8:55 AM > To: histonet@lists.utsouthwestern.edu > Subject: [Histonet] "Floaters" in surgical or cytology specimens > > [External Email] This email originated from outside of the organization. > Think before you click: Don?t click on links, open attachments or respond to > requests for sensitive information if the email looks suspicious or you don?t > recognize the sender. > > I am posting this question for a colleague in our Cytology department. How > often do you see floaters on surgical or cytology specimens? Obviously we > would never want to see any type of carryover but is there a standard rate > published somewhere that he can reference? > > Thanks in advance for your help. > > Martha Ward, MT ASCP, QIHC > Manager, Molecular Diagnostics Lab > Wake Forest Baptist Medical Center > _______________________________________________ > Histonet mailing list > Histonet@lists.utsouthwestern.edu > https://urldefense.com/v3/__http://lists.utsouthwestern.edu/mailman/listinfo/histonet__;!!I87qwjxLstg3H_X5!vtJNIWgmSiJpyLbSct_WD7kUYBMBOk43t6WiqJfWPo6GJv5urHibw3NEp3Ztj3I$ > [https://www.rrmc.org/app/files/public/3159/ValesEmailSig2020.jpg] > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Histonet mailing list > Histonet@lists.utsouthwestern.edu > https://urldefense.com/v3/__http://lists.utsouthwestern.edu/mailman/listinfo/histonet__;!!I87qwjxLstg3H_X5!rJ2yq9KcDC2PooORZtJvXi4R8vHOIg5tak39dSSWFLa5SL1M73A18pgYIVvlKVk$ > > ------------------------------ > > End of Histonet Digest, Vol 205, Issue 2 > **************************************** > > _______________________________________________ > Histonet mailing list > Histonet@lists.utsouthwestern.edu > https://urldefense.com/v3/__http://lists.utsouthwestern.edu/mailman/listinfo/histonet__;!!I87qwjxLstg3H_X5!rJ2yq9KcDC2PooORZtJvXi4R8vHOIg5tak39dSSWFLa5SL1M73A18pgYIVvlKVk$ > _______________________________________________ > Histonet mailing list > Histonet@lists.utsouthwestern.edu > http://lists.utsouthwestern.edu/mailman/listinfo/histonet _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet
