[Histonet] (no subject)

2023-10-05 Thread Rhonda McCormick via Histonet
Hi there, 
Any recommendations for a ductless, tabletop, fume hood (roughly 27 wide x 22 
deep x 13 high)? I have done searches online, but would appreciate any 
recommendations.
Thank you!Rhonda McCormick
Medical laboratory supervisor

CVM Histology Diagnostic Laboratory,

Texas A University

College station-TX-77843, TAMU -4467


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[Histonet] Long term museum specimen storage

2023-09-20 Thread Rhonda McCormick via Histonet
Hi All,
I am looking to replace the fixative for veterinary specimens that have been 
preserved as "museum specimens". They are kept in jars in a glass case outside 
our lab, however, some of the fixative is starting to turn brown (and we've 
pulled a few jars that have some slight cracks in them).
The specimens are currently in Jore's Fixative: 100 mL Distilled water
10 mL 40% Formaldehyde2 g Magnesium Sulfate2 g Sodium Sulfate1 g Sodium Chloride
Preserving specimens is new to me. I've never heard of Jore's fixative before 
and I'm wondering if I could get some advice, please?  Do these specimens need 
to be replaced with the same solution? Could we rinse the specimen and replace 
the solution with 70% Alcohol? OR would 10% NBF be better to store the 
specimens in (or something al together different)? We have a varying display of 
specimens - anywhere from a small porcine optic nerve to a large equine 
granulosa cell tumor. Realizing it may be different based on the size of the 
specimen, approximately how often should the solution be changed ?
Thank you so much! Any help or insight is much appreciated. 
Rhonda McCormickRhonda McCormick BS, HT (ASCP)cm
Histology Diagnostic Lab Supervisor

College of Veterinary Medicine
Texas A University

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[Histonet] Gram Stain

2023-08-30 Thread Rhonda McCormick via Histonet
Howdy,Does anyone have a recommendation for a Gram stain (or modification of a 
gram stain) that stains the background yellow with red gram-negative bacteria  
(no blue - gram positive staining).Thank you!
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[Histonet] (no subject)

2023-07-03 Thread Rhonda McCormick via Histonet
Hello, I'm wondering if anyone does the Brown-Hopps Gram stain for gram 
negative bacteria. If so, would you mind to send your protocol please?
Any recommendations for a gram negative (only) stain - specifically E. coli? 
One of our residents is asking.
Thank you!
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[Histonet] AP

2021-09-22 Thread Rhonda McCormick via Histonet
Would anyone please share any information regarding staining FFPE tissue with 
Alkaline Phosphatase for osteosarcomas. Is it solely performed by IHC or are 
there any special stains that could be used?TIA
Rhonda McCormick BS, HT (ASCP)cm
Histology Diagnostic Lab Supervisor

College of Veterinary Medicine

Texas A University

Lab: 979.845.5149rmccormic...@tamu.edu
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[Histonet] Crusting lesions and thick cattle skin

2020-12-07 Thread Rhonda McCormick via Histonet
Hi!I'm looking for recommendations for cutting FFPE blocks that contain thick 
cattle hide/skin and crusting lesions. What do you all use to soften this kind 
of tissue?  Our lab has used Millifex, fabric softener, and nair.  We read 
ammonia may work to rehydrate the tissue enough to get a decent section. Has 
anyone tried that?Thanks in advance for your help!Rhonda
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[Histonet] MelanA

2020-10-22 Thread Rhonda McCormick via Histonet
 I thought I'd reach out and see if anyone can help with some IHC 
troubleshooting (or know someone who might). Our Melan A that once was working 
on our canine tissue, no longer is.

We are using:

1:300 dilution of the Leica MelA antibody

BioCare IHC platform

Antigen Retrieval performed in pressure cooker

Alkaline Phosphatase detection


We are also using known controls and still... no staining. 

We'd appreciate any ideas or recommendations (or even questions that might lead 
to those "lightbulb" moments). Sometimes when you're so mired in the problem, 
it just takes someone else to shed some light on it.


Thank you


Rhonda 

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[Histonet] (no subject)

2019-08-14 Thread Rhonda McCormick via Histonet
Help!

I became HT certified in 2004 under the HS degree and lab experience 
qualification.  I do have a Bachelor’s Degree in Education,, with only 12 hours 
of science.  I am looking to relocate to Texas and therefore am job hunting.  
The problem I’m running into is that without an Associates Degree or Bachelors 
in a Science related field, I am not being considered for job opportunities 
even though I have 17 years of experience (and am a good histo tech and good 
employee with great references). 
Is anyone else running into this problem? Does the Histonet world recommend I 
go back to school - or just be patient, trusting a job will eventually come 
along?
Thanks!
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