MAY-GRUNWALD GIEMSA METHOD.
DRAFT COPY ONLY.
(Procedure 67).
http://www.netautopsy.org/axsop/axsop067.htm


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United States Government Work, uncopyrighted, public-domain, DRAFT COPY ONLY. This document does not necessarily represent the views or policies of any United States Government agency. This document is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and non-infringement. In no event shall the authors be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of, or in connection with the document or the use or other dealings made with the document.



PRINCIPLE OF THE TEST.

      To stain paraffinized tissue sections for Giemsa positivity, required in the diagnosis of some diseases encountered in anatomic pathology, especially Helicobacter in gastric biopsies.



SPECIMEN REQUIRED.

      All human tissue excised at surgery, outpatient clinics, and postmortems, fresh or in fixative, along with a filled-out Tissue Examination Form (U. S. Standard Form 515, USSF515).



REAGENTS, INSTRUMENTATION.


Jenner solution (stock, working). Jenner stain powder. Methyl Alcohol. Giemsa solution (stock, working). Giemsa powder. Glycerine. 1% Glacial acetic acid solution. Glacial acetic acid. Iodine. Sodium thiosulfate. 95% alcohol. Absolute alcohol. Xylene substitute. Permount or Histoclad.



STEP-BY-STEP DESCRIPTION.






FlXATION: Zenker's or other well-fixed tissue.

TECHNIQUE: Cut paraffin sections at 6 microns.

SOLUTIONS:

JENNER SOLUTION (STOCK).

Jenner stain............................... 1 gm.

Alcohol, methyl............................ 400 ml.

JENNER SOLUTION (WORKING)

Jenner solution (stock)................... 25 ml

Distilled water........................... 25 ml

GIEMSA SOLUTION (STOCK)

Giemsa powder............................. 1 gm

Glycerin.................................. 66 ml

Alcohol, methyl........................... 66 ml

      Mix glycerin and Giemsa powder. Place in 60 o C oven for 2 hours. Cool and add methyl alcohol.

GIEMSA SOLUTION (WORKING)

Giemsa solution (stock)................. 50 drops

Distilled water.......................... 50.0 ml

1% GLACIAL ACETIC WATER SOLUTION

Glacial acetic acid...................... 1.O ml

Distilled water......................... 100.0 ml

STAINING PROCEDURE.

1. Deparaffinize and hydrate to distilled water.

2. Remove mercuric chloride crystals with iodine and clear with sodium thiosulfate.

3. Wash in running water for 10 minutes.

4. Rinse in distilled water, two changes.

5. Methyl alcohol, two changes for 3 minutes each.

6. Working Jenner solution for 6 minutes.

7. Working Giemsa solution for 45 minutes.

8. Handle each s1ide individually in this and subsequent steps. Differentiate in glacial acetic water solution, then check microscopically for well differentiated nuclei.

9. Rinse in distilled water.

10. Dehydrate quickly in 95% alcohol, absolute alcohol, and clear with xylene substitute, two changes each.

11. Mount with Permount or Histoclad

CONTROL: Helicobacter gastritis skin

RESULTS.

Nuclei .......... blue.

Cytoplasm ....... pink to rose.

Bacteria ........ blue.



REFERENCES.


1. Swisher BL.
Microorganisms. Chapter 16, pp. 325-344.
In: Bancroft JD, Gamble M. Theory and Practice of Histological Techniques. Fifth Edition. Edinburgh: Churchill Livingstone. 2002;:325-344. ISBN 0-443-06435-0, 796 pages.

2. Prophet EB, Mills B, Arrington JB, Sobin LH, eds.
Laboratory Methods in Histotechnology.
Washington, DC: Armed Forces Institute of Pathology. 1992;:.
ISBN 1-881041-00-X, 278 pages.

3. Mikel UV, ed.
Advanced Laboratory Methods in Histology and Pathology.
Washington, DC: Armed Forces Institute of Pathology. 1994;:.
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4. Christensen E, Bofin A, Guethmundsdottir I, Skogvoll E.
Cytological diagnosis of basal cell carcinoma and actinic keratosis, using Papanicolaou and May-Grunwald-Giemsa stained cutaneous tissue smear.
Cytopathology. 2007 Oct 4;:.
PMID: 17916094.
PubMed Entry

5. Strumia MM.
Freezing of Whole Blood.
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The preservation of whole blood.
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