ISSN 2398-2969      

Staining technique: Toluidine blue



  • Toluidine blue stain is used to visualize mast cell granules in poorly differentiated mast cell tumors.
  • Improves sharpness of histological images.

Send to referral laboratory.


  • Identification of mast cells.


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Further Reading


Refereed papers

Other sources of information

  • Dunn J K & Gerber K (2005) Diagnostic Cytology. In:BSAVA Clinical & Feline Clinical Pathology. 2nd edn. Eds: Villiers E & Blackwood L. BSAVA, Gloucester. pp 305-339.


  • Mary Pinborough, Pinmoore Animal Laboratory Services Ltd, The Coach House, Town House Barn, Clotton, Cheshire CW6 0EG, UK. Tel: +44 (0)1829 781855; Email: ; Website: .

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