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BAL Cytology

When you have your sample read at the Tufts Bronchoalveolar Lavage Cytology Service, not only do you get a cytological diagnosis, but you also have access to clinical advice.  If you need detailed advice on doing a BAL in the field, please download the BAL powerpoint.

If you are comfortable performing a BAL, but haven’t made your own slides before, it’s quite easy – follow these detailed instructions.

After you have aspirated the BAL fluid, make sure that there is detectable foam on the top, which will let you know that you have indeed obtained a nice sample of lung fluid. Gently agitate the fluid by gently rocking the container or syringe back and forth five to ten times, making sure that the fluid is well-mixed.

Download and complete the submission form:

Download the BAL Submission form to mail with your sample.

Send us the following by overnight mail:

  1. Two purple tops and two red tops of fluid on ice. Identify each tube with:
    • Horse's name, breed, and sex
    • Owner's name
    • Date sample was taken
  2. Completed BAL Submission form.

Mail samples and form to:

Tufts Bronchoalveolar Lavage Cytology Service – Mazan Lab
Hospital for Large Animals
Tufts University, Cummings School of Veterinary Medicine
ATTN: Dr. Melissa Mazan
53 Willard Street
North Grafton, MA 01536

Call to let us know that a sample is coming:

508-839-7926

We are happy to read your slides, but please also remember to send us fluid as an added precaution. If you are in the area, please call our front desk reception 508-839-7926 to let us know that you will be dropping off the fluid.

Our Doctors

  • Dr. Melissa Mazan

    Melissa Mazan

    DVM, DACVIM

Dr. Melissa Mazan

Melissa Mazan

DVM, DACVIM

Dr. Melissa Mazan co-leads the Tufts Equine Respiratory Lab and is a world-recognized expert in the field of equine asthma. Dr Mazan’s work led to the creation of the first clinical lung function laboratory in North America where lung function testing is regularly used to help improve equine performance. Dr. Mazan earned her B.A. at Yale University and her DVM from Cummings School of Veterinary Medicine at Tufts University.  She is board-certified in the America College of Veterinary Internal Medicine (Large Animal). Dr. Mazan teaches courses on respiratory medicine and pathophysiology, as well as exercise physiology at Cummings School where she was drawn by the opportunity to combine research, clinical work and teaching.  She also developed the first veterinary telemedicine teaching service in the United States for working equids in Fez, Morocco. Dr. Mazan’s interest in equine health and performance began when she was a member of the Varsity Polo Team at Yale University and the Captain of the Polo Team at the University of Oxford, and when she was managing her own barn and competing as a junior in equitation and Pony Club.

Internal Medicine Service

  • MAIL SAMPLES TO

    Tufts Bronchoalveolar Lavage Cytology Service – Mazan Lab
    Hospital for Large Animals
    Tufts University, Cummings School of Veterinary Medicine
    ATTN: Dr. Melissa Mazan
    53 Willard Street
    North Grafton, MA 01536

  • CALL WHEN SENT

  • EMAIL QUESTIONS

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