Worldwide medical and scientific journal for animal health professionals
Veterinary Focus
Peter J. O’Brien

Peter J. O’Brien

BSc, DVM, MS, PhD, DVSc, Dip. ACVP (ClinPath), Dip. ECVCP, FRCPath. Pathobiology Department, School of Veterinary Medicine, University College Dublin, Ireland

Ireland

Dr. O’Brien gained his DVM from Saskatoon, Canada before studying for his MS and PhD in Minnesota, USA. He then had seven years at Guelph Veterinary College in the Department of Veterinary Clinical Pathology before moving into the pharmaceutical sector. He returned to academia in 2006, working as the staff clinical pathologist at the Veterinary Teaching Hospital in Dublin. Author of more than 150 scientific papers, he has served as President for the European Society of Veterinary Clinical Pathology, the European College of Veterinary Clinical Pathology, and the European Board of Veterinary Specialisation.

Contributions from Peter J. O’Brien

Browse between the articles contributions from this author below.

intact and damaged cells

Issue number34.2 Published 01/11/2024

Practical diagnostic cytology for practitioners

Cytology is highly effective for the diagnosis and assessment of various pathologies; this paper offers an overview of the technique and reviews the most common tumors found on cytological analysis.

By Peter J. O’Brien and Maria Balan