Ronald O'halloran, MD

Anatomic Pathologist

Dr. Ronald O'halloran is an Anatomic Pathologist in Ventura, CA with special training and skill in diagnosing diseases by analyzing tissue samples. As an Anatomic Pathologist, Ronald O'halloran, MD performs laboratory tests to determine the nature and severity of illness. Anatomic Pathology is the examination of cells, tissues, and organs for signs of disease. Significant diseases and conditions treated by Anatomic Pathologists include skin, breast, and colon cancer. Medical tests, procedures and therapies provided by Anatomic Pathologists include electron microscopy, fine needle aspiration, surgical biopsy, and autopsy.

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.