Dr. David Lieu is an interventional cytopathologist. He is the founder and operator of 2 ultrasound-guided FNA and core biopsy clinics in Los Angeles and Orange counties in California. His clinics have been established for 25 years. He performs over 2000 ultrasound-guided FNAs, 200 core biopsies, and 100 biopsy clip placements along with microscopic examination of the tissues obtained every year. The targets are masses in the thyroid, breast, head and neck, salivary glands, lymph nodes, and soft tissue. He trains cytopathology fellows from UCLA, Cedars Sinai, and UCI. He has lectured widely throughout the United States and the world. Dr. Lieu was the recipient of the Distinguished Alumnus Award from the of the UC Irvine School of Medicine in 2016, the Yolanda Oertel Interventional Cytopathologist Award from the Papanicolaou Society of Cytopathology in 2019, and the Outstanding Educator Award from the College of American Pathologists in 2022. Dr. Lieu is board certified in anatomic pathology, clinical pathology, and cytopathology. He served a pathology residency at LAC+USC Medical Center and a cytopathology fellowship at UCLA. He received his MD degree from UC Irvine at age 23. He holds a BS in chemistry and MBA from UC Berkeley. He is a registered breast sonographer with ARDMS.
