Otolaryngology (ENT)


Rady Children's Specialists of San Diego

Medical Group / IPA


Medical School

Washington University St Louis


Washington University St Louis


Rady Children's Hospital-San Diego, UC San Diego

Board Certifications

Otolaryngology (ENT)




Dr. Tzyynong (Tina) Liou Friesen is a board-certified, fellowship-trained pediatric otolaryngologist at Rady Children's Hospital-San Diego and an associate physician in the Department of Surgery at UC San Diego. She completed her medical degree and residency training at Washington University in St. Louis followed by a fellowship in pediatric otolaryngology at the UC San Diego/Rady Children's Hospital.

Dr. Friesen is dedicated to treating a variety of ear, nose and throat diseases in children, and she is particularly interested in the diseases of the airway and masses of the head and neck. She has extensive training in head and neck surgery as well as endoscopic procedures, including endoscopic laser surgery.

Outside of work, she is an avid hiker and a cyclist. She also has a soft spot for dogs and beluga whales.


Effect of Perioperative Gabapentin Use on Postsurgical Pain in Patients Undergoing Head and Neck Mucosal Surgery
Melanie Townsend, MD1; Tina Liou, MD1; Dorina Kallogjeri, MD, MPH1

Survival of renal cell carcinoma metastatic to nonthyroid head and neck region: A systematic review
Liou TN, Scott-Wittenborn NR, Kallogjeri D, Lieu JE, Pipkorn P

A Woman With Bilateral Cervical Lymphadenopathy
Tzyy-Nong Liou, MD; Ige A. George, MD; Nsangou Ghogomu, MD, MA

Wrong site surgery in otolaryngology-head and neck surgery
Liou TN, Nussenbaum B

Risk factors for unplanned hospital readmission in otolaryngology patients
Graboyes EM, Liou TN, Kallogjeri D, Nussenbaum B, Diaz JA

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