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Specialty:: Surgery
Department Affiliation:: Surgery
Hospital Affiliation:: Ronald Reagan UCLA Medical Center
State License:: G70040
Phone:: (310) 794-7788
Health Plans:: Accepted Plans

About Me

Preferred Name: Darryl T. Hiyama, FACS

Dr. Hiyama has 32 years of experience in surgery, and 26 years of practice at UCLA which he brings into the care of his patients. He has an extensive experience in caring for patients with complex and challenging problems with great success. He has a special and personal interest in surgery for the treatment of diseases of the esophagus, stomach, liver and spleen. He always endeavors to track how his patients fare after surgery to continually make improvements in care he can provide.

Links

surgery.ucla.edu

Primary Office: Endocrine Surgery
200 UCLA Medical Plaza
Suite 214
Los Angeles, CA 90095
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Phone: (310) 794-7788

Medical Board Certifications: Surgery, American Board of Surgery, 1991
Certification 2: Clinical Informatics, American Board of Preventive Medicine, 2016
Fellowship: Surgical Nutrition and Metabolism, & Neonatal ECMO, University of Cincinnati College of Medicine, 1987-1988
Residency: General Surgery, University of Cincinnati Hospital, 1985-1990
Internship: General Surgery, University of Cincinnati Hospital, 1984-1985
Degree: John A. Burns School of Medicine, MD, 1984

Interests

Achalasia (Laparoscopic)
Adrenal Glands Tumor (Benign)
Pheochromocytoma: An Adrenal Gland Tumor
A pheochromocytoma is a rare type of tumor. It grows in the middle of an adrenal gland. A pheochromocytoma causes the adrenal glands to make too much of the hormones epinephrine and norepinephrine. These hormones help keep your heart rate and blood pressure normal.
Learn more >
Bile Duct Excision for benign & malignant disease
Cholecystectomy
Cholecystectomy
A cholecystectomy is surgery to remove your gallbladder. You may have a cholecystectomy as an outpatient or as part of your stay in a hospital. The way the surgery is done may vary depending on your condition and your healthcare provider's practices.
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Colon Polyps
Colon Tumor (Benign)
Colorectal (colon, rectum and anus)
Diverticulitis
Diverticular Disease
Diverticular disease is an infection in the tiny pouches that some people get in their colon. The pouches are called diverticula. These pouches bulge out through weak spots in your colon. The pouches can become inflamed (red, swollen) or infected.
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Duodenal Ulcer Disease
Peptic Ulcers
A peptic ulcer is a sore on the lining of your stomach or the first part of your small intestine (duodenum). If the ulcer is in your stomach, it is called a gastric ulcer. If the ulcer is in your duodenum, it is called a duodenal ulcer.
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Fundoplication
Gallbladder
Gallstone
Gallstone Pancreatitis
Gallstones form in your gallbladder. But in cases of gallstone pancreatitis, the stone leaves the gallbladder. It blocks the opening from the pancreas to the first part of the small intestine (duodenum).
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Gastrointestinal
Gastrointestinal Conditions
Detailed information on gastrointestinal conditions in children, including Colic, Constipation, Diarrhea, Reflux, and Inguinal Hernia.
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GERD (Gastroesophageal Reflux Disease)
Gastroesophageal Reflux Disease (GERD)/Heartburn
GERD (gastroesophageal reflux disease) is a digestive disorder. It is caused when gastric acid from your stomach flows back up into your esophagus.
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Hepatobiliary
Disorders of the Biliary System
Detailed information on the most common disorders of the biliary system, including gallstones, cholangitis, cholecystitis, biliary cirrhosis, and biliary duct cancer.
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Hernia Repair (Epigastric Hernia)
Hernia Repair (Femoral Hernia)
Hernia Repair (Incisional Hernia)
Hernia Repair (Inguinal Hernia)
Inguinal Hernia
An inguinal hernia is when part of your intestine pushes through a weak spot in your lower belly (abdominal) wall. This area is called the groin. The hernia creates a lump in your groin. Over time, the hernia may get bigger.
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Hernia Repair (Umbilical Hernia)
Hernia Repair (Ventral Hernia)
Hiatal Hernia
Hiatal Hernia
In a hiatal hernia, part of your stomach pushes up into an opening (the hiatus) in your diaphragm. The diaphragm is the muscle between your stomach and your chest.
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Laparoscopic Surgery
Liver Tumor Resection (Benign)
Liver Cancer: Surgery
Surgery offers the best chance to cure liver cancer. But only a small portion of people with liver cancer can have surgery. Different kinds of surgery may be done. The type of surgery depends on the size of the cancer, where it is, how much it has spread, how well the rest of the liver is working, and other factors.
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Lymph Node Biopsy
Sentinel Lymph Node Biopsy
The main reason for a sentinel lymph node biopsy is to see if the cancer has spread beyond the main tumor. This will help determine the best kinds of treatment for you.
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Minimally Invasive Laparoscopic Surgery
Pancreas
Pancreas
The pancreas is involved in blood sugar control and metabolism within the body, and also in the secretion of substances (collectively pancreatic juice) which help digestion. Detailed anatomical description of human pancreas, including simple definitions and labeled, full-color illustrations.
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Pancreatic Cancer
Pancreatic Cancer: Introduction
Pancreatic cancer often grows within the pancreas for a long time before it causes any symptoms. If the cancer grows outside the pancreas, it often goes into the nearby bile ducts and lymph nodes in your belly (abdomen). In some cases, it spreads to other nearby areas.
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Pancreatic Tumor (Benign)
Paraesophageal Diverticulum
Peptic Ulcer Disease (PUD) Surgery
Periampullary Mass
Robotic Surgery
Splenectomy (Open & Lap)
Chronic Lymphocytic Leukemia (CLL)- Spleen Surgery
With chronic lymphocytic leukemia (CLL), surgery is sometimes used to remove a swollen spleen. This procedure is called a splenectomy
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Stomach Cancer
Stomach Cancer: Introduction
Stomach cancer is a disease in which cancer starts in cells in the stomach. It’s also called gastric cancer. There are different types of stomach cancer. They each grow in different parts of the stomach
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Stomach Tumor (Benign)
Volvulus
Short Bowel Syndrome in Children
Short bowel syndrome is when the body has trouble absorbing nutrients from food because of a problem with the small intestine. It often happens to children who have had a large part of their small intestine removed. This complex condition can be life-threatening in some babies and children.
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Research Interests

Gastric cancer
Gastric diseases and problems
Quality improvement in care for surgical patients

Publications

UCLA Health System Clinical Updates: - Participated in publication of clinical newsletter "Implanted neurostimulator palliates drug-refractory nausea associated with gastroparesis"

Awards

Top Doctors, Los Angeles Magazine, 2021
Top Doctors, Los Angeles Magazine, 2018
Super Doctors® Southern California 2016
Super Doctors® Southern California 2015
Super Doctors® Southern California 2014
Super Doctors® Southern California 2013
Super Doctors® Southern California 2012
Super Doctors® Southern California 2011
Super Doctors® Southern California 2010
Golden Scalpel Teaching Award 2010, Professor
Los Angeles Super Doctors 2007
Alpha Omega Alpha

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Pheochromocytoma: An Adrenal Gland Tumor

Cholecystectomy

Diverticular Disease

Peptic Ulcers

Gallstone Pancreatitis

Gastrointestinal Conditions

Gastroesophageal Reflux Disease (GERD)/Heartburn

Disorders of the Biliary System

Inguinal Hernia

Hiatal Hernia

Liver Cancer: Surgery

Sentinel Lymph Node Biopsy

Pancreas

Pancreatic Cancer: Introduction

Chronic Lymphocytic Leukemia (CLL)- Spleen Surgery

Stomach Cancer: Introduction

Short Bowel Syndrome in Children