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Dr. Stacy Yamasaki

Radiology
Portland, OR
35 years experience male

Locations

Office

About

Specialties
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.

Radiology

Diagnostic Radiology

Nuclear Medicine

Languages spoken

English

Doctor Q&A

64 Answers
0 Agrees
The number of answers this doctor has agreed with.
A 39-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Yes and no: If the pregnancy is far along where you belly is showing, then the babys bones can be seen on xray. Otherwise early in the pregnancy, the baby will n... Read More
A 39-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
No: Xray will rarely show a pelvic cyst. A pelvic ultrasound is the best study to look for pelvic cysts.
A 48-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Lung Cancer: That is another name for lung cancer. There are many types of lung cancer, including squamous cell, adenocarcinoma, small cell carcinoma, and metasta... Read More
A 50-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Many: Isovue 370 Omnipaque 350 Visipaque 320 Oxilan 350 Ultravist 370 are nonionic agents that can be used. They are similar and most angio labs carry on... Read More
A 50-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Ask your doctor: High prolactin has many causes, but can be caused by a tumor in the pituitary gland. An MRI is the best way to see this type of tumor.
A 50-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Depends on the type: Oral contrast can be water, a barium based contrast, or iodine based contrast. It can taste like water, thick and bland, or like an herb.
A 30-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
No: Not in the diagnostic doses used in nuclear medicine.
A 38-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Usually not: Most aneurysms require an angiogram, ultrasound, CT angiogram or MRI angiogram to visualize. If the aneurysm has lots of calcifications, it can som... Read More
A 40-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Depends: diagnostic ultrasound is used to look inside the body to see the internal structures, often used in pregnancy. other machines are used to heat the ... Read More
A 50-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Talk to doctor: talk to your doctor. you can get an mri right away if needed, but it depends on what your doctor is worried about. mri after surgery is often not he... Read More
A 45-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Better exam: contrast can help light up lesions that are not see on noncontrast exams.
A 49-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Not necessarily: The fetal bladder is often seen at 19 weeks, but sometimes cannot be seen depending on the baby's position and how effectively the ultrasound was able... Read More
A 36-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Maybe: A mammogram is a special xray of your breasts and is very good at finding breast cancers. Screening mammography is recommended for women over 40 year... Read More
A 34-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Possible: Very early appendicitis can look normal on CT and have normal white count. If the pain persists or gets worse, go back to your doctor or hospital and ... Read More
A 20-year-old male asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Get different shoe: tight shoes can cause irritation of plantar or other nerves that can cause numbness, especially if there is a high arch. Try different shoes that may... Read More
A 33-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
No good answer: You must talk to a cancer doctor (oncologist) as there are many types of lung cancer and the treatments differ depending on the type.
A 45-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Varies: depends on the location, practice type (hospital vs clinc) and experience. try a site like salary.com or check job bulletins in the location you are ... Read More
A 49-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
See below: transrectal ultrasound is often used to look at the prostate gland for the size and signs of cancer. a probe is placed through the anus into the rect... Read More
A 48-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Sometimes: X rays show the shape of the ribs and guess as to what it could be compressing, but not the organs that are nearby. Cross sectional imaging such as C... Read More
A 33-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Maybe: it depends on the severity of the renal impairment. either contrast should be used with caution and only if the benefits are greater than the risks w... Read More
A 36-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Depends: X-ray would only show abnormalities in some conditions like pneumonia or pneumothorax. In other conditions like reflux it will be normal. The doctor ... Read More
A 22-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Talk to your doctor: your findings may or may not be important. A cardiologist who usually orders these exams should be able to answer your question.
A 39-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Blood vessels: Both exams look at the size and pattern of your blood vessels as well as how much blood is going to your organs. This can be useful to look for block... Read More
A 35-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Ok: The values for heart rates are within normal limits. The dating is not dependent on heart rate but size of the fetus.
A 40-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
See below: As there is radiation you should not get a bone scan if you are pregnant. Unless you are allergic to the agent there is no common side effect.
A 45-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Depends: both types of pelvic ultrasound approaches are useful and which is better depends on what part of the pelvis is to be examined and often the body size... Read More
A 36-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Depends: MRA can be done with or without contrast depending on the technique used and area imaged. Contrast can be useful especially for an MRI, but not alway... Read More
A 24-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Possibly Cartilage: If the Ct was normal you could be feeling a bump where you rib bone and cartilage join together in you r chest wall.
A 34-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Depends: Xrays use radiation which should generally be avoided. If the xray is needed to answer a clinical question to guide treatment, the benefit outweighs ... Read More
A 39-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Exam by doctor: In a retrograde pyelogram a urologist will place a small tube through your bladder up the ureters and inject contrast to visualize the size and shape... Read More
A 28-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Lots: infections such as abscess, parasites, fungus, and amoeba for starters. inflammation of the blood vessels can cause multiple lesions. Certain geneti... Read More
A 37-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Risk vs Benefit: The main risk is that a small amount of radiation is used during the procedure which can slightly increase the risk of developing cancer in the future... Read More
A 33-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Possible : Even if your gallbladder is removed, you can still develop stones in you bile duct or remnant of the cystic duct.
A 33-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Be there for her: rhabdomyosarcoma is a cancer of the soft tissues and she should see an oncologist or doctor specialist who treats cancers. As a family member, be inf... Read More
A 29-year-old female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Usually yes: As long as contrast or other medications were not used before, during or after the exam, the xray does not affect breast milk. If you took some medic... Read More
A 46-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
No: Xrays are good for looking at the bones, but not good for looking at soft tissue injuries like sprains.
A 43-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
All types: Most digital images can be inverted and printed both ways. Most images have black backgrounds. Angiograms and fluoroscopy is often a white background... Read More
A 32-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Specific CT exam: CT or cat scan takes an image inside your body. CT of the head is used to look at your brain and skull. CT of the orbit looks at your eye socket. C... Read More
A 37-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
See link below: Sonohysterography uses ultrasound to image your uterus. Hysterosalpingogram uses xray and iodine contrast to look inside. See link below http://w... Read More
A 32-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Ask your Doctor: Echocardiogram is an ultrasound exam of your heart. it looks at the heart valves, heart muscles, blood vessels, and how they function. The exam is ... Read More
A 39-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Different technique: Ultrasound uses sound waves to look inside your body. It is like sonar and measures the sound waves that bounce back from the organs inside your body... Read More
A 36-year-old male asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Possibly: A small amount of fluid around the heart is normal and what you describe may be normal. Many things can cause increased pericardial fluid including i... Read More
A female asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Maybe: A normal MRI is useful to show that there is no abnormality SEEN on the exam. ALS, or other early lesions in the brain or spinal cord may not be seen... Read More
A 50-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Finding on brain MRI: A lacune is a small fluid collection in the brain. It can result from an old stroke including asymptotic strokes which may be unnoticed by the person... Read More
A 45-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Maybe: You need to contact your insurance company and see if your benefits cover the exam. Most will, but how much they will pay for and what you will need ... Read More
A 38-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Usually not: Isovue is a type of iodinated contrast used in angiography, CT scans, and interventional procedures. It is mainly eliminated from your body in your u... Read More
A 44-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Talk to your doctor: Pars defects and disk bulges are seen in an increasing percentage of patients with advancing age. They may or may not be causing back pain at the tim... Read More
A 31-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
Ask your doctor: most of the time the fetal stomach is seen, but not always. talk to your doctor and see what they think. you can always have another ultrasound done ... Read More
A 44-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
No: If you are smoking, the smoke is invisible to X-rays. If you damage you lungs by smoking and get emphysema then it can often be seen.
A 41-year-old member asked:
Dr. Stacy Yamasaki
Radiology 35 years experience
No: Xrays are not painful. Getting positioned to get the right xray picture can be uncomfortable or painful.

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Testimonials
Recommendations and Thank you notes are endorsements given from patients or other doctors.

2
Recommendations
57
Thank you notes
HealthTap member
Mar 31, 2015
Dr. Yamasaki is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Yamasaki is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you, your answer was very helpful! A++++ for your response time!!!
HealthTap member
Thank you!! What else could it be there's a huge lump on me knee thatu
HealthTap member
Thank you! It calmed me a bit to know thickening may be from infection

Education & Training

Medical/Graduate school

State University of New York Downstate Medical Center College of Medicine, NY
Graduated 1987MD

Medical/Graduate school

State University of New York at Stony Brook School of Medicine, NY
MD

Residency

University of Texas at Houston

Residency

University of Texas Houston

Awards

Top Radiologist, First Place, Oregon - Summer
2014
90,000 U.S. doctors in 147 specialties are here to answer your questions, provide medical advice, write prescriptions, and more.
Answer emailed
in 24 hours or less