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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
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Doctor Q&A
64 Answers
0 Agrees
The number of answers this doctor has agreed with.
A 45-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Yes: Dentists use Xrays frequently to evaluate the teeth and bones that hold the teeth in place.
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years ago
1 comment
A 41-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
No: Xrays are not painful. Getting positioned to get the right xray picture can be uncomfortable or painful.
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years ago
A 30-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Subjective: lymph nodes enlarge when there is an infection, inflammation, or spread of tumor. subtle cortical thickening may be within normal limits or due to an... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 44-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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.
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsAnswered >2 years ago
A 41-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Not much: There is nothing you can take to reverse effects from X-rays. While X-rays are useful to diagnose disease, if the X-ray is not needed, then it is best... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 35-year-old male asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Maybe: MRI of the brain looks at the brain and would show most brain masses. Small lesions in the ear and internal auditory canal may be missed unless an MRI... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.8k viewsReviewed >2 years ago
A 41-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
See below: you may be asked to drink contrast before the scan and be injected with intravenous contrast as you are scanned to look inside your body. See the l... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.5k viewsAnswered >2 years ago
A 44-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsReviewed >2 years ago
A 37-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Pretty good: The dating is accurate to about a week as long as the sonographer can see the baby early on. The due date though is really variable.
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 46-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Measuring blood: doppler readings measure the speed, and flow pattern of blood in the umbilical artery. The specific measurements and patterns are evaluated to see if... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 31-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 47-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Yes: Pneumonia is inflammation usually caused by infection in the lungs. Most of the time, the pneumonia causes fever, chills, cough, shortness of breath ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 36-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Yes: While the needles used are thin, you will feel the needle entering into the skin and pass into the disk.
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 38-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3.5k viewsAnswered >2 years ago
A 26-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
See a doctor: osgood-schlatter disease occurs in childhood while your growth plates are still open. They should be closed by now at 26 so the pain is not due to O ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 44-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Depends on cause: Pleuritis can be caused by infection such as pneumonia, inflammation, or even cancer and treatment depends on the cause. Pain medications are appropr... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsAnswered >2 years ago
A 32-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Usually not: xrays are good for looking at bones, but generally not good for looking at ligaments. Usually an MRI is needed to look for ligament damage.
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years ago
A 41-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Yes: MRI does not use radiation and has no known health risks, unless you have a pacemaker, or metal that can be affected by the strong magnet. If you hav... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.3k viewsReviewed >2 years ago
A 33-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Ask the provider: Each provider may have their own prep. Here is a link that may answer more of your questions.
http://www.radiologyinfo.org/en/info.cfm?pg=lowergi
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years ago
A 45-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years ago
A 39-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
No: Xray will rarely show a pelvic cyst. A pelvic ultrasound is the best study to look for pelvic cysts.
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsAnswered >2 years ago
A 50-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsReviewed >2 years ago
A 45-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsReviewed >2 years ago
A 40-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsReviewed >2 years ago
A 20-year-old male asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 39-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 50-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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.
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 50-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
2.8k viewsReviewed >2 years ago
A 49-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 36-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 34-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 45-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
Better exam: contrast can help light up lesions that are not see on noncontrast exams.
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 48-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3.8k viewsReviewed >2 years ago
A 30-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
No: Not in the diagnostic doses used in nuclear medicine.
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 22-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 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.
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 36-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years agoMerged
A 39-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3.3k viewsAnswered >2 years ago
A 48-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
2.8k viewsReviewed >2 years ago
A 38-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsAnswered >2 years ago
A 33-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsReviewed >2 years ago
A 50-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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.
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
A 49-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsReviewed >2 years ago
A 33-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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.
Created for people with ongoing healthcare needs but benefits everyone.
2.8k viewsReviewed >2 years ago
A 36-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsAnswered >2 years ago
A 43-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3.8k viewsReviewed >2 years ago
A 46-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 years experience
No: Xrays are good for looking at the bones, but not good for looking at soft tissue injuries like sprains.
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years ago
A 50-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3.5k viewsReviewed >2 years ago
A 37-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years ago
A 29-year-old female asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsAnswered >2 years ago
A 34-year-old member asked:
Dr. Stacy Yamasakianswered
Radiology 36 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
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsReviewed >2 years ago
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
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
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