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Dr. Brian Wosnitzer

Nuclear Medicine
NY
20 years experience male

About

Bio

Brian Wosnitzer received his B.S. and M.S. degrees in Biomedical Engineering from Columbia University. He is currently a nuclear medicine physician with board certifications in nuclear medicine and nuclear cardiology. Dr. Wosnitzer is also a certified clinical densitometrist. His scientific interests include neurodegenerative diseases, cardiac imaging, and bone health.

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.

Nuclear Medicine

Doctor Q&A

286 Answers
136 Agrees
The number of answers this doctor has agreed with.
A 47-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Units...: Cardiac output is measured in liters per minute and is equal to stroke volume x heart rate. Ejection fraction is measure in %.
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Depends: HIDA scan can evaluate to make sure the cystic duct (duct going to gallbladder) is patent to rule out acute cholecystitis. It can also evaluate paten... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
It's complicated...: Purely lytic lesions which can be seen in diseases such as multiple myeloma may not show up on tc bone scan and these lesions may be cold on bone scan... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Pyelo vs. scarring: Dmsa scan can show the morphology of the kidneys and aids in evaluation of renal scarring or acute pyelonephritis.
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Iodine: Some institutions may ask you to fast after midnight the night before thyroid scan. You should avoid eating foods which contain high iodine content b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Thyroid scan...: There is nothing specific to do until you receive the results. Contact your doctor and discuss the results of the test to determine if any other work... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Osteoporosis: Cola contains caffeine and phosphoric acid which may lead to osteoporosis. There has been mixed data but avoiding soda would be beneficial to your he... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Abnormal PET....: It is difficult to say without knowing your exact history. What type of cancer was it? Was the pet performed at the same institution and interpreted... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 49-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
PET/CT: Fdg pet/ct is an imaging test often used in oncology to localize and stage cancer. Pet scan is not the first step in workup but can be helpful in cer... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Yes...: Yes... there is a small amount of radiation exposure from the radiotracer which has a half life of about 6 hours and is excreted in your urine and sho... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
TSH: Blood test (thyroid function test) can determine whether you are hyperthyroid or hypothyroid. Hypothyroidism can cause weight gain. Tsh (thyroid sti... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Yes...: The finding is nonspecific. This could be a reactive node from an inflammatory or infectious process. Clinical correlation may be helpful to determi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 17-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
CCK: Cck stimulates the gallbladder to contract. Common adverse effects following cck administration include abdominal discomfort and nausea. These effect... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 17-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
HIDA...: If tracer is visualized in the bowel at 1 hour of imaging but gallbladder is not visualized, there are two options. First is to give morphine which c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Saccharin: Some sugarless gum contains saccharin. Studies have argued that there is a link between saccharin and cancer. Many of the studies are flawed. Likel... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Size and type...: The size and type of cancer are two factors in pet imaging. If the cancer is very small (less than 1 cm), it may be below the resolution of pet or sh... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Bone scan...: For most bone scans, a tracer called technetium mdp is injected intravenously and then delayed images of the desired area are taken. The patient is u... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Back pain..: What did the imaging show? You need to treat the origin of the pain. Are there herniated/bulging discs, sprain, strain, etc. ? Physical therapy may... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
HIDA: Hida scan looks for cystic duct obstruction (acute cholecystitis) or common bile duct obstruction. Sometimes gallbladder ejection fraction is calcula... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Depends..: Depends on the extent and severity of the ischemia. Also depends on how the function (ef) and wall motion are.
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
HIDA: Cck administration for calculation of gallbladder ejection fraction can cause abdominal pain and cramping when administered. In addition, stressful s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Technique?: Are the scans all being done at the same place with the same technologist? Gallbladder ejection fraction can depend on the length of time that the cc... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
PET/CT vs. CT: Pet/ct scan has 2 sets of images (pet ; ct images) which are fused for interpretation. The ct part provides anatomic info while the pet part provides... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 50-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Discuss with doctor.: It is best to discuss your pet scan results with your physician so that you can be sure that you have a detailed and correct understanding of the scen... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Half lives...: I am assuming that you had a technetium bone scan. Technetium has a physical half life of approximately 6 hours. In addition the tracer is excreted... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 47-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
No.: No. Dxa scans use a very minimal amount of radiation. Much less than a chest x-ray or ct scan.
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Acute vs. Chronic...: How long have your symptoms been going on for? Acute and chronic cholecystitis can have different presentations on hida scan. Was a gallbladder ejec... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Steroids?: Are you on corticosteroids for any reason? Steroids can lead to osteoporosis. Have you been diagnosed with osteopenia or osteoporosis by DXA scan?
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Vasospasm?: Positive stress with clear coronaries...... Coronary vasospasm could cause angina and positive stress even if coronaries are clear. Any drug use h... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
5 days...: Stopping tapazole (methimazole) 5 days before your thyroid uptake scan should be sufficient.
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
CCK: The body naturally produces cck (cholecystokinin). For hida scan, exogenous cck (sincalide/kinevac) is administered intravenously to cause the gallbl... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 78-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Fleischner: You may want to look up the fleischner society recommendations for follow-up of small pulmonary nodules. Many institutions use these guidelines for f... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Osteoporosis...: Chronic steroid use can lead to osteoporosis. A DXA scan can test for osteoporosis. Dxa is basically a low dose x-ray of certain parts of your body.... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Stress with mask...: It sounds like you may be describing cardiopulmonary exercise testing (cpet) or pulmonary function testing (pft).
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Hyperthyroidism: If a radioactive iodine scan was performed, they probably calculated a 24 hr uptake which was likely high since you are saying that "the thyroid scan ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Negative stress test: Many studies have found the rate of cardiac events after a negative radionuclide stress test to be less than 1% per year.
Created for people with ongoing healthcare needs but benefits everyone.
A 56-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Stress test...: There are 2 forms of nuclear stress... Exercise ; pharmacologic. Usually exercise is preferred if possible. Both methods use a tracer such as techne... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Negative test...: After a negative radionuclide stress test, the rate of cardiac events is less than 1% per year.
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Results...: If cta, cardiac stress, and calcium score are negative, that is good news for the heart and coronary arteries. As far as the bruit..... Did you have ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
No...: I assume you are having a nuclear medicine thyroid scan and uptake with iodine-123. You should not feel anything.
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Terminology...: If it is says "no other evidence", one would think that there was evidence somewhere. It is hard to say without reading the whole report. Perhaps th... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Benefits...: Iodine 131 is often used to treat conditions such as graves' disease, plummer's disease, or thyroid cancer. Iodine 131 is a beta emitter and emits be... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Routes of excretion.: Hepatobiliary and renal excretion are two major routes for clearance of substances from the body. If there is a hepatobiliary problem such as obstruc... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Heterogeneity ...: Are you referring to a heterogeneous appearance on a thyroid scan? Heterogeneous appearance on a thyroid scan may occur as a result of focal areas of... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
HIDA Scan...: Hida scan involves IV injection of a tc tracer. The tracer doesn't cause any side effects. Physicians look to be sure that the gallbladder and bowel... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
SPECT vs. PET: On regular myocardial perfusion SPECT imaging, large breasts and large body habitus can cause attenuation artifacts. This is often avoided on cardiac... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Stress...: Is it an exercise or pharmacologic stress test? It is likely an exercise treadmill test. You should not feel any side effects from thallium or cardi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Liver mass...: Did they use IV contrast on ct or was it a noncontrast ct? There are several different imaging modalities which can help characterize liver mass befo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Hypothyroidism...: Hypothyroidism is easier to correct. In hypothyroidism, supplemental thyroid hormone can be taken to reach an adequate normal level. Hyperthyroid st... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 49-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Many types...: There are many different types of dementia. Alzheimer's is one type of dementia. Some others include frontotemporal dementia, multi-infarct dementia... Read More
Created for people with ongoing healthcare needs but benefits everyone.

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

2
Recommendations
211
Thank you notes
HealthTap member
Mar 30, 2015
Dr. Wosnitzer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Wosnitzer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
This was very helpful. Thanks! Thank you doctor, I wish the reporting radiologist was as clear as you. Thank you so much.
HealthTap member
This was very helpful. Thanks! The only way to know for sure is with a heart cath. I don't like the risk at this point.
HealthTap member
Thank you, your answer was very helpful! I was told not to bx to void infx or malignant seeding. Lotsa scans :(

Education & Training

Residency

St. Luke's Roosevelt Hospital Center
Completed 2012

Awards

HealthTap Founding Doctor

Affiliations

Society of Nuclear Medicine
American College of Radiology
Radiological Society of North America
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