About
SpecialtiesDoctors 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.
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
Licenses
United States: New York
Languages spoken
English
Doctor Q&A
340 Answers
361 Agrees
The number of answers this doctor has agreed with.
A 38-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
MRI vs CT: The main difference is that CT uses ionizing radiation and MRI uses radiowaves (non-ionizing radiation). It is the ionizing radiation that causes inj... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.2k viewsReviewed >2 years ago
A 43-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Not enough info: The MRI is complex exam with multiple separate scans that show different things.
It is very common to see a few scattered white spots which are not cl... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.2k viewsReviewed >2 years ago
A 31-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Maybe: While MRI is the best way to diagnose pancreatitis using imaging tools, the best test is a blood test, either Amylase, Lipase or both. MRI is very go... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.2k viewsAnswered >2 years ago
A 29-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Nothing important: Dessication of the discs is an early sign of aging but is not harmful by itself. Mild protrusions are seen commonly and are asymptomatic.
In m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.6k viewsReviewed >2 years ago
A 21-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Pharyngitis: Pharyngitis/laryngitis is often caused by a virus but may be due to bacterial. Gargling with warm salt water can often alleviate symptoms. If it get... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.9k viewsReviewed >2 years ago
A female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Need more info: What you wrote, there is nothing that is of a concern. the findings you describe from a MRI or CT? are very commonly seen with no symptoms.
Withou... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.6k viewsReviewed >2 years ago
A 32-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Yes: However, it is not your doctor I am worried about. My concern is that you don't refuse a test that could be important to your health. First you shou... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.2k viewsAnswered >2 years ago
A 26-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Call an ambulance: If you can't go to the hospital call an ambulance. Alcohol is life threatening if you drink a lot. It can cause gastritis (stomach inflammation) res... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.4k viewsAnswered >2 years ago
A 53-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
? kidney infection: Hydronephrosis is a condition of expansion of the internal areas of the kidney that hold urine. This is seen with a blockage of the system, an infect... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 24-year-old male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Need a diagnosis: Tight muscle is not medical diagnosis. The doctor is describing entrapment (nerve trapped between a muscle and something else). This can be identifi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.3k viewsAnswered >2 years ago
A 35-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Possibly: In Alzheimers, there is loss of brain tissue. Depending on where the tissue is lost, it can have different affects. However, this is not usual in Al... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.5k viewsAnswered >2 years ago
A 69-year-old male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Drink a lot of water: 2 mm should pass without dissolution. To dissolve a stone, we need to know what kind of stone it is. If it is in your bladder, it is unlikely to cau... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.4k viewsAnswered >2 years ago
A 30-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Excellent: The problem is that alcohol can dry your skin. The newer alcohol containing solutions for hand disinfection don't cause as much dry skin but control ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.2k viewsAnswered >2 years ago
A 24-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Yes: Most Urine preg tests are accurate after 6 weeks. By 4 months, you would definitely have an accurate answer. No test is perfect so I would repeat if... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.2k viewsAnswered >2 years ago
A 32-year-old male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Maybe lymph nodes: colitis doesn't cause fat. I can cause lymph nodes to enlarge. LN enlargement is not abnormal if there is adjacent inflammation. With all other thi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.9k viewsAnswered >2 years ago
A 45-year-old male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Cellulitis: Cellulitis=infected toe. This is the most likely diagnosis especially if it is painful and there is pus around the nail. If it is the big toe, anoth... Read More
Created for people with ongoing healthcare needs but benefits everyone.
1.8k viewsReviewed >2 years ago
A 54-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Interesting question: Like any test, no result is 100% accurate. Many issue can cause inaccuracies. In radiology, humans interpret images. We all have our good days and b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.2k viewsReviewed >2 years ago
A 59-year-old male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Check this article: http://www.dicardiology.com/article/ct-coronary-calcium-scoring-predicts-long-term-cardiac-health
Created for people with ongoing healthcare needs but benefits everyone.
1.8k viewsReviewed >2 years ago
A 42-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Yes but: With any vegetarian diet, it is hard to get all the nutrients your body needs. A raw diet will make it harder, still. However, switching to a health... 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. David Dinhoferanswered
Radiology 43 years experience
Yes: Assuming you are otherwise healthy. Radiation doesn't remain in your body.
Created for people with ongoing healthcare needs but benefits everyone.
496 viewsReviewed >2 years ago
A 39-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Cure?: When you receive ionizing radiation, it may damage DNA. Damage can lead to cancer. Most of the time, damaged DNA is repaired by our cells. The bes... Read More
Created for people with ongoing healthcare needs but benefits everyone.
496 viewsReviewed >2 years ago
A 37-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
No: A single CT scan gives a dose between 10-20 mSV. This equivalent to about 3 years of radiation you receive by living on this planet (background radiat... Read More
Created for people with ongoing healthcare needs but benefits everyone.
496 viewsAnswered >2 years ago
A 22-year-old male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Pancreatitis: If you are on Creon, then your doctor already is considering pancreatitis. CT scans do not always show pancreatitis. Your doctor has probably looked... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 20-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Normal reflex: Tapping certain areas can cause a reflexive movement of the adjacent muscle. This is normal.
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsAnswered >2 years ago
A 20-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Not arthritis: It is very common to feel stiff from standing or sitting for long periods. Try taking a break every so often to stretch.
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsReviewed >2 years ago
A 36-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Not enough informati: Little white dots is not medical terminology. As a radiologist, i would expect a more detailed description. It is important to know if these are blo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsReviewed >2 years ago
A 19-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Not normal: Although, more history is needed, having bowel movements three to four times per day is not normal. 1-2 is a more usual number.
To understand the ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsAnswered >2 years ago
A 21-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Not usual: Crohn's disease can alter some test due to nutritional problems or bleeding but other no.
False positive means that a test comes up positive but th... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsAnswered >2 years ago
A 20-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
What is brain freeze: Brain Freeze is not a medical term or any that I am familiar with. Kidney pain is in the lower back.
Sometimes when you drink a very cold drink ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4k viewsAnswered >2 years ago
A 38-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
See answer: It is any imaging exam that is used to diagnose disease. It includes plain x-ray, ultrasound, x-ray flouroscopy, CT scanning, MRI scanning, Nuclear M... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.2k viewsReviewed >2 years ago
A member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Yes and no: Some types of x-rays give more radiation than others. In general, the highest dose come from Nuclear Medicine, Flouroscopy and CT. Plain x-rays give ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
496 viewsAnswered >2 years ago
A 26-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
1/4000; not related: The exposure on a routine barium esophagram is less than 6 mSv. The estimated increase in cancer is 1/4000 or less.
Radiation will not cause any s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
406 viewsAnswered >2 years ago
A 36-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
0: Radiation from x-rays doesn't stay in your body.
Created for people with ongoing healthcare needs but benefits everyone.
406 viewsAnswered >2 years ago
A 62-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Yes: It is good that the x-ray shows no fracture. The bump is a remnant of the bruise from the injury. It can take awhile to go away. Be patient.
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsReviewed >2 years ago
A male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Yes: The stent is not in the path of the semen and won't cause any issues with ejaculation.
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsReviewed >2 years ago
A 38-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Yes: Failure for a wound to heal is likely due to an infection. If the wound was very large then it could take awhile to heal. That is the reason for sti... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsReviewed >2 years ago
A 16-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
First find out: First find out what is the cause? Did he break a bone? He could have broken a bone during the seizure.
It is also important to control his seizure... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsReviewed >2 years ago
A 27-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Ask the x-ray tech: Most ct scanners have a dose estimate done at the time of the scan. It is based on the time and radiation produced (a factor of the tube voltage and ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.2k viewsReviewed >2 years ago
A female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
What's your question: I see that you reported a finding from an abdominal sonogram. In general, a hypoechoic mass should have additional evaluation. Do you have a more sp... Read More
Created for people with ongoing healthcare needs but benefits everyone.
1.1k viewsAnswered >2 years ago
A 28-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Diet, exercise and: You need to balance exercise and caloric intake but just exercise is not enough. You should review of your diet. Eating more vegetables will fill you ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.3k viewsReviewed >2 years agoMerged
A 32-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Mammogram or U/S: If you have a lump in your breast, there are many possible causes. Most likely any breast imaging specialist will do both a mammogram and an ultrasou... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.2k viewsReviewed >2 years ago
A 35-year-old male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
See answer: The dose from a single SPECT exam is small. The risk is related to dose. You should check with the facility for the exact dose. You should look at ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
496 viewsAnswered >2 years ago
A 50-year-old male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Not zero: But very small. No test is perfect. There are a number of reasons for missed diagnosis of lung cancer. However, a PET CT is the best way to identify ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
853 viewsReviewed >2 years ago
A 27-year-old male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Unknown and...: most spasms are not caused any an serious disease. The trauma to a muscle can cause them but also can be caused by over use, chemical imbalance, anxi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
501 viewsAnswered >2 years ago
A 39-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Very low!: It is equivalent to background radiation dose from living on this planet for 10 days.
See link for dose equivalents
https://www.radiologyinfo.org/en... Read More
Created for people with ongoing healthcare needs but benefits everyone.
496 viewsAnswered >2 years ago
A 33-year-old member asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Drink water: Water will lower your acid level immediately. If the cause of the heartburn is reflux, it will wash the acid out of the esophagus. If this fails, y... Read More
Created for people with ongoing healthcare needs but benefits everyone.
854 viewsAnswered >2 years ago
A 35-year-old male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
What is question?: Constant diarrhea is not normal. You may not be constipated because you miss a bowel movement. Check with your doctor.
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsReviewed >2 years ago
A 30-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Yes: Ultrasound for pregnancy uses the same 40 week gestation time as OB to be consistent. So, the reference date is the time of the last menstrual period... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsReviewed >2 years ago
A male asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Probably normal: If that is all you find, and you are not sick, there is no reason to worry. It is very common to have prominent lymph nodes's at your age, a normal f... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.1k viewsAnswered >2 years ago
A 34-year-old female asked:
Dr. David Dinhoferanswered
Radiology 43 years experience
Or muscle aches : You describe a complex set of symptoms that are unlikely to be related. Often these symptoms can be to muscle fatigue or a virus. Make sure it you d... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.1k 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.
3
Recommendations
257
Thank you notes
HealthTap member
Mar 30, 2015
Dr. Dinhofer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Dinhofer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Dinhofer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you for your response! I've been trying to get a diagnosis for this for six months, the doctor has not sent me for a spine MRI even when I asked and has been ruling out other things instead.
HealthTap member
This was very helpful. Thanks! many thanks..I understand a lV angiography. as I cant have this, I wanted to know why a cardiologist would do a Magnetic resonance agiogram.
HealthTap member
This was very helpful. Thanks! Thank you for such a clear response put in a way I could understand. I appreciate you sharing your expertise. Thank you.
Education & Training
Medical/Graduate school
null
Graduated nullMD
Medical/Graduate school
Tulane University School of Medicine, LA
Graduated 1980MD
Residency
LONG ISLAND JEWISH MEDICAL CENTER
Completed 1989
Awards
Thought Leader, Third Place, Manhattan Region - Spring
2015
Top Radiologist, First Place, New York - Spring
2015
Top Radiologist, First Place, New York - Winter
2015
Affiliations
American College or Radiology
American Society of Emergency Radiology
Radiology Society of North America
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