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Dr. David Dinhofer

Radiology
Brooklyn, NY
42 years experience male

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

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 46-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
Always: HSG -hysterosalpingography is a test to see the inside of the uterus and fallopian tubes. It is performed with (x-ray) flouroscopy. During the proce... Read More
A 38-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
It is everywhere: Ionizing radiation is everywhere. We get it from the sun, the air and the water but it is in very small doses. Sources include Radon, Cosmic radiatio... Read More
A 32-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
Ask the technologist: The technologist at your facility should have recorded the exact dose given and may be able to give you the expected exposure to different body parts.... Read More
A 37-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
Ignore: Keep your eyes open and feet on the ground. They add input to the balance system to reduce dizzines.
A female asked:
Dr. David Dinhofer
Radiology 42 years experience
Ovaries often not : Ovaries are often not seen on ultrasound. This doesn't mean anything. The rest of the history is of concern. She seek follow up with her doctor.
A 49-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
It is abnormal: This sounds like a liver spleen scan. Heterogeneous uptake is an indication of an abnormal liver but is not specific. Did you have any other tests? ... Read More
A 21-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
See answer: Pain in the thick part of the calf worsens with walking or when you press on it. Often DVT is associated with swelling in the foot and ankle.
A 16-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Need to see doctor: The bilateral nature of your symptoms is of concern and may point to systemic disease. However, this is not a diagnosis made online. See your doctor... Read More
A member asked:
Dr. David Dinhofer
Radiology 42 years experience
Not a good idea: Urine is made continuously. So trying to put a substitute for your urine won't hide prior drug use. There are risks of self catheterization. You co... Read More
A 21-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Depends: Certainly if you are worried, you should go to the hospital. It is difficult to judge how much you are bleeding from your question. You are the one ... Read More
A 31-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Not significant: A non-distended gall bladder is not abnormal. It is reported but has no significance.
A 25-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Not sure: Swallowing is a complex function crossing nerve boundaries and organs. Most likely, it is a sensation not associated with a functional problem. Howe... Read More
A 34-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Hand shoulder syndro: This is not a diagnosis that can be made without more information. More history is needed as well as a physical exam. Please see this link for mor... Read More
A 23-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
No: Stress ECG's are subject to variability and interpretation. Without see it, I cannot judge it. However, if the echo and post EKG's show no problems, ... Read More
A 51-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Not likely: With that said, breast pain and redness of the breast can be associated with cancer. More commonly this is associated with mastitis (infection of the... Read More
A 65-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Normal: However, I don't know what is meant by, "No hemodynamically significant effusion noted." This may be a typo or taken out of context.
A 43-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
No: Myelomalacia is when there is thinning of the spinal cord and can be cause by a protruding disc. A protruding disc may be compressing the spinal cord... Read More
A 44-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
Contrast: We see things on x-ray when structures with different x-ray densities are next to each other. So, the diaphragm is a water density that is next to th... Read More
A 27-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Reflux?: Gastric Reflux is a possibility. This when muscle between your esophagus and your stomach is not working right. Contents of your stomach (acid) can c... Read More
A 32-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
Yes: The symptoms you describe are often associated with Acid reflux. However, this could be associated with gastritis. Try eating smaller meals and don'... Read More
A 16-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
Viral enteritis: These symptoms will usually abate in two to three days. If you are able to hold liquids down then you can try to wait it out. If you have a lot of d... Read More
A 35-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
Yes and no: There are two major sources of ionizing radiation (the bad radiation). Radioactive isotopes and x-rays (cosmic and gamma rays are equivalent to x-ray... Read More
A 19-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
Unknown: BCIS is currently being researched. It is not my area of expertise. It is not clear what it is or if there is a syndrome. (see second article) Chec... Read More
A 37-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
0: Radiation doesn't stay in your body. What may remain is damage to DNA. Our bodies repair damaged DNA so small amounts like you received should not w... Read More
A 37-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
Ignore: All children have something they do well. use it to build confidence and expand from there.
A 18-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Not zero: If the condom breaks, it is as if no condom was used. Some semen can leak before a man has an orgasm. This is why early withdrawal doesn't always wo... Read More
A 35-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
Yes: A retrograde urethrogram is an alternative. This done by placing a catheter in the urethra by the tip of the penis. A balloon is inflated to block t... Read More
A 23-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
U/S: Ultrasound is the best test to examine the gall bladder. It can be used to identify gallstones, the size of the common bile duct, gallbladder wall in... Read More
A 20-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
Not an issue: Prevalence is important only for public health researchers and officials. For the individual, the concern should be do you have risk factors and symp... Read More
A member asked:
Dr. David Dinhofer
Radiology 42 years experience
Not blood: This is a chemical reaction with the cleaner that you use. However, when you clean the toilet, they should disappear unless the seat is permanently s... Read More
A female asked:
Dr. David Dinhofer
Radiology 42 years experience
Possibly: But, it would not be the first thing I think of. Fractures of the tail bone would have to interrupt the nerve that goes to the bladder for it to be t... Read More
A 16-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
See a doctor: As much as I believe your coach is a great guy, he (or she) is not a doctor. I would rather you had a doctor diagnose a slipped disc than your coach.... Read More
A 16-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
See a doctor: Breathing problems and chest pain can be caused by many reasons. Some are simple and of no importance but some can need immediate attention. I sugge... Read More
A 29-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
Yes: Sleep is the most important issue. Try to set up a regular sleep cycle. You should continue your exercise routine during daylight hours if possible.... Read More
A 67-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Possibly: However, the adjacent liver have variable uptake of the PET agent. This could be a normal area of liver or a non-cancerous nodule. Without seeing th... Read More
A 39-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
See answer: This procedure is simple for you. You drink barium in a special liquid so that it coats your small bowel. The barium usually takes about 1 1/2 hours... Read More
A 27-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Not much: 1. thickened endometrium is common in fertile women. 2. No sac means that if you were trying to get pregant, there is no evidence at this time. If yo... Read More
A 47-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
Mostly technical: The carotid arteries are well seen on Carotid duplex scanning. The problems are whether we can get good images of the arteries due to the patients an... Read More
A 39-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
Ask for the referral: Your doctor should give you a referral form or prescription upon request. Then you can take the referral paper to any imaging center that performs th... Read More
A 24-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
Maybe: If you have a mild reaction, No. If you develop hives all over your body or the swelling extends way beyond the site of the sting, then I would seek ... Read More
A 71-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
Yes: A radioactive isotope is used and injected into the blood. It is accumulated in the bones. It is the radiation that comes from the isotope that allo... Read More
A 43-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
None: At least not the type that causes cell injury. The radiation from X-rays is called ionizing radiation because it can damage tissue. There are radio ... Read More
A 58-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Cyst: Without having seen the images, I can only talk in general. White areas on MRI are commonly cysts or fatty tumors. These are benign and not to worry... Read More
A 35-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Variable: Depending on what you eat, it could be in the stomach pouch (this is what doctors call stomach). The food then goes through the small intestine and o... Read More
A 51-year-old member asked:
Dr. David Dinhofer
Radiology 42 years experience
Only when extreme: The term, parapelvic cyst, refers to cysts in the kidney. These are almost always benign. If there are a lot and and very large , they can block the... Read More
A 21-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Need to see a doctor: The female pelvis is a crowded area. Besides uterus and ovaries, there is bowel, appendix, bones, muscles and more. If the pain is not better or ge... Read More
A 23-year-old male asked:
Dr. David Dinhofer
Radiology 42 years experience
See a doctor: This should be looked at by a doctor. Mucosal lesions can not be diagnosed online. They need to be looked at by a professional. It is most likely... Read More
A 30-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Not sure: Bleeding in during the first month of pregnancy is not uncommon. It is more likely that your LMP is the last one in February. The best way to find o... Read More
A 40-year-old female asked:
Dr. David Dinhofer
Radiology 42 years experience
Above the knee: A pop with pain may be associated with a muscle/tendon rupture. I suggest you ask your doctor about this as it can go undiagnosed. most of the time t... Read More

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Testimonials
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