expert type icon EXPERT

Warren Janowitz, MD

Radiologist

Dr. Warren Janowitz is a radiologist practicing in Miami, FL. Dr. Janowitz specializes in diagnosing and treating injuries and diseases using medical imaging techniques such as X-Rays, magnetic resonance imaging and computed tomography exams. These techniques offer accurate visibility to the inside of the patients body and help to detect otherwise hidden illnesses so that they can be treated quickly and efficiently.
47 years Experience
Warren Janowitz, MD
  • Miami, FL
  • New York Univ Sch of Med, New York Ny
  • Accepting new patients

How is Alzheimer's diagnosed with a PET scan?

There is a PET agent that binds to amyloid which is increased in the brain of Alzheimer’s patients. FDG is also used but not as accurate.

Are children sedated for scans like CAT?

Sedation is used sometimes in children. Make sure that the facility knows about your concerns and is able to do sedation. Occasionally children need to be anestisized, usually READ MORE
Sedation is used sometimes in children. Make sure that the facility knows about your concerns and is able to do sedation. Occasionally children need to be anestisized, usually for MRI, and an anesthesiologist should be present.

What is the accuracy of a radiologist report?

Difficult to answer. Most reports are accurate but tumors can be missed due to multiple reasons such as size and location. Even good radiologists can miss lesions that we’re there READ MORE
Difficult to answer. Most reports are accurate but tumors can be missed due to multiple reasons such as size and location. Even good radiologists can miss lesions that we’re there in retrospect. Missing a lesion is not necessarily malpractice unless it is obvious and would have been seen by a average radiologist

Can a ultrasound find out if there is any growth on my abdomen?

Possibly but not necessarily. CT would be more accurate if needed.

What can i expect after having an MRI?

Should have no problems if without contrast. With contrast reactions are rare. Should talk to technologist or radiologist about potential complications.

Is there a way to know if a tumour is cancerous or not by way of a scan?

Usually requires a biopsy. Rarely imaging characteristics are highly suggestive but best to confirm.

What type of diagnostic test is recommended for abdomen pain?

Difficult to answer with limited info. Generally an abdominal ultrasound is done first followed if needed by a CT. However different work up may be needed depending on symptoms READ MORE
Difficult to answer with limited info. Generally an abdominal ultrasound is done first followed if needed by a CT. However different work up may be needed depending on symptoms and other findings. Would see her doctor first and follow his or her recommendations.

What deformities in the growing baby can be confirmed in an anomaly scan?

Only defects that produce anatomic abnormally can be seen by ultrasound. Genetic tests such as amniocentesis can detect many genetic abnormalities.

Can cancer show up in a CT scan?

The CT cannot tell the difference between benign and malignant masses in most cases. A biopsy is usually required.

My father’s CT scan shows two seperate reports. How is that possible?

It doesn’t. If the 2nd was done with contrast, it might mask the stone. I would check with radiology to check for an error.

I accompanied my mother for her X-ray and I didn’t know I was pregnant then. What should I do?

The amount of radiation you would have been exposed to would be minimal. It is extremely unlikely to have any adverse effects on your baby. Just have your normal prenatal studies. READ MORE
The amount of radiation you would have been exposed to would be minimal. It is extremely unlikely to have any adverse effects on your baby. Just have your normal prenatal studies.

What is the key difference between an X-ray and a CT Scan?

Chest X-ray shows a 2-d image of a 3-d structure, the lungs. CT gives a 3-d image with much more details and is better for diagnosis.

What do you mean by nuclear medicine?

Nuclear Medicine involves the use of radioisotopes for medical imaging. Common procedures are bone scans, stress nuclear cardiac imaging and thyroid scans. PET imaging is also READ MORE
Nuclear Medicine involves the use of radioisotopes for medical imaging. Common procedures are bone scans, stress nuclear cardiac imaging and thyroid scans. PET imaging is also part of NM. Some therapeutic procedures such as treating hyperthyroidism and some cancers are also done. NM physicians can do a 4 year NM residency, though most do diagnostic Radiology and subspecialize in NM.

Is Radiation therapy safe for kids?

No way to predict. Could happen but sounds like radiation is necessary.

What is the difference between an X-ray and a CT Scan?

The CT scan gives much more detailed information about what is going on in the lungs. Can be very helpful in making an accurate diagnosis.

Open MRI

Open MRI have less resolution due to weaker magnetic field. In general closed MRI are better unless you are claustrophobic. Closed MR may be OK if high resolution not needed.

What if I'm allergic to contrast?

There are protocols to premeditate patients with contrast allergies using steroids and antihistamines. Should be safe.

Is radiology equipment really safe?

Radiology equipment is safe. Only problem would be if you need contrast and have an allergy. Abnormal kidney function can also be an issue if you need contrast.