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Miami, FL
Office
Atlanta, GA
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Urgent Care Physician
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.
Nuclear Medicine
Family Medicine
Urgent Care
Doctor Q&A
173 Answers
68 Agrees
The number of answers this doctor has agreed with.
A 37-year-old member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
May get sick again: You may get re infected with bacteria from water or food sources.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 17-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Yes and No: Low ef on hida suggest gallbladder dysfunction, which may cause nausea, vomiting and pain after meals. Constipation may be a separate issue. Increase ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 18-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Corrective glasses : I assume you mean farsighted. See an ophthalmologist for vision testing. You may need corrective glasses.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 44-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Depends: If your symptoms suggested gallbladder disease to begin (right upper quadrant pain worse when eating, family history of gallstones, etc), then a chole... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 34-year-old member asked:
Results were normal from an ultrasound and hida scan, what else can i do to figure out what's wrong?
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
More info: You need to provide more information to make a proper comment. What are the symptoms for which they ordered the hida and us? Labs?
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 34-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Biliary disease: This may be a condition called sphincter of oddi dysfunction. It is a narrowing of the opening of the duct that connects the gallbladder and liver to ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 25-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
See a physician: The skin can be affected by multiple conditions. What you are describing can be any of them, including psoriasis, atopic dermatitis, among others. Con... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 49-year-old member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Pain control: If the urologist already reviewed your case and decided that the stone is small enough to pass without intervention, then pain control would be indica... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 23-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Overall yes: There is an associated increased risk of cervical cancer with multiple sexual partners. Avoid unprotected sex even though your partners claim to be "s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 50-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Need additional info: First your doctor must determine the cause of ed (neurologic, diabetes, hormone defficiency etc), then a therapy is recommended. See your doctor for p... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 25-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
SOD?: Sphincter of oddi dysfunction or sod should be excluded. Although not common, this condition may mimic symptoms of gallbladder disease. It is a strict... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 38-year-old member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Depends: Depends on the underlying cause of the nephrolithiasis or kidney stones. See your doctor to discuss your blood tests and radiology studies.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 37-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Kidney stones: The stones are likely causing damage to the kidneys or urinary tract, resulting in blood in the urine. If you were discharged from the hospital with a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 49-year-old member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Its necessary: The enema or liquid solution GoLytely (polyethylene glycol) is necessary for proper colon prep. Whithout this it would be difficult for the endoscopis... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 25-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
No relation: Gallstones and kidney stones are formed from different type of materials. You may have an underlying metabolic cause for your kidney stones like hyper... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 35-year-old member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Gallbladder disease: If the pain is below the right rib cage and they injected cck or cholecystokinin, the pain is likely related to gallbladder dysfunction.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 30-year-old member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Liver functions: Your physician will need to make sure your liver and pancreas are working properly, specially if you are symptomatic.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 29-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
GERD: You may have gastroesophageal reflux disease with possible reflux of bile into the stomach. See your doctor for physical exam.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 31-year-old member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Few days: Your colon was empty in preperation for the colonoscopy, therefore it would take a few days to have a bowel movement.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 57-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Fissure: It is likely the anal fissure causing burning sensation in the anus. See your doctor for physical exam.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Yes: Blood in the stool needs to be evaluated, specially if persist for 10 days.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 26-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Celiac Disease?: See your gastroenterologist for testing for celiac disease and multiple other conditions which may cause malabsorption problems.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 17-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
See a physician: Some patients have irregular cycles. Pregnancy should always be excluded. There are medications you can take to help get it under control. See your gy... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 33-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Probably not: A proper pelvic examination is necessary to make a diagnosis. A pelvic ultrasound may be ordered as well. See a physician.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 39-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Quit: I would first tell your friend to seek medical attention to discuss tobacco cessation. Most nicotine should be out of the body a few days after quitti... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 35-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Stress Fracture?: Stress fracture can present as you described. Discuss the results of the scan with your doctor and don't be afraid to look for a second opinion, it al... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 24-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Normal: Viral conditions like the cold may present with malaise (not feeling well, tired, drowsy). Claritin (loratadine) is non drowsy med.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 52-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Radioablation: Graves disease can affect other systems of the body, including the skin, heart, circulation and nervous system. Recommended treatment is radioablation... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 56-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Yes: If you are fasting for more than 12 hours prior to scan, the gallbladder is full of bile, therefore the nuclear radiotracer cannot get inside the gall... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 42-year-old member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
When was it: Remember that you emptied you entire colon in preparatio for the colonoscopy. You should have a bowel movement 24-48 hours after procedure. Check with... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 51-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Likely Yes: Symptomatic gallbladder disease is usually resolved with surgery. Consult with your gastroenterologist. Likely yes, surgery. Good luck!
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 50-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Degenerive likely: Given the location described, and assuming the spots are white, normal wear and tear or degenerative disease of the spine and hips is likely.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 53-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Vit. Defficiency?: Don't know if you were tested for thyroid disease or vitamin B12 and Folic Acid deficiency but would be reasonable to do so as well.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 53-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Surgery: You may need surgery lannie. Usually a hida is ordered after an ultrasound or ct scan. In the end, if you have symptoms and have an abnormal hida, sur... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 32-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
See below: Multiple approaches are much more helpful than single systems. Combination of appropriate diet and exercise is always recommended, easier said than do... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 61-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
What was polyp?: If the polyp was negative for malignancy including the base, then this uptake would probably be inflammatory in nature (healing cells).
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 31-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Cholecystitis: If the gb was not seen on the study then there is gb dysfunction. Other studies may be used to determine the cause including ultrasoung, ct and mri. S... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 45-year-old member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Some: Kidney infections would present with fever, pain on urination. Kidney stones would present with significant pain, blood in the urine (visible or prese... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 29-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Vaccines: Be up-to-date with routine shots, such as measles/mumps/rubella (MMR) vaccine, diphtheria/pertussis/tetanus (DPT) vaccine, poliovirus vaccine, etc.
R... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 17-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Omeprazole?: I believe the medication you mentioned is Omeprazole which is an antacid and actually may delay gastric emptying. Stop using this medications at least... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 35-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
SOD?: Sphincter of oddi dysfunction or sod although not very common, should be considered in a patient with your symptoms and negative imaging studies. It i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 37-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Maybe : Ef greater than 30-35% is normal. However, if there are symptoms associated then surgery may be indicated. Other studies are necessary, including ultr... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 31-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Where is the pain: More information is needed to answer your question. Location of pain, severity, what makes the pain worse or better, associated with foods or drinks e... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 17-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Unlikely: If the ef on hida is 15% that means that there is gb dysfunction. If symptoms are present including pain after meals, nausea etc, surgery may be indic... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 25-year-old member asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Another opinion: I assume that your doctor referred you for ct scan after physical exam and labs to look for causes of headaches. If this is the case, than imaging stu... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 17-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Maybe and no: If your gallbladder ef is 0%, that means you have gb dysfunction. I you have symptoms then surgery is indicated. Yes you would be able to digest fat. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 24-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
See below: It is a problem with the ducts or tubes connecting your liver and gallbladder to the small intestine and pancreas. When there is hepatobiliary dyskine... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 24-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Not painful: Colposcopy is a simple, 10- to 15-minute procedure that is painless and performed in a gynecologist's office.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 54-year-old male asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Yes: They are rich in monounsaturated fatty acids (about 72%) like oleic acid and an excellent source of all important omega-3 essential fatty acids like l... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 36-year-old female asked:
Dr. Fidias De Leonanswered
Nuclear Medicine 23 years experience
Yes: It is safe to take while breastfeeding.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >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
224
Thank you notes
HealthTap member
Mar 30, 2015
Dr. De Leon is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. De Leon is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you, your answer or tip was very helpful! The gastric emptying study was: Emptying 35%, emptying begin (to) 31 min.; emptying end 89 min.; T1/2 115min; T0 - T1/2 84min; ... Abnormal
HealthTap member
Thank you, your answer or tip was very helpful! Sir..thank u for ur reply..shall i take laser treatment.is there any side effects?i wear specs for one year..
HealthTap member
Thank you, your answer or tip was very helpful! That's what I say remove! Symptoms . Don't know why have to see Gi. Classic symptoms. No stone ultrasound!
Education & Training
Medical/Graduate school
Universidad Iberoamericana
Graduated 2000MD
Residency
Montefiore Medical Center
Residency
Montefiore Medical Center
Awards
Physicians Recognition Award, American Medical Association
Thought Leader, Second Place, Atlanta, GA - Winter
2013
Top Nuclear Medicine Specialist, Second Place, National - Winter
2013
Affiliations
Urgent Care Association of America
Florida Medical Association
Publications
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