U.S. doctors online nowAsk doctors free

Dr. Herbert Duvivier

Hematology and Oncology
Glendale, CA
35 years experience male

About

Bio

I am a Los Angeles native. I went to USC as an undergraduate and graduated from Tufts University Medical School. I enjoy reading and hiking trails with my dogs- three Labs (yellow, brown and black).

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.

Hematology and Oncology

Languages spoken

English

Doctor Q&A

277 Answers
118 Agrees
The number of answers this doctor has agreed with.
A 30-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Depends: Survival is dependent upon what stage the patient is in at time of diagnosis. If the patient has stage 4 (metastatic disease) at presentation and has ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Further evaluation: There are many reasons for elevation of the serum protein. The hematologist is the best person to guide the work-up to determine if you have something... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Unlikely: Although night sweats can be associated with malignancy (such as lymphomas) it is less likely to be directly associated with ovarian cancer. A better ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Lung cancer: Adenocarcinoma is a type of non-small cell lung carcinoma; apex is the top portion of the lung. The description states that there is a non-small cel... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Low platelets: Platelets are cells which help you to stop bleeding. Think of them as bricks which build a wall in a hole. The normal range is 150, 000 to 400, 000. T... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Depends: Take the total WBC and multiply by .455 and this will give the absolute number of lymphocytes. If the total number is higher then the upper limit then... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Hope this helps: Perinatal = timeperiod 5 months prior to 1 month after birth prenatal = same as antenatal antenatal = time-period up to but not including birth.
Created for people with ongoing healthcare needs but benefits everyone.
A 49-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Yes: Chronic drinking can lead to gastric irritation, ulcer and duodenal ulcers. These may bleed allowing blood into the GI tract and eventually will be se... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Depends: In general the % is not most important but rather the absolute # of lymphocytes. If the number is truly low then you have lymphopenia. This is often s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Always possible: There are no tests which correlate 100% with the presence/absence of cancer. A normal blood test, while good, cannot be taken as a guarantee that no c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Exercise/nutrition: 15kg is approximately 33 pounds. To be safe you need to lose approximately 2 lbs per week so it should take about 4 months to lose. Increase you activ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Unlikely: If you mean stomach as in the organ in which the food goes an ultrasound is not the best way to look at it and a referral to a GI doc for possible upp... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Seek evaluation: It could be retained, old blood being discharged. However, i would suggest that you seek evaluation by your gyn to confirm.
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Generally: Bone marrow is found in the inside of the bone. It is where all red cell, white cells and platelets are made. It is reddish in color. The spleen has ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 49-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
It the dysplasia: Think of your disease as representing a field defect. Other areas of the colon may have the same defect and allow for growth of other areas of polyps ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Range of symptoms: Ttp can involve many different organs. One can have renal dysfunction, fever, altered mental status, low platelet counts and hemolytic anemia. These s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 49-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Short periods: Both of these drugs are metabolized over a short period of time. They are greater than 99% metabolized (removed) from the body within 5-7 days of admi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Short answer: No, fasting will not affect your platelet count.
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Uterine cancer: The uterus is the female organ in which conception and carrying of the fetus takes place. The cervix is the opening of the uterus. Cancers of the cerv... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Orthopedic: As this is a benign condition of the bone i would think an orthopedic surgeon may be the person; on the other hand it is located on the frontal bone a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Possible: Although pain in the ear may represent a tumor it is more likely to be something non-cancerous as the cause. I would recommend that you speak with you... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 55-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Possible ITP: Sounds as if the platelets have been chronically low for over 18 months. If the bone marrow was normal then you may have itp an autoimmune mediated lo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Thrombocytopenia: Platelet count less than the normal range of 150, 000 to 400, 000. Penia = low thrombocytes = platelets thrombocytopenia = low platelets.
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Probably not: Nerve damage from a herniated disk should be constant and burning/tingling in nature with or without strength changes. Best to speak with your primary... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Possible: Elevated WBC is also called leukocytosis. Any inflammatory condition, including cancers, can potentially cause a leukocytosis. Remember however, there... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Possibly: Swelling of lymph nodes in the groin region can sometimes occur during the time of menses but should resolve after completion of menses. If you have g... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Seek second opinion: Given your age i will step out on a limb and state your partner is between 35 and 50. If correct they are relatively young. I would recommend that yo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Possibly: Most joint supplements are otc and are supplements and are not required by the fda to supply any data regarding efficacy. I would recommend speaking w... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Not a good idea: Blood thinners make it more likely that you will bleed in general. Making small holes in the skin will make you bleed excessively because of the prese... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Have it checked out: I would recommend making an appointment with your physician for a breast examination and any other work-up they may feel if required to determine why ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 56-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Possibly: Large ventricles could be due to age related changes or due to increased intracrainal pressure or due to poor CSF circulation. Your symptoms could be ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Possiblities: The CEA is a poor indicator of breast cancer status. However, patients with one type of cancer can develop other cancers and the elevation and symptom... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 68-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Most likely: Even though a small piece of liver was removed the surgery itself is rather large. Two weeks is not enough time to recover to 100% (i believe). Give i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Complicated: Platelets may increase as a secondary phenomena due to inflammatory conditions; the ESR is an indirect measurement of inflammation. Putting it togethe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Not clear: The pain is located on the left but the right leg is turned out- this may be an adaptive response to the left buttock pain. I assume the crawling sens... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Determine cause: A low MCV could be due to iron deficiency; however, before increasing iron intake have your iron studies checked. Another possible cause of low MCV is... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Investigate further: I would recommend that further investigation be performed; possibly a biopsy of the thickened skin; also one could consider MRI of the breast. Also co... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Exercise: The best way to lose weight is to control portions, exercise, don't drink sodas (regular or diet) and don't sweeten coffee or tea (hidden calories). T... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Nothing specific: Eating all healthy foods will help you gain weight. Remember to lose weight you must use more calories then you consume; to maintain weight you must b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
1-2months: Donating blood entails removal of 250ml to 350ml of red blood cells. The amount of iron removed may take up to 6-8 weeks to replenish unless you are s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Depends: It can be a primary problem treated with removal of blood (thereby reducing iron) or it may be due to extrinsic factors (high altitude, smoking, carbo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Consider tumor.: Weight loss and anemia can contribute to both fatigue and dizzyness. The question is is the anemia related to the pelvic pain. Hypothetically the ans... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Significant: Most md's will not transfuse unless the HGB is less than 10gm/dl and more recently this cutoff has been lowered to less than 9gm/dl. The average range... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
No: A swollen lymph node in your armpit would suggest among other things a possible inflammatory response in the arm on the affected side. There is no lin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Undiagnosed vs....: Untreated. If the cancer is known and not treated survival will depend upon extent of disease and how rapidly it grows and metastasizes. If it is undi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Further evaluation: The tiredness and upset stomach are general symptoms. The issues could range from gastric ulcer and anemia, to nothing more than a viral gastritis. I ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Could be many things: The description is very non-specific. However, the best answer is to have your primary physician examine you and order appropriate tests as needed. Gi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
May slow it down.: Chemotherapy generally slows down the healing process. I don't believe it will stop the bone from healing but it will most likely slow the process dow... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
No: Although blood work can tell us much about the human body it cannot tell us if you have cancer and where it is located.
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 35 years experience
Sometimes.: It depends upon the chemotherapy regimen. Most chemotherapy, if taken long enough, will make people tired and fatigued. Think of running a marathon ev... 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
457
Thank you notes
HealthTap member
Mar 30, 2015
Dr. Duvivier is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Duvivier is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you, your answer or tip was very helpful! Thank you. Same pain & chronic flare if IBS-d no relief. GI Dr running tests. & colonoscopy. Hurt when abdomen pressed on 2specific spots.
HealthTap member
Thank you, your answer was very helpful! Thank you Doctor, I never thought of the follow up for those reasons
HealthTap member
Thank you, your answer was very helpful! The crawling feeling doesn't happen all the time. But in left leg.

Education & Training

Medical/Graduate school

Tufts University School of Medicine, MA
Graduated 1988MD

Awards

Top Oncologist and Hematologist , Second Place, National - Summer
2013
HealthTap Founding Doctor

Affiliations

Premiere Hematology-Oncology Institute
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