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Dr. Herbert Duvivier

Hematology and Oncology
Glendale, CA
33 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

337 Answers
159 Agrees
The number of answers this doctor has agreed with.
A 27-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Further evaluation: Your doc is concerned about the possibility of malignancy being present. Diseases such as lymphoma or metastatic cancer or locally advanced cancer cou... Read More
A 49-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Monitor closely: I would recommend that you advise your primary physician of the situation. Since the tissue is pink it may represent a small amount of blood on the pa... Read More
A 48-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Low: Due to the potential side-effects and risks of transfusion and the chronic blood shortage the us has, most would agree that transfusion should occur o... Read More
A 37-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Not long: Although it depends upon the tests ordered most serum tests can be performed 1-2 days after donation. If there are iron studies ordered i would sugges... Read More
A 22-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Several hundred: A trip to an urgent care center will be less expensive than going to an er; try to find a public hospital if you go to an er. There are also free clin... Read More
A 40-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Ok: If you started ac this month then your last ac will be sometime in the latter part of november that means your next cycle of something would have been... Read More
A 51-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Podiatry: Podiatrists specialize in the anatomy and diseases of the foot. I would recommend that you get a referral to see one so that an appropriate evaluation... Read More
A 38-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Further eval: In short you have increased protein in your blood some of which is all the same (monoclonal). The doc is sending you for further eval to make sure the... Read More
A 45-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Best place to sample: If one is concerned about leukemia you need to go to where the cells originate to take a sample to determine amount and type. Any bone will have marro... Read More
A 23-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Many issues: Please be aware that suggestions of physical, verbal or mental abuse are serious accusations and if true should be dealt with by the appropriate autho... Read More
A 43-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Low lymphocytes: A low lymphocyte count is also called lymphopenia. A count of 0.7 says that you only have 700 lymphocytes present on the blood test (which is to few).... Read More
A 49-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Many things: Bruising occurs when there is excess leakage of blood under the skin from broken blood vessels. Therefore problems such as fragile skin/blood vessels ... Read More
A 25-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Depends: In general stage 4 lung cancer carries a poor prognosis. Without treatment such patients tend to survive 6-12 months although some less and some more.... Read More
A 19-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Dry skin: The chlorine in pool water and the salt in the sea will over time wash away the natural oils of your skin leading to dry skin, flaking and cracking. A... Read More
A 29-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Two types: A cancer arising in the liver from the cells originating in the liver is called a primary liver cancer; cancers arising in the liver but from cells or... Read More
A 16-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Hereditary testing: If ilc refers to invasive lobular carcinoma i would strongly advocate for you to be braca tested. If positive consider bilateral mastectomies with rec... Read More
A 29-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
One more opinion: There are many issues to decide when choosing a regimen for treatment. Given the information above, the age of the patient i tend to think that folfox... Read More
A 24-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Speak with your md: Any change in medication dose or frequency should be made by the prescribing physician and not by the patient. There are many factors to take into con... Read More
A 38-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Could be reflux: Although other possibilities exist the nausea and stomach ache could be related to excess gastric acid and gastritis. I would suggest speaking with yo... Read More
A 29-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Very involved: There are many types of blood cells: red blood cells, white blood cells, platelets, etc which can develop problems. In addition there are diseases of ... Read More
A 38-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Hard to say: Lower back pain is one of the most common complaints seen by internists. Whether it is abnormal or not would depend on factors such as type of work, h... Read More
A 30-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Depends: The sentinel lymph node designation means it is the first node to which lymph fluid in a specific region of the body drains. Example, breast drains to... Read More
A 35-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Further evaluation: If you are a smoker further evaluation with a ct scan of the chest may be indicated; you should also consider asking your physician for referral to a ... Read More
A 42-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Not really: The major side-effect of radiation to the breast is development of skin irritation (somewhat like a sunburn) the radiation itself causes no discomfort... Read More
A 31-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Needs eval: A lump in the testicle should be evaluated by a physician and imaged (testicular ultrasound) if need be. Guessing is not in order. Please see your phy... Read More
A 35-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
1 cause is medicine: Rashes due to medications and other types of allergic reactions are two causes (of many) which can cause a lyphocytic dermatitis. I would suggest you ... Read More
A 41-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
No: Vicodin contains Acetaminophen and a narcotic. Neither of these is a blood thinner.
A 30-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Immune system: Absolute lymphocytes refers only to the number of lymphocytes present in the blood (as opposed to the percentage). Lymphocytes are important as they p... Read More
A 42-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Many: "mild" side effects can include fever during the transfusion. Most other side effects i would not consider mild and can include both hemolytic and non... Read More
A 38-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
May take time: Swollen lymph nodes usually take a fairly long time to resolve and sometimes do not totally return to normal due to structural changes in the node or ... Read More
A 37-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Low iron: If the MCHC level is below 28%, this is considered too low. The MCHC level can be too low because of blood loss over time, or too little iron in the b... Read More
A 16-year-old male asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Possibly: Highly anxious states can sometimes cause loose stools/diarrhea and stomach cramping. However, the presence of blood is usually not a symptom. It coul... Read More
A 36-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Maybe infectious: The bumps may be related to herpetic infection or other infectious process or may be related to an allergic reaction. I would recommend that you see y... Read More
A 26-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
No: Although I am not a ob/gyn i believe the presence of the fluid is not indicative of pregnancy but could be present for many other reasons including i... Read More
A 48-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Difference: A inguinal hernia is a tear of the muscle/fascia in the inguinal canal with protrusion of the colon through the tear. A lymph node is a structure whic... Read More
A 52-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
If by tumors you : Mean enlarged lymph nodes in his neck and inside his chest or under his armpits or above his collar bones then the answer is yes. Enlarged nodes sugge... Read More
A 23-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Not enough info: Review of the literature is mixed at best as to consumption of wheat grass during pregnancy. Since it is unclear whether it is safe i would suggest er... Read More
A 40-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Most likely not.: High rbc with low mcv, mch, MCHC could represent either iron deficiency in a patient with polycythemia or something called thallasemia. The elevated p... Read More
A 45-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Depends: It may become enlarged due to infiltration by the CML cells or because of extramedullary hematopoiesis (where blood cells begin to be made by the live... Read More
A 48-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Depends: Lymph nodes are usually small 5mm soft, non tender and freely movable if they enlarge they may become tender or hard or fixed (non-movable) depending... Read More
A 43-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Possibly: Being on thinners will increase the time it takes to stop bleeding. As the endometrium is shed there is usually some amount of active bleeding also. T... Read More
A 34-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Possible: Usually w/o oral contrast it would be hard to see the inside of the stomach; however, if the tumor is large enough or there has been spread outside of... Read More
A 37-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Progressive: Myelofibrosis (a myeloproliferative disorder) is a progressive disease. However the rate of progression varies from patient to patient. In addition th... Read More
A 49-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Possibly: Antiphospholipid antibody syndrome causes individuals to have a propensity to develop blood clots. The defect is not in the rbc itself and the syndrom... Read More
A 35-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Large platelets: The mpv is a measure of how large the platelet is. Large platelets are presumptively young platelets. If the platelets are being used up or destroyed ... Read More
A 58-year-old female asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Rare: Although rare to have both diseases it can happen. Treatment of either disease will depend upon the symptoms. For smoldering myeloma most would monito... Read More
A 38-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Most likely not: Unless the lung cancer has progressed enough to metastasize to the bone of the jaw it is unlikely the pain is related to any lung carcinoma. However, ... Read More
A 31-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Depends: Low iron levels are usually reflected in the development of anemia (low hemoglobin) this can make you feel tired and lethargic and rundown. Also low i... Read More
A 33-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Not necessarily: Low B12 can manifest w/o the development of anemia initially. Supplementation with either injections or with oral supplements may be in order if the B... Read More
A 40-year-old member asked:
Dr. Herbert Duvivier
Hematology and Oncology 33 years experience
Counseling.: Although sometimes counseling alone is enough to help depressed patients it is often times not enough. Depression is caused by chemical changes in the... Read More

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Testimonials
Recommendations and Thank you notes are endorsements given from patients or other doctors.

2
Recommendations
457
Thank you notes
HealthTap member
Mar 31, 2015
Dr. Duvivier is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 30, 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