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Dr. Michael Benjamin

Hematology and Oncology
Mission Viejo, CA
24 years experience male

About

Bio

I was born in Florida. Undergraduate degree from University of Florida, medical school at Tulane, residency and fellowship at Emory. I have had training in oncology, malignant hematology, and benign hematology (anemia, clotting problems). Currently in solo practice west San Fernando Valley.

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

77 Answers
28 Agrees
The number of answers this doctor has agreed with.
A 39-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Debatable: I believe I have seen it in my practice, but evidently dermatologists do not agree on whether low iron causes hair loss: http://www.Ncbi.Nlm.Nih.Gov/... Read More
A member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Unusual but possible: As we are taught in fellowship, "tumors don't read text books." supraclavicular nodal metastasis is a distant site, technically stage iv. Usually th... Read More
A 25-year-old female asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Polycythemia: There are only a few causes of a high hemoglobin. We divide these cases into primary and secondary high hemoglobin, or "polycythemia." secondary mea... Read More
A 76-year-old female asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Correct: The myeloproliferative disorders are polycythemia vera, essential thrombocythemia, and myelofibrosis. Of these three, only myelofibrosis is known to ... Read More
A 48-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Flare or chronic?: Flares can be managed with Colchicine and anti-inflammatory medicines. Reducing uric acid turnover with medications like Allopurinol is good for long... Read More
A 33-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Yes: With treatment using supportive care (transfusions), medical therapy (immune suppressants), and stem cell transplantation, patients are able to live a... Read More
A 29-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Forms forms: In california, at least, patients and physicians fill out state disability forms to get benefits from the state (and private insurance, if the patient... Read More
A 45-year-old female asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Depends on stage: We don't have enough info here. It sounds like she is being recommended for radiation, and that sometimes makes sense depending on the pattern of the... Read More
A 34-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
How severe?: I have seen a young lady die of severe anemia after a hemoglobin of 3 for a week, after chronic hemoglobins of 5. I have rarely seen problems with he... Read More
A 29-year-old female asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Need more context: By itself, d-dimer isn't that useful. It's a marker for breakdown of clotting factors, so elevated levels imply a clot somewhere. Humans are always ... Read More
A 39-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Absolutely: People think that since cigar smokers rarely "inhale" smoke, that they do not have the same lung cancer risk as cigarette smokers. This thinking is n... Read More
A 35-year-old female asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Most definitely: Found a study showing increased liver damage in marijuana users with chronic hepatitis c viral infection. So, the potential for liver damage exists, ... Read More
A 45-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Better than 50-50: 65% of solitary chest xray nodules were benign in smokers and non-smokers in a study published in 1997. http://www.ncbi.nlm.nih.gov/pubmed/9129544 t... Read More
A 40-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Here are some links: This is an excellent site maintained by a heme-onc fellow on the east coast, and he has collected a few regimens for all. It's pretty tough to actual... Read More
A 41-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
The two are linked: This finding goes back to 1964, believe it or not: http://www.Ncbi.Nlm.Nih.Gov/pmc/articles/pmc1552204/?Page=1 there are autoimmune antibodies i... Read More
A 34-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Yes: This question is nicely answered by a free article from jco: http://jco.Ascopubs.Org/content/23/8/1636.Full neither Arimidex (anastrozole) nor tamox... Read More
A 40-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Very common: Fibrocystic changes are not clearly related to risk of malignancy. They are usually picked up on biopsy for suspicious findings on mammography. Thes... Read More
A 36-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Yes, usually: The kaposi sarcoma lesions are usually not painful, at least initially. More information is available at the nci website: http://www.Cancer.Gov/canc... Read More
A 31-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
High vs. low: Leukemia is a malignancy of the white blood cells, sometimes leading to excessive amounts of these cells in circulation. Leukopenia is a deficiency... Read More
A 42-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Sometimes: Rai stage 0 cll infrequently progresses to higher-stage disease. The median survival is at least 130 months as reported in 2009: http://asheducation... Read More
A 38-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Usually surgery: "leiomyosarcoma" as a term only refers to the microscopic appearance of a tumor, and only incompletely predicts behavior in a patient. We would need ... Read More
A 66-year-old male asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Seek attention ASAP: Could possibly be obstruction, especially if you've had prior surgery, or if there is vomiting. Volvulus, perforation, or intestinal ischemia are oth... Read More
A 26-year-old male asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Pretty unlikely: According to American Cancer Society: "Overall, 90% of new cases and 94% of deaths occur in individuals 50 and older." http://www.cancer.org/acs/group... Read More
A 19-year-old male asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Blame your genes: Some people lack an enzyme for metabolizing alcohol, and so they have flushing when they drink. The enzyme is called alcohol dehydrogenase. A study i... Read More
A 48-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Not really: I personally prefer TPN to have its own line, and you will hear that from experienced nurses. While the substances may not be incompatible, TPN is as... Read More
A 47-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
1/1000 lifetime: Here is a number stating 1 in 1, 000 lifetime chance of a man to get breast cancer in his lifetime, though I have also seen a 1 in 10, 000 number. ht... Read More
A 37-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
In 400 words?: This sounds like homework. This is simple mendelian genetics, the old 1:2:1 ratio of outcomes if two carriers mate. So if two sickle carriers mate,... Read More
A 26-year-old male asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Lot of possibilities: Sounds like irritable bowel disorder but if these symptoms persist you should probably see a doctor because of how many possible problems these sympto... Read More
A 36-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Not really: I haven't seen this in eleven years of studying and practicing hematology medicine. I would consider other possibilities, like other nutritional defi... Read More
A 33-year-old female asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Depends on stage: Sorry to hear about your mother's diagnosis. Usually chemotherapy alone is not the only treatment for nasopharyngeal carcinoma, and patients will hav... Read More
A 33-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Bleeding: Spontaneous bleeding, like nosebleeds or heavy menstruation for women, can be an early clue. Many patients are only discovered when they have signifi... Read More
A 29-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Man or woman?: Female vegetarians would tend to lose iron more quickly and become anemic due to monthly menstrual losses. Pregnancy and breastfeeding also lead to i... Read More
A 43-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
See a doctor: This question doesn't entirely make sense, but the "still bleeding daily for months" part is a little worrisome, may want to get that checked out by y... Read More
A 46-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Less than 3 months: There is a good free article that addresses your question: http://www.Ncbi.Nlm.Nih.Gov/pmc/articles/pmc2361615/ this group found no difference in out... Read More
A 24-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Sounds like jaundice: "yellow eyes" are more suggestive of liver disease or the blood disease hemolytic anemia than leukemia. You should probably seek medical attention if... Read More
A 48-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Differs: The answers depend on patient age, overall health, and type of aml. Usually younger, healthier patients are offered aggressive chemotherapy and pos... Read More
A 38-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Blood will tell: Chronic liver disease can cause a few blood diseases: -low platelets -anemia -low wbc -prolonged pt leading to bleeding also, hemochromatosis, ... Read More
A 32-year-old male asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Prostatitis?: Kblack, your symptoms are a little perplexing, but i found this link to information helpful: http://columbiaurology.Org/specialties/male_urinary_diso... Read More
A 36-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Depression is common: Depression is a common condition in many types of cancer, not just "brain cancer." some cancers may produce substances that have effects directly on ... Read More
A 45-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Not really: People with type o blood usually develop antibodies to a and b over time. So the recipient with type o blood would destroy any transfused type a bloo... Read More
A 42-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Rule out serious prb: While your question suggests an answer like "acupuncture" or "warm bath, " it also begs the question, "how do you know it's not something serious?" i... Read More
A 40-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Wait for it: The package insert of aldara: "early clinical clearance cannot be adequately assessed until resolution of local skin reactions (e.g. 12 weeks post-tr... Read More
A female asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Varies: I am sorry to hear about your mother's illness. There is no easy answer on this--i have seen spans of weeks to years. A lot has to do with her pre... Read More
A 49-year-old female asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Some patients do: Without knowing anything about the case, one possibility is scar tissue from surgery. Some patients have extensive "debulking" surgery if the ovarian... Read More
A 26-year-old male asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Perhaps: You are asking about thalassemia, inherited defects in hemoglobin synthesis. Some carriers are anemic and therefore could have symptoms. Your child ... Read More
A 58-year-old female asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Consider chemo: I am sorry to hear about this situation. In oncology, problems are either "local" or "systemic." local problems need surgery or radiation, systemic ... Read More
A 44-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
You can do it!: Stick with it--her-2 positive breast cancer is highly treatable for cure! each component of treatment is helpful and improves outcomes. You can do i... Read More
A 31-year-old member asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Varies: The short answer has always been, "six months." obviously you can't mark a calendar with this number. I have personally seen patients live for way... Read More
A 67-year-old female asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Resect if possible: Liver metastases are an unfortunate consequence of some cancers. Sometimes they are can be removed with surgery if the patient can tolerate it. Many ... Read More
A 42-year-old male asked:
Dr. Michael Benjamin
Hematology and Oncology 24 years experience
Yes: Staphylococcus can cause a pharyngitis. "Staph" can cause infections in other locations, such as skin and blood stream. http://www.cmnewsletter.com/a... Read More

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

2
Recommendations
192
Thank you notes
HealthTap member
Mar 30, 2015
Dr. Benjamin is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Benjamin is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
I am female and I have been vegetarian for 11months now and I just now started showing signs of iron deficient anemia.
HealthTap member
Thank you, your answer was very helpful! Thank you Dr. Benjamin. I will get checked. Sincerely, Tiffany-
HealthTap member
Thank you, your answer or tip was very helpful!

Education & Training

Medical/Graduate school

Tulane University School of Medicine, LA
Graduated 1998MD

Awards

AOA
Phi Beta Kappa
National Merit Scholar
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