Hematology
Clinical discussions on blood disorders, coagulation, transfusion medicine, and hematologic malignancies.
Recent Discussions
Should venous thrombosis in a patient with Behcet syndrome be treated with both immunosuppression and anticoagulation?
They should be treated with immunosuppressive medications, however, the additional benefit of anticoagulation is much debated. Various studies and metaanalysis have shown that anticoagulation, on average, does not add any benefit. There may be exceptions to this in the early part of treatment for so...
How do you risk stratify complex karyotype in newly diagnosed multiple myeloma in the absence of specific high-risk cytogenetic abnormalities?
Complex karyotype with >3 abnormalities is high risk independent of high risk FISH abnormalities. It tells you that the cancer cell is able to divide in culture and that is a bad sign as they are able to survive outside the marrow. It typically portends a highly proliferative signature of myeloma si...
Would you offer rituximab maintenance for 2 years after a successful response to induction in a patient with splenic marginal zone lymphoma?
Rituxan maintenance especially when done for 2 years versus 1 year can cause thrombocytopenia. Also, patients with thrombocytopenia and mzl tend to have lower freedom from progression at 5 years (50% vs 75%). IF your patient did not respond to Rituxan and has persistent thrombocytopenia, splenectom...
Would you offer treatment for asymptomatic CLL with WBC of ~300k or greater, high risk cytogenetics, or doubling time of 6-12 months?
Generally, starting treatment in a CLL patient is recommended based on the iwCLL criteria (Hallek et al., PMID 29540348).There is no WBC threshold that would require to treat, but the vast majority of patients with a WBC of 300K will have other reasons to start therapy. If this would be a patient wi...
Are there any reasons to consider a prolonged course of steroids with taper over a shorter course of pulsed steroids in the treatment of ITP?
As a general rule in pediatric ITP, I would say the answer is "no" but there are some exceptions. I'll defer to adult hematology colleagues to address this question for older patients, but some basic principles apply. 1. Steroid doses after an initial pulse, should be as low as possible because of ...
What is your approach to VTE prophylaxis following hematopoietic stem cell transplant?
My general approach is to offer VTE prophylaxis for patients with acceptable platelets count/absence of coagulopathy upon admission to the BMT unit for transplant and to continue until platelets are < 50k. I do not offer routinely VTE prophylaxis after SCT at discharge from the BMTU unit, with the e...
How do you approach diagnosing a patient with Iron Refractory Iron Deficiency Anemia (IRIDA)?
Iron-Refractory Iron Deficiency Anemia should be suspected when there is a lack of response to oral iron and only a partial response to intravenous iron. One should make sure there is not a chronic underlying inflammatory process to explain the lack of iron absorption or lack of the expected respons...
Do hemoglobin S levels always correlate with SCD phenotype?
The severity of sickle cell disease (SCD) is usually associated with the level of hemoglobin S (HbS). For example, HbSS and HbSB0 thalassemia, which generally have higher HbS levels, are usually more severe than HbSC and HbSB+ thalassemia. While patients with HbSC and HbSB+ thalassemia typically hav...
Is there a role for anti-neutrophil antibody testing in the workup of neutropenia?
In my view, anti-neutrophil antibodies add little to the work-up of neutropenia. Drs. @Dr. First Last and @Dr. First Last presented an abstract at ASH in 2015 that summarized restyles for 60 pediatric persons with a diagnosis of autoimmune or idiopathic neutropenia. The sensitivity and specificity o...
Would you place an IVC filter in a patient with an acute PE and an absolute contraindication for anticoagulation, but negative imaging for proximal DVT?
Good question. In this scenario, it would be reasonable to place an IVC filter. I would also image the IVC/pelvic veins in an effort to locate the origin of the embolus. A residual clot (depending on the size) may affect the approach to placement of IVC filter. Other variables include whether the PE...