Pediatric Hematology/Oncology
Clinical discussions on pediatric blood disorders, childhood cancers, and specialized treatment protocols.
Recent Discussions
What are your top takeaways from ASH 2022?
1. Late Breaking Abstract (LBA-1): Consolidation Therapy with Blinatumomab Improves Overall Survival in Newly Diagnosed Adult Patients with B-Lineage Acute Lymphoblastic Leukemia in Measurable Residual Disease Negative Remission: Results from the ECOG-ACRIN E1910 Randomized Phase III National Cooper...
How do you approach low to moderate titer of APLS when working up unprovoked DVT if it is persistent on repeat testing?
I have a low threshold to recommend long term (indefinite) anticoagulation for unprovoked thrombosis, regardless of whether there is positive APLS testing. I do agree with Dr. @Dr. First Last, however, that shared decision-making is important when committing a patient to prolonged anticoagulation, a...
Are there any possible scenarios where you would do phlebotomies for heterozygous hemochromatosis?
The answer is yes but unusual. Occasionally, a heterozygote or double heterozygote will be weakly phenotypically positive. If the ferritin and TSAT (on overnight fasting sample) are high, I will. I prefer that blood donation be used but if not an option, I will take it. The iron parameters must be...
How do you approach hormone replacement therapy for premenopausal patients following pelvic radiation therapy?
Most patients who undergo pelvic radiation will become menopausal. Physiologically, the outcome is similar to surgical menopause because sufficient doses of radiation result in complete loss of ovarian function. In contrast, after natural menopause, the ovaries continue some types of endocrine funct...
What is the role of local control +/- whole lung irradiation in a patient with relapsed/refractory Ewing sarcoma to the hilum plus multiple lung nodules?
I would boost residual thoracic disease to at least the usual Ewings gross disease dose of 55.8 (total, including WLI dose). Doses in this range are well known to be safe in the thorax and this multiply relapsed disease is likely to be more treatment refractory than primary disease. SBRT boost seems...
How should elevated PT of unclear etiology and significance be evaluated?
Mild prolongation of the prothrombin time (PT) may represent a normal ‘outlier’. If there is no obvious explanation for a moderate to marked prolongation of the PT (for example, anticoagulation therapy effect, liver disease, nutritional deficiency like vitamin K deficiency. then the next step is to ...
How would you approach a low to moderate titer of one of the APLS antibodies in a patient with a strong family history but no personal history of thrombosis?
I would repeat these tests in about 12 weeks or so. Certain infections can transiently induce positive antiphospholipid antibodies, usually non-pathogenic, with certain exceptions.
Do you typically see peripheral neuropathy in patients with castleman syndrome?
Castleman's is a rare disorder. It has been associated with POEMS in which severe neuropathy is part of the syndrome, but is not as common an association as myeloma. But neurologists only see the patients who have neurologic symptoms. My brief look at review articles on Castleman's suggests that POE...
Do you switch from imatinib to another TKI in patients with chronic phase CML who develop renal insufficiency?
Imatinib has been associated with a decline in GFR. It is not certain (and probably doubtful) that this represents kidney damage. If no other causes can be identified, a change could be appropriate. Bosutinib has been associated with a similar decline so nilotinib or dasatinib might be better option...
When would you consider tapering glucocorticoids in a patient with ICI-associated myocarditis?
Once troponins start to decrease, I start the steroid taper and follow troponin levels. If they rise, I slow the taper. I also get serial ECGs, esp if there were arrhythmia manifestations of myocarditis. Don't forget to assess for the need for PJP prophylaxis with Bactrim or pentamidine and PPI sinc...