Physician
Emergency Medicine
Dr. Roger A. Howell, MD
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Doctor Roger A. Howell, MD practices Emergency Medicine. Roger Howell is also a published MD. He has 100 publication published. The most recent publication is: MIRD pamphlet No. 17: the dosimetry of nonuniform activity distributions--radionuclide S values at the voxel level. Medical Internal Radiation Dose Committee. He accepts Medicare.
Publications
- High Levels of Dietary Supplement Vitamins A, C and E are Absorbed in the Small Intestine and Protect Nutrient Transport Against Chronic Gamma Irradiation.
- Low-dose energetic protons induce adaptive and bystander effects that protect human cells against DNA damage caused by a subsequent exposure to energetic iron ions.
- The advantage of antibody cocktails for targeted alpha therapy depends on specific activity.
- Redefining Relative Biological Effectiveness in the Context of the EQDX Formalism: Implications for Alpha-Particle Emitter Therapy.
- MIRD Pamphlet No. 24: Guidelines for Quantitative 131I SPECT in Dosimetry Applications.
- Accelerated partial-breast irradiation using intensity-modulated proton radiotherapy: do uncertainties outweigh potential benefits?
- Nontargeted Stressful Effects in Normal Human Fibroblast Cultures Exposed to Low Fluences of High Charge, High-Energy (HZE) Particles: Kinetics of Biologic Responses a...
- Survival of tumor and normal cells upon targeting with electron-emitting radionuclides.
- Technical Note: Contrast solution density and cross section errors in inhomogeneity-corrected dose calculation for breast balloon brachytherapy.
- Rapid culture confirmation of herpes simplex virus by a monoclonal antibody-based enzyme immunoassay.
- Diploid and hyperdiploid rat Schwann cell strains displaying negative autoregulation of growth in vitro and myelin sheath-formation in vivo.
- Effects of a 1.5-Tesla static magnetic field on spermatogenesis and embryogenesis in mice.
- Role of lipid-soluble complexes in targeted tumor therapy.
- [35S]cysteamine: facile synthesis, in vivo biokinetics, and subcellular distribution.
- Testicular and plasma ascorbic acid levels in mice following dietary intake: a high-performance liquid chromatographic analysis.
- Cytotoxicity of some indium radiopharmaceuticals in mouse testes.
- Bis-benzimidazole dyes, Hoechst 33258 and Hoechst 33342: radioiodination, facile purification and subcellular distribution.
- Modeling radiation dose and effects from internal emitters in nuclear medicine: from the whole body to individual cells.
- In-vivo radiotoxicity of DNA-incorporated 125I compared with that of densely ionising alpha-particles.
- Calculation of equivalent dose for Auger electron emitting radionuclides distributed in human organs.
- [125I/127I]iodoHoechst 33342: synthesis, DNA binding, and biodistribution.
- Radioprotection by DMSO against the biological effects of incorporated radionuclides in vivo--Comparison with other radioprotectors and evidence for indirect action of...
- Antioxidant effects of vitamin C in mice following X-irradiation.
- Generalized approach to absorbed dose calculations for dynamic tumor and organ masses.
- Biologic dosimetry of bone marrow: induction of micronuclei in reticulocytes after exposure to 32P and 90Y.
- Radiotoxicity of 125I-iododeoxyuridine in pre-implantation mouse embryos.
- Kinetics and dosimetry of thallium-201 in human testes.
- Induction of sperm head abnormalities by incorporated radionuclides: Dependence on subcellular distribution, type of radiation, dose rate, and presence of radioprotect...
- Proliferation and the advantage of longer-lived radionuclides in radioimmunotherapy.
- Meeting overview.
- Radiation spectra for Auger-electron emitting radionuclides: report No. 2 of AAPM Nuclear Medicine Task Group No. 6.
- Absorbed dose calculations for rapidly growing tumors.
- Radioprotection against biological effects of internal radionuclides in vivo by S-(2-aminoethyl)isothiouronium bromide hydrobromide (AET).
- Relative biological effectiveness of 99mTc radiopharmaceuticals.
- Biological consequence of nuclear versus cytoplasmic decays of 125I: cysteamine as a radioprotector against Auger cascades in vivo.
- Time-dose-fractionation in radioimmunotherapy: implications for selecting radionuclides.
- Vitamin C as a radioprotector against iodine-131 in vivo.
- The MIRD Schema: from organ to cellular dimensions.
- Dosimetry of Auger-electron-emitting radionuclides: report no. 3 of AAPM Nuclear Medicine Task Group No. 6.
- Design and performance characteristics of an experiMental cesium-137 irradiator to simulate internal radionuclide dose rate patterns.
- Biological dosimetry of bone marrow for incorporated yttrium-90.
- Radiotoxicity of some iodine-123, iodine-125 and iodine-131-labeled compounds in mouse testes: implications for radiopharmaceutical design.
- Marrow toxicity of 33P-versus 32P-orthophosphate: implications for therapy of bone Pain and bone metastases.
- Considerations in the selection of radiopharmaceuticals for palliation of bone Pain from metastatic osseous lesions.
- Vitamins as radioprotectors in vivo. I. Protection by vitamin C against internal radionuclides in mouse testes: implications to the mechanism of damage caused by the A...
- On the equivalent dose for Auger electron emitters.
- S values for radionuclides localized within the skeleton.
- Radiation protection by cysteamine against the lethal effects of intracellularly localized Auger electron, alpha- and beta-particle emitting radionuclides.
- The question of relative biological effectiveness and quality factor for auger emitters incorporated into proliferating mammalian cells.
- Application of the linear-quadratic model to radioimmunotherapy: further support for the advantage of longer-lived radionuclides.
- Vitamins as radioprotectors in vivo. II. Protection by vitamin A and soybean oil against radiation damage caused by internal radionuclides.
- Macroscopic dosimetry for radioimmunotherapy: nonuniform activity distributions in solid tumors.
- Relative biological effectiveness of alpha-particle emitters in vivo at low doses.
- Cellular dosimetry: absorbed fractions for monoenergetic electron and alpha particle sources and S-values for radionuclides uniformly distributed in different cell com...
- Biological effect of lead-212 localized in the nucleus of mammalian cells: role of recoil energy in the radiotoxicity of internal alpha-particle emitters.
- Multicellular dosimetry for micrometastases: Dependence of self-dose versus cross-dose to cell nuclei on type and energy of radiation and subcellular distribution of r...
- MIRD pamphlet no. 16: Techniques for quantitative radiopharmaceutical biodistribution data acquisition and analysis for use in human radiation dose estimates.
- Radiotoxicity of platinum-195m-labeled trans-platinum (II) in mammalian cells.
- Radioprotection against lethal damage caused by chronic irradiation with radionuclides in vitro.
- Challenges and progress in predicting biological responses to incorporated radioactivity.
- Bystander responses in three-dimensional cultures containing radiolabelled and unlabelled human cells.
- Marrow-sparing effects of 117mSn(4+)diethylenetriaminepentaacetic acid for radionuclide therapy of bone cancer.
- Free radical-initiated and gap junction-mediated bystander effect due to nonuniform distribution of incorporated radioactivity in a three-dimensional tissue culture mo...
- Radiotoxicity of gadolinium-148 and radium-223 in mouse testes: relative biological effectiveness of alpha-particle emitters in vivo.
- Protection by DMSO against cell death caused by intracellularly localized iodine-125, iodine-131 and polonium-210.
- Evidence for pronounced bystander effects caused by nonuniform distributions of radioactivity using a novel three-dimensional tissue culture model.
- MIRD pamphlet No. 17: the dosimetry of nonuniform activity distributions--radionuclide S values at the voxel level. Medical Internal Radiation Dose Committee.
- The MIRD perspective 1999. Medical Internal Radiation Dose Committee.
- Flow cytometry-assisted Monte Carlo simulation predicts clonogenic survival of cell populations with lognormal distributions of radiopharmaceuticals and anticancer Drugs.
- Monte Carlo simulation of irradiation and killing in three-dimensional cell populations with lognormal cellular uptake of radioactivity.
- Alpha particles induce apoptosis through the sphingomyelin pathway.
- Lognormal distribution of cellular uptake of radioactivity: Monte Carlo simulation of irradiation and cell killing in 3-dimensional populations in carbon scaffolds.
- Patient exposures and consequent risks from nuclear medicine procedures.
- Changes in lognormal shape parameter guide design of patient-specific radiochemotherapy cocktails.
- Managing radiation use in medical imaging: a multifaceted challenge.
- Kassis receives Loevinger-Berman award.
- Marked changes in endogenous antioxidant expression precede vitamin A-, C-, and E-protectable, radiation-induced reductions in small intestinal nutrient transport.
- Investigation of adaptive responses in bystander cells in 3D cultures containing tritium-labeled and unlabeled normal human fibroblasts.
- An adoptive transfer method to detect low-dose radiation-induced bystander effects in vivo.
- MIRD Pamphlet No. 22 (abridged): radiobiology and dosimetry of alpha-particle emitters for targeted radionuclide therapy.
- Radiation-induced reductions in transporter mRNA levels parallel reductions in intestinal sugar transport.
- Kilovoltage stereotactic radiosurgery for age-related macular degeneration: assessment of optic nerve dose and patient effective dose.
- MIRD commentary: proposed name for a dosimetry unit applicable to deterministic biological effects--the barendsen (Bd).
- Dosimetry characterization of a multibeam radiotherapy treatment for age-related macular degeneration.
- Auger processes in the 21st century.
- Pharmacokinetic analysis of polyamide nucleic-acid-cell penetrating peptide conjugates targeted against HIV-1 transactivation response element.
- Lognormal distribution of cellular uptake of radioactivity: statistical analysis of alpha-particle track autoradiography.
- Biological response to nonuniform distributions of (210)Po in multicellular clusters.
- Concomitant quantification of targeted Drug delivery and biological response in individual cells.
- Proteome analysis of proliferative response of bystander cells adjacent to cells exposed to ionizing radiation.
- Elevated blood lead concentrations and vitamin D deficiency in winter and summer in young urban children.
- Does metabolic radiolabeling stimulate the Stress response? Gene expression profiling reveals differential cellular responses to internal beta vs. external gamma radia...
- Flow cytometry as a strategy to study radiation-induced bystander effects in co-culture systems.
- Bystander effects caused by nonuniform distributions of DNA-incorporated (125)I.
- Adaptive responses to low-dose/low-dose-rate gamma rays in normal human fibroblasts: the role of growth architecture and oxidative metabolism.
- Log normal distribution of cellular uptake of radioactivity: implications for biologic responses to radiopharmaceuticals.
- Bystander cell proliferation is modulated by the number of adjacent cells that were exposed to ionizing radiation.
- Modeling multicellular response to nonuniform distributions of radioactivity: differences in cellular response to self-dose and cross-dose.
- Characterization of cell-cycle progression and growth of WB-F344 normal rat liver epithelial cells following gamma-ray exposure.
Schools
Kansas City College of Osteopathic Medicine
Procedures Preformed
- Psychiatric Medication Therapy
Conditions Treated
- Adjustment Disorder
- Alcohol-Induced Mental Disorders
- Alcoholism (Alcohol Dependence)
- Anxiety
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Doctors Specialties
- Emergency Medicine
- Psychiatry
Accepted Insurances
Education
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Kansas City University of Medicine and Biosciences
Drug Facts
| NPI NUMBER | 1285747287 | |
| NPPES Provider LastName | HOWELL | |
| NPPES Provider FirstName | ROGER | |
| NPPES Provider ZIPCode | 339015864 | |
| NPPES Provider State | FL | |
| Specialty Description | Emergency Medicine | |
| Total Claim Count | 335.0 | |
| Distinct Opioid Count | 3.0 | |
| Opioid Claim Count | 62.0 | |
| Percent Opioid Claims | 18.51 |
Helpful Reviews
Medicare Facts
| National Provider Identifier [NPI] | 1285747287 |
| Last Name Of The Provider | HOWELL |
| First Name Of The Provider | ROGER |
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