Simulation of clinical scintigrams for nuclear medicine imaging devices.
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Computer Simulation↗
Biomedical subjects
R E Dye
Publications and source records attributed to R E Dye.
Precision lead collimator construction.
A novel fabrication technique is described based on stacking accurately drilled lead discs to form collimators for rectilinear scanning. This technique has proved successful for the construction of collimators across a wide range of imaging performance.
Equipment Design↗
Use of two ionisation chambers with a commercial isotope assay calibrator.
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Calibration↗
Syringe shields for nuclear medicine.
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Humans↗
An anthropomorphic phantom for evaluation of radiosotope bone imaging of the lumbar spine.
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Diphosphonates↗
Cryptosporidiosis in a patient with hemophilia, common variable hypogammaglobulinemia, and the acquired immunodeficiency syndrome.
A 36-year-old man had chronic, debilitating diarrhea due to cryptosporidiosis. This patient had longstanding common variable hypogammaglobulinemia and recurrent bacterial infections. Immunologic evaluation after discovery of Cryptosporidium showed lymphopenia with persistently reduced numbers of helper/inducer cells (OKT-4), variable numbers of suppressor/cytotoxic cells (OKT-8), OKT-4/OKT-8 ratio of 0.09, and increased levels of serum alpha-interferon, all of which describe the acquired immunodeficiency syndrome. Oocysts of Cryptosporidium were found in feces from the patient's cat, thus identifying a possible source of his infection. The patient had disseminated candidiasis, cytomegalovirus pneumonia, and cryptosporidiosis when he died.
Adult↗