Radiopharmaceuticals
Radiopharmaceuticals In nuclear medicine, radionuclides are rarely used in their simplest chemical form. Instead, they are incorporated in a variety of chemical compounds that may be of interest because of…
Production of Radionuclides
Production of Radionuclides In 1896, Henry Becquerel discovered that uranium was radioactive. Soon after, other naturally occurring radionuclides such as radium and polonium were discovered. Most naturally occurring radionuclides have…
Leukemia Cutis/Aleukemic Leukemia Cutis/Myeloid Sarcoma
Leukemia Cutis/Aleukemic Leukemia Cutis/Myeloid Sarcoma Kari E. Sufficool John L. Frater INTRODUCTION Acute leukemia may present in a variety of extramedullary tissues with or without bone marrow disease. Though rare,…
Radioactivity: Law of Decay, Half-Life, and Statistics
Radioactivity: Law of Decay, Half-Life, and Statistics Radionuclides are unstable and decay to other nuclides by the processes discussed previously. At what rates do radionuclides decay? Do all radionuclides decay…
Nuclides and Radioactive Processes
Nuclides and Radioactive Processes In the previous chapter, we discussed the structure of the atom and pointed out the importance of electrons and their interaction. In this chapter, we discuss…
Cutaneous Involvement by Precursor B- and T-Cell Neoplasms
Cutaneous Involvement by Precursor B- and T-Cell Neoplasms Alejandro A. Gru DEFINITION Acute lymphoblastic leukemias/lymphomas (ALLs) are neoplasms of precursor lymphoid cells (lymphoblasts), committed to the B- or T-cell lineage…
Lymphomatoid Contact Dermatitis
Lymphomatoid Contact Dermatitis Jonathan G. Bonchak Alejandro A. Gru Matthew J. Zirwas DEFINITION Lymphomatoid contact dermatitis (LCD) is a chronic, persistent allergic contact dermatitis that elicits a robust lymphocytic response…
Basic Review
Basic Review From a physicist’s point of view, nature consists mainly of matter and the forces governing the behavior of matter. This chapter reviews briefly some aspects of the atomic…
Cutaneous Plasmacytosis
Cutaneous Plasmacytosis M. Yadira Hurley Angela M. Sutton INTRODUCTION Cutaneous plasmacytosis is a rare entity consisting of a dermal infiltration of polyclonal plasma cells, with or without systemic manifestations including…
Lymphoid Proliferations in Association With Viral and Bacterial Infections
Lymphoid Proliferations in Association With Viral and Bacterial Infections Priyadharsini Nagarajan INTRODUCTION Host immune response to combat cutaneous infections depends primarily on the type of organism. For example, in case…
