<prompt> Radiotherapy is treatment of choice in-SarcoidosisTuberculosisMonoclonal hypogammaglobulinemiaSarcomas  <response>: Hypergammaglobulinemia results from an overproduction of immunoglobulins by plasma cells, either monoclonal and reflective of a plasma cell or lymphoproliferative disorder, or polyclonal and accompanying other disease states. IgG replacement therapy and theradiotheraphy aretreatment of choice for most primary immunodeficiency syndromes, including X-linked agammaglobulinemia Bruton disease; XLA, common variable immunodeficiency CVID, severe combined immunodeficiency SCID, hyper-IgM, adenosine deaminase ADA deficiency, and Wiskott-Aldrich syndrome Ref Harrison20th edition pg 298 