title: HIV infection masquerading as monoclonal gammopathy of undetermined significance.
mesh_terms: D017088:AIDS-Related Opportunistic Infections / Q000150:complications; D000163:Acquired Immunodeficiency Syndrome / Q000175:diagnosis*; D003937:Diagnosis, Differential; D017809:Fatal Outcome; D015658:HIV Infections / Q000175:diagnosis*; D006801:Humans; D007074:Immunoglobulin G / Q000097:blood; D008297:Male; D008875:Middle Aged; D010265:Paraproteinemias / Q000150:complications / Q000175:diagnosis*; D011020:Pneumonia, Pneumocystis / Q000150:complications
chemical_list: D007074:Immunoglobulin G