title: RETICULUM-CELL SARCOMA AND RHEUMATOID ARTHRITIS IN A PATIENT WITH XY/XXY/XXXY KLINEFELTER'S SYNDROME AND NORMAL INTELLIGENCE.
mesh_terms: D001168:Arthritis; D001172:Arthritis, Rheumatoid; D002869:Chromosome Aberrations; D002875:Chromosomes; D005826:Genetics, Medical; D006801:Humans; D007360:Intelligence; D007713:Klinefelter Syndrome; D008207:Lymphatic Metastasis; D016403:Lymphoma, Large B-Cell, Diffuse; D008228:Lymphoma, Non-Hodgkin; D009030:Mosaicism; D010336:Pathology; D012509:Sarcoma
keywords: ARTHRITIS, RHEUMATOID; CHROMOSOMES; GENETICS, HUMAN; INTELLIGENCE; KLINEFELTER'S SYNDROME; LYMPHATIC METASTASIS; MOSAICISM; PATHOLOGY; SARCOMA, RETICULUM CELL