sinus histiocytosis with massive cervical lymphadenopathy ( shml ) was originally described in 1969 as a benign clinicopathologic entity characterized by massive bilateral cervical lymphadenopathy , fever , leukocytosis , elevated esr , and hypergammaglobulinemia , usually occurring within the first two decades of life .
C0019625
sinus histiocytosis with massive
C0015967
fever