title: [Sarcoidosis with hematologic involvement and hypogammaglobulinemia].
abstract: BACKGROUND
  Hematological changes are uncommon in childhood sarcoidosis.
  
  
  METHODS
  Case 1. This patient developed severe hemolytic anemia associated with splenomegaly at the age of 11 months. A second episode of hemolysis was seen at the age of 6 years; it was associated with thrombocytopenia and hypogammaglobulinemia. A partial splenectomy permitted histological diagnosis of sarcoidosis that was confirmed by elevated angiotensin-converting enzyme level, and subsequently developement of pulmonary involvement. Case 2. This boy suffered from autoimmune hemolytic anemia and thrombocytopenia associated with splenomegaly at the age of 3 years. At the age of 7 years, he had splenomegaly, enlarged cervical and lomboaortic lymph nodes and hypogammaglobulinemia. Diagnosis of sarcoidosis was made from lymph nodes and spleen biopsies after splenectomy; the patient had increased angiotensin-converting enzyme concentration, and subsequently developed specific renal involvement.
  
  
  CONCLUSIONS
  Association of hemolytic anemia, thrombocytopenia, hypogammaglobulinemia and splenomegaly should suggest the diagnosis of sarcoidosis and could be considered as part of the disease spectrum.
authors.affiliation: Département de pédiatrie, hôpital de Bicêtre, Le Kremlin-Bicêtre, France.
authors.forename: B
authors.initials: B
authors.lastname: Bader-Meunier
authors.forename: M
authors.initials: M
authors.lastname: Fabre
authors.forename: F
authors.initials: F
authors.lastname: Gauthier
authors.forename: G
authors.initials: G
authors.lastname: Tchernia
authors.forename: J
authors.initials: J
authors.lastname: Cartron
authors.forename: M
authors.initials: M
authors.lastname: Jullien
authors.forename: J P
authors.initials: JP
authors.lastname: Dommergues
mesh_terms: D000361:Agammaglobulinemia / Q000209:etiology*; D000743:Anemia, Hemolytic / Q000209:etiology*; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008297:Male; D012507:Sarcoidosis / Q000150:complications* / Q000175:diagnosis; D013156:Splenectomy; D013163:Splenomegaly / Q000209:etiology*; D013921:Thrombocytopenia / Q000209:etiology*