title: Lymphomas in Iran.
abstract: BACKGROUND
  The present study aimed at examining the lymphomas in Iran.
  
  
  METHODS
  This study was conducted in 1994 on patients' specimens who were referred to our centers during 1981-1994. Using the histochemical methods, the immunohistochemical markers were used to examine the biopsied specimens of 434 patients with non-Hodgkin's and Hodgkin's lymphomas. The patients were classified according to the updated Kiel and Rye classifications, respectively.
  
  
  RESULTS
  Out of the 385 cases that were diagnosed as lymphoma, 277 had non-Hodgkin's and 108 had Hodgkin's lymphomas. Sixty-four point five percent of those with non-Hodgkin's lymphoma had the B type disease; 7.5% had the T-type; and the remaining 28% had Hodgkin's lymphoma. In the present study, most (48%) patients with Hodgkin's lymphoma had mixed cellularity whereas in western countries the most common type is reported to be nodular sclerosis (69.4%).
  
  
  CONCLUSIONS
  The comparison made between the findings of this study and those of western countries indicates that high-grade non-Hodgkin's lymphomas are more prevalent in Iran.
authors.affiliation: Department of Pathology, Christian Alberts University, Kiel, Germany. mbahremani@yahoo.com
authors.forename: Mohammad
authors.initials: M
authors.lastname: Hashemi-Bahremani
authors.forename: Mohammad-Reza
authors.initials: MR
authors.lastname: Parwaresch
authors.forename: Hamid
authors.initials: H
authors.lastname: Tabrizchi
authors.forename: Rajendera-Kumar
authors.initials: RK
authors.lastname: Gupta
authors.forename: Mohammad-Reza
authors.initials: MR
authors.lastname: Raffii
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D005060:Europe / Q000453:epidemiology; D006689:Hodgkin Disease / Q000145:classification* / Q000453:epidemiology / Q000473:pathology*; D006801:Humans; D015994:Incidence; D007223:Infant; D007492:Iran / Q000453:epidemiology; D008228:Lymphoma, Non-Hodgkin / Q000145:classification* / Q000453:epidemiology / Q000473:pathology*; D008875:Middle Aged; D014481:United States / Q000453:epidemiology