Extranodal oral non-Hodgkin's lymphomas. A retrospective study of 40 cases in Argentina.
A retrospective study was conducted of extranodal oral Non-Hodgkin's Lymphomas diagnosed at the Surgical Pathology Laboratory of the School of Dentistry at Buenos Aires University, Argentina, between 1985 and 2004. The 40 cases found represent 0.2% of the oral biopsies diagnosed during that time and 4.6% of malignant neoplasias. Overall mean age of patients was 49.4 years, and frequency was greater in males. 80% affected soft tissues. Prevalent location was gingival, followed by palate. Intraosseous cases were more frequent in mandible (75%) than in upper maxilla. 100% of the cases were phenotype B, with a higher frequency of high-grade aggressiveness. The most common histological type was Diffuse Large Cell Lymphoma. 60% of the Plasmablastic Lymphomas in the series came from HIV+ patients. Evolution time prior to consultation was 1 to 3 months in 57.7% of the cases.
Keszler
Alicia
A
Cátedra de Anatomía Patológica, Facultad de Odontología, Universidad de Buenos Aires, Argentina. akeszler@hotmail.com
Piloni
María J
MJ
Paparella
María L
ML
Soler
Marcela de Dios
Mde D
Ron
Patricia Cabrera
PC
Narbaitz
Marina
M
D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D000369:Aged, 80 and over; D001118:Argentina; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007573:Jaw Neoplasms / Q000473:pathology*; D016483:Lymphoma, AIDS-Related / Q000473:pathology; D016393:Lymphoma, B-Cell / Q000473:pathology*; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009062:Mouth Neoplasms / Q000473:pathology*; D012189:Retrospective Studies; D017678:Sex Distribution; D055815:Young Adult