%0 Journal Article %T Infection by Cryptosporidium sp. in immunocompromised haematological patients %A Chieffi %A Pedro Paulo %A Paschoalotti %A Maria Aparecida %A Vergueiro %A Carmen S¨ªlvia %A Chiattone %A Carlos S¨¦rgio %J Revista do Instituto de Medicina Tropical de S£¿o Paulo %D 2005 %I Instituto de Medicina Tropical %R 10.1590/S0036-46652005000500011 %X the frequency of intestinal infection by cryptosporidium sp. was determined in 60 patients, attended at the haematological and haemotherapeutical service of "santa casa de miseric¨®rdia" of s£¿o paulo, suffering lymphoproliferative diseases (group 1). as control group (group 2) 59 persons without haematological diseases, but with the same life time and living at the same place of that of haematological patients, had been examined. the stool parasitological tests performed disclosed cryptosporidium sp. oocysts in six (10%) individuals belonging to group 1, whereas, in group 2, nobody showed infection by this coccidian. among the patients infected by cryptosporidium sp. only one showed diarrhoeal faeces. %K cryptosporidium sp. %K cryptosporidiosis %K lymphoproliferative disease %K immunocompromised patient. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0036-46652005000500011&lng=en&nrm=iso&tlng=en