[Current therapeutic advances in the treatment of non-Hodgkin lymphoma].

Lymphoma is a lymphoid cell cancer that originates in lymphoid tissues. Non Hodgkin (NHL) type represents 90% of cases. In Mexico, NHL constitutes the third most common cancer in males and the sixth among females.

[Prevalence of human immunodeficiency virus (HIV) infection and its relationship with other sexually transmitted diseases in a group of prostitutes from Huixtla, Chiapas].

We investigated the HIV prevalence rate in 106 female prostitutes residing in Huixtla, State of Chiapas, which is a small town in the southeastern part of Mexico, from February of 1989 to January of 1990. We used an immunoenzymatic method (Serodia). The mean age was 35 years ranging from 17 to 43.

[Capillary hemoglobin as a predictor of the response to the oral intake of iron in children with iron deficiency].

A study was made to determine the prevalence of anemia in apparently healthy children of both sexes aged 6 to 24 months attending the preventive medicine service in a general hospital of the Mexican Social Security Institute in the city of Tapachula, State of Chiapas. One hundred children were studied with a capillary hemoglobin (Hb) determination: 91 had anemia (Hb less than or equal to 11 g/dL). Sixty eight of the anemic children received oral iron for 3 months (3 mg/kg/day): their Hb before and after iron therapy were compared.

Lymphocyte subsets in patients with aplastic anemia.

Lymphocyte subsets were enumerated in a group of 31 patients with aplastic anemia. Abnormal numbers of immunoregulatory T-cells were found in some patients: 26% of them showed a reversed helper/suppressor ratio. Seven of 18 patients showed significantly decreased proliferation in response to PWM; this hyporesponsiveness was present in 75% of patients with a reversed helper/suppressor ratio and in 10% of those with a normal helper/suppressor ratio (R = 0.