[Quality insurance system establishment in the management of home-based chemotherapy: example of hospital at home "Assistance publique-Hôpitaux de Paris"].

While home-based chemotherapy improves comfort and quality of life of patients, quality and safety conditions must be equivalent to hospital settings. In addition, organization is much more complex. At the hospital at home "Assistance publique-Hôpitaux de Paris", prescribers are potentially spread across 21 health facilities.

Dynamics of aboveground carbon stocks in a selectively logged tropical forest.

The expansion of selective logging in tropical forests may be an important source of global carbon emissions. However, the effects of logging practices on the carbon cycle have never been quantified over long periods of time. We followed the fate of more than 60 000 tropical trees over 23 years to assess changes in aboveground carbon stocks in 48 1.

[Treatment of polycythemia. II.--Comparison of hydroxyurea with pipobroman in 294 patients less than 65 years of age].

Aims: To compare by a prospective study in low risk polycythemia vera (PV) patients alone two drugs: hydroxyurea and pipobroman. Toxicity, efficiency, and leukemogenic potential were studied.

Patients: 294 patients with a documented PV, aged less than 65 years, have been included since 1980 in a prospective study comparing hydroxyurea and pipobroman.

Risk of leukaemia, carcinoma, and myelofibrosis in 32P- or chemotherapy-treated patients with polycythaemia vera: a prospective analysis of 682 cases. The "French Cooperative Group for the Study of Polycythaemias".

An analysis of the risk of progression towards leukemia, carcinoma and myelofibrosis was performed in 93 patients treated by 32P alone (PVSG protocols) since 1970-1979, 395 patients over the age of 65 years treated by 32P with or without maintenance therapy using hydroxyurea (French protocol) since 1980-1994, and 202 patients under the age of 65 treated by either hydroxyurea or pipobroman since 1980. The risk of leukemia, or myelodysplasia, or lymphoma in the 32P-treated patients was 10% at the 10th year, but increase after that time to reach a value of about 30% at the 20th year, in the surviving case. This risk was not dose-related.

Profound and possibly primary "idiopathic CD4+ T lymphocytopenia" in a patient with fungal infections.

A profound and long-lasting reduction in circulating CD4+ T lymphocytes (< 80/microliters) was found in a 37-year-old man (without known risk factors for HIV infection) presenting with recurrent oral candidiasis who subsequently developed cryptococcal meningitis. Infection with HIV was ruled out by serological and virological studies. In vitro and in vivo cell-mediated immunity was severely impaired.