[Early congenital syphilis (7 cases observed in Bangui Hospital Central African Empire) (author's transl)].

In an infant of good condition, skin changes, anemia, hepato-splenomegalia and more over radiological osseous changes are symptoms of great value which are to be confirmed by a serological test of the baby and its mother. Treatment is very effective but it would be better to protect the foetus by an early detection and treatment of the syphilitic pregnant woman.

[Bessel Hagen's deformity, Madelung's deformity: cosmopolitan diseases (author's transl)].

These two deformities are rare and the 8 reported cases give evidence of the cosmopolitan feature of these malformations (Madagascar, Ivory Coast, Central African Empire, Djibouti).

[A case of visceral leishmaniasis with a difficult parasitological diagnosis and unexpected complications (author's transl)].

Report of a typical syndrome of which the leishmanial origin has been difficult to prove. The decrease of cellular immunity may be responsible for the pulmonary tuberculosis and Hbs hepatitis which occured after the successful treatment of the leishmaniasis with Glucantime and Lomidine.

[Sudanese kala-azar in West Africa (author's transl)].

Report of a case of visceral and cutaneous leishmaniasis in an european boy living in Upper-Volta and whose brother had a merely cutaneous form of the disease. Comments on the role of personnal susceptibility, environment and arthropod vectors. In each given area would it exist a special type of leishmania related to the local vectors and which would give various clinical forms according to a second degree ecological system associating man and parasite.

[Patho-physiology of anemia in kala-azar (author's transl)].

In kala-azar, anemia is caused by an hemolysis induced by an activation of the complement by antigen-antibodies complexes in which the antigen is wether the parasite itself or a messenger from it.