[A melanesian smile ]. / Un sourire mélanésien

We have detected an ovalo-stomatocytosis in a military 24-years-old man. We have sent a blood specimen to haematology laboratory in Kremlin-Bicetre (France) to test ektacytometry. The test concludes to an asymptomatic Melanesian ovalocytosis.

[Extensive bone marrow necrosis and sickle cell disease]. / Complication rare de la drépanocytose: la nécrose médullaire étendue.

A 24-years old Gabonese women with sickle cell disease had a severe vaso-occlusive crisis, which was treated by exchange transfusion. Then, she developed an extended bone marrow necrosis and needed repeated blood transfusion. The aim of this article is to relate an rare sickle cell disease complication.

[Campylobacter fetus endocarditis: a case report]. / Endocardite à Campylobacter fetus: à propos d'un cas.

Campylobacter are known to be a cause of enteritidic infections but Campylobacter fetus is more often a cause of systemic infections, mainly in fragilized patients. We report a C. fetus endocarditis. The prognosis seemstobe improved by a prolonged betalactam antibiotic treatment.

[Fulminant Neisseria meningitidis B revealing multiple myeloma]. / Purpura fulminans à Neisseiria meningitidis B révélateur d'un myélome multiple.

We report the case of a 64 years-old woman, presenting in our hospital with purpura fulminans due to invasive meningococcal B infection. Biological exams led to the diagnosis of multiple myeloma. This case illustrates the importance of immunosuppression in this hematologic disease and allows us to insist on the prophylactic measures to be implemented.