[Bone marrow monosomy 7 in children].

Three new cases of monosomy 7 are described. Two children, before onset of overt leukemia, had a preleukemic state: one with thrombopathy and myelodysplastic syndrome, the other with a moderate splenomegaly and an absolute monocytosis. In these two cases the leukemia was chemoresistant.

[A rare cause of hydrocephalus in an infant: chronic vitamin A poisoning].

A case of chronic vitamin A intoxication is reported in an infant under 6 months of age. The features included hydrocephalus, usually described in acute hypervitaminosis A and the other cutaneous, hepatic and skeletal signs observed in chronic intoxication.

[Staphylococcal toxic shock].

The authors report the case of a 5 year-old child who, after a sore throat, developed gastrointestinal problems, high fever, scarlatinaform rash, conjunctivitis, shock with renal failure and involvement of liver, pancreas and muscles. No infectious site was detected. However, he had positive blood culture for staphylococcus aureus.