[Transitory hypersecretion of light chains (IgG k) of probable para-infectious nature in childhood. Description of 2 cases]

The idiopathic monoclonal gammapathy is frequent in adult. In this age the gammopathy is persistent due to either malignant disorders or so called benign monoclonal gammopathy. This condition in infants and children is uncommon, but not exceptional and is usually of a transient nature. We describe two cases during infectious diseases.