Monofocal langerhans cell histiocytosis in child: case report

Langerhans cell histiocytosis is a rare disease progressing by flares which can affect both sexes at any age. The lesions can be localiseted or multifocal; the organs most frequently affected are the bone, the lung, the skin and the endocrine system. We report a case of a young 13-year-old child with single focal clavicular langerhansian histiocytosis kept under surveillance with good clinical and radiological progress.