“…The condition has many synonyms, including angiomatous lymphoid hamartoma2 and giant lymph node hyperplasia of the mediastinum.3 The aetiology is unknown, but is presumed to be infectious or inflammatory, and the lymph node lesions always behave as benign tumours. 4 Keller, Hochholzer and Castleman3 analysed 81 cases and divided the lesions into two types: the hyaline-vascular-in which systemic complications are not usually observed-and the plasma cell variant, which is frequently accompanied by fever, anaemia and hyperglobulinaemia. In the latter type, complete surgical resection of the tumour is followed by resolution of all the systemic manifestations.…”