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Abstract Normally the Hilary lymph nodes are too small to be visualized as separate hilar structures on the ordinary chest radiogram. The presence of hilar lymph nodes whether single or multiple, unilateral or bilateral represents a pathological state, Enlargement of the hilar lymph nodes occur in a wide variety of benign and malignant disease processes including infections (bacterial, viral , fungal), neoplastit (lymphoma, leukemia) or idiopathic conditions s.g. amyloidosis, sarcoidosis and hlatiocytosis,The inflammatory enlargement of hilar lymph nodes is well documented in primary tuberculosis. The hilar lymph nodes are almost always sufficiently enlarged to be demonstrable radiologically. The appearance of the hilar shadow in non-tuberculous lower respiratory tract infection is poorly documented. available reports gave conflicting results.The aim of this work was to study the hilar shadow with particular emphasis on its glandular component in non tuberculous lower respiratory tract infection in children.The study was carried out on 90 infants and children 6 months . |