#SARCOIDOSIS
is a multisystem inflammatory disease of unknown etiology characterized by formation of non caseouting granulomas in affected organs predominintly in the lungs and intrathoracic lymph nodes.
#clinical presentation depends on the extent and severity of the disease .while 5% of cases may be assymptomatic others may show pulmonary ,dermatological,ophtholmological,neurological,cardiac,endocrine,and other manifestations
#diagnosis of sarcoidosis depends upon history ,clinical findings,x-ray chest pa-veiw which show staging0-4,hihgh resolution ct-scanning of the chest.to identify active alveolitis versus fibrosisgalium scanning may be benificial in some cases as wel .
#D/D INCLUD
*bronchogenic carcinoma,tuberclosis,lymphomas,lymphomatous granulomas,cat scatch disease and esinophilic granuloma
