basic chest radiology 3
DESCRIPTION
BASIC CHEST RADIOLOGY 3. Diffuse disease of the lung is most marked in the mid and lower zones, as this is where the x - rays are going through most lung volume. Some diseases have an upper lobe preponderance. TB RADIATION-CONFINED TO SIDE OD RADIATION FIELD - PowerPoint PPT PresentationTRANSCRIPT
• Diffuse disease of the lung is most marked in the mid and lower zones, as this is where the x- rays are going through most lung volume.
• Some diseases have an upper lobe preponderance.
TBRADIATION-CONFINED TO SIDE OD RADIATION FIELDALVEOLITIS-EXTRINSIC ALLERGIC MORE MID ZONEANKYLOSING SPONDYLITISSARCOIDOSISSILICOSIS-TOGETHER WITH PMFHISTIOCYTOSIS
WIDESPREAD INTERSTITIAL SHADOWING IS USUALLY FIBROSIS and associated with volume loss.Main reason for normal/large volume with fibrosis is usually COPDA few rare causes are HISTIOCYTOSIS,NEUROFIBROMATOSIS, AND LLYMPHANGIOMYOMATOSIS
OTHER CAUSESCOLLAGEN VASCULAR DALVEOLITIS UIPRADIATIONDRUGSSICKLE, SCLERODERMA
ANTERIOR MEDIASTINAL MASSALWAYS INCLUDE TUMOUR AND ANEURYSM IN ALL DIFFERENTIAL OF MEDIASTINAL MASS.THEN THINK ANANTOMICALLYTUMOURTERRATODERMOID-ALSO SEMINOMATHYMIC TUMOURTHYROID