Chest radiographs and TB

Plan of this sessionNomal chest x-rayNormal chest x-ray looking abnormalPathological chest x-rayAbnormal chest x-ray looking normalTB mimics/ differentialsExercise

Normal chest x-ray

View of the chest x-rayPhase of respirationExposure

Normal chest x-ray

What findings we will look for?

Name, DateOrientation Position Lung fieldsLung apicesTracheaHeart Hila Soft tissueBonesDiaphragmAngle

How to interpret a chest X-ray

Lungs fields are clear on both sides.Trachea is centrally placed.Both domes of the diaphragm are normal in position.Costophrenic and cardiophrenic angles are clear on both sides.The heart is normal in transverse diameter.Bony configaration is normal.

Normal chest x-ray but looking abnormal

Common X-Ray presentation in TB

Pulmonary Patchy opacityConsolidationHilar lyphadenopathyCavitary lesionCollapseFibrosisCalcificationMilliary shadowOthers

Extra pulmonaryPleural effusionEncysted pleural effusionEmpyema Potts disease/Bone TBPneumothoraxHydropneumothoraxNodule Cardiomegaly Pericardial calcificationOthers

Radiological feature of active TB

Presence of pulmonary cavityPleural effusionPneumothorax Milliary TBAppearance of new lesion in serial films or increase in the size of lesions

Radiological feature of inactive TB

Primary focus/calcified granulomaCoin lesion(?)Fibrosis

Pathological x-ray

Apparently normal

TB mimics/ Differentials

10

Exercise

13

19

8

Thank you

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