![](../images/ball_good.gif)
Introduction and Aim of work
![](../images/ball_good.gif)
Review of literature
![](../images/ball_good.gif)
Pathogenesis of Fever
![](../images/ball_good.gif)
Pyrexia of Unknown origin
![](../images/ball_good.gif)
Aetiological Classification of P. U . O
![](../images/ball_good.gif)
( I ) Infections
![](../images/ball_good.gif)
( II ) Neoplastic Diseases
![](../images/ball_good.gif)
( III ) Collagen- Vascular Diseases
![](../images/ball_good.gif)
( VI )Miscellaneous Causes of P .U.O
![](../images/ball_good.gif)
( i ) Background
![](../images/ball_good.gif)
( ii ) Abdominal Sonography in P .U.O
![](../images/ball_good.gif)
Materials and methods
![](../images/ball_good.gif)
Results
![](../images/ball_good.gif)
Discussion
![](../images/ball_good.gif)
Summary and Conclusion
![](../images/ball_good.gif)
References
![](../images/ball_good.gif)
Appendix
![](../images/ball_good.gif)
Arabic Summary