Abstract
BACKGROUND: Foreign body inhalation is an emergency situation, affecting children mostly in first decade of life. An aspirated solid or semisolid object may lodge in the larynx or trachea may cause complete obstruction. Lesser degrees of obstruction or passage of the obstructive object beyond the carina can result in less severe signs and symptoms. Chronic debilitating symptoms with recurrent infections might occur with delayed extraction, or the patient may remain asymptomatic. Many aspirated foreign bodies are unexpectedly discovered, go undetected, or are misdiagnosed. In many cases with suspected foreign body radiological findings may reveal other findings e.g. emphysema, atelectasis, air trapping.
 OBJECTIVE: To determine the frequency of common radiological findings among children with suspected foreign body inhalation.
 MATERIAL AND METHODS: This cross-sectional descriptive study was conducted at Department of ENT, Khyber Teaching Hospital, Peshawar, from April 2017 to October 2017. In this study a total of 141 patients were observed. All patients were subjected to detailed history and clinical examination. X ray chest (AP and lateral views) of all the patients was performed to detect common radiological findings (Radio-opaque Foreign Body (FB), Pneumonia, Emphysema, atelectasis and Air Trapping). The demographic details like name, age, gender, address and contacts were recorded on a pre-designed proforma.
 RESULTS: In this study mean age was 8 years with SD ± 3.563. Sixty percent children were male while 40% children were female. Sixteen percent children had Radio opaque FB, 13% children had pneumonia, 28% had emphysema, 18% children had atelectasis while 25% had Air trapping.
 CONCLUSION: Our study concludes that the frequency of Radio opaque was 16%, pneumonia 13%, emphysema 28%, atelectasis 18%, Air trapping 25% among children with suspected foreign body inhalation.
 KEY WORDS: radiological findings, suspected foreign body inhalation, Pneumonia, Emphysema, atelectasis and Air Trapping
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