Computed Tomographic Features of the Camel Nasal Myiasis
Keywords:Computed tomography Camel Nasal myiasis Nasal cavity Sinuses
The purpose of this work was to describe the computed tomographic (CT) features of nasal myiasis in camel (Camelus dromedarius), which caused by the larvae of camel nasal botfly Cephalopina titillator. Twenty infested heads of emergency slaughtered camels and five normal heads were obtained for the study. The normal anatomical features of the nasal cavity in CT images were identical to their cross sections without any pathological changes. The most commonly encountered CT findings in the infested group were (1) unilateral-rounded foci of soft tissue or fluid opacity in the ventral nasal concha in 100 % of cases, the foci also found bilaterally in the ethmoidal labyrinth 20% and frontal sinuses 5%. (2) Kidney-shaped hypolucent foci were found unilaterally in the ventral bulla 20% (3) Specific pattern of lesions distribution, which tend to be localized in three levels, the caudal two thirds of the ventral nasal concha, the ethmoidal labyrinth and the frontal sinus. It was concluded that, CT may be useful in detecting intranasal pathological changes associated with Cephalopina larval infestation in camel.
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