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===Biopsy===
 
===Biopsy===
*A deep biopsy specimen of the mass is required for a definitive diagnosis.
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*A deep biopsy specimen of the mass is required for a definitive diagnosis
*Histology reveals an eosinophilic tissue infiltrate.
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*Histology reveals an eosinophilic tissue infiltrate
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==Treatment==
 
==Treatment==
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*'''Medical'''
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**Control ectoparasites
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**Diet trial and skin testing may be carried out to rule out food allergy and atopy
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**Antibiotics if there is evidence of a bacterial infection
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**Corticosteroid therapy if the patient is refractory to the above. Treatment should be tapered gradually once a response is seen then discontinued once signs have completely disappeared.
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**Chlorambucil may be useful in resistent cases
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*'''Surgical'''
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**Surgical excision is required for large lesions that interfere with breathing or swallowing.
 
==Prognosis==
 
==Prognosis==
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*Good but the lesion can recur.
 
==References==
 
==References==
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