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BackgroundOral challenges are the gold standard in food allergy diagnostic, but time‐consuming. Aim of the study was to investigate the role of peanut‐ and hazelnut‐component‐specific IgE in the diagnostics of peanut and hazelnut allergy and to identify cutoff levels to make some challenges superfluous.
MethodsIn a prospective and multicenter study, children with suspected peanut or hazelnut allergy...
Malignant lateral cervical cysts can be related to metastatic tumors or rarely to primary thyroid carcinoma arising in branchial cleft cysts. This study evaluates the expression of thyroid-associated transcription factor-1 (TTF-1) and p63 in three branchial cleft cysts and in two primary thyroid papillary carcinoma of branchial cleft cysts. TTF-1 was negative in the nuclei of the lining epithelia...
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