Abstract
ABSTRACTBackground. It is now necessary to determine ALK status in order to use targeted therapy. Aim: herein, we assess immunohistochemical profile of ALK protein in a series of Tunisian patients with pulmonary adenocarcinoma.Materials and Methods. ALK protein expression was studied applying the D5F3 antibody with a fully automated Ventana CDx technique on a series of 19 patients.Results. Positive ALK expression was found in one case (5.2%) corresponding to a papillary adenocarcinoma which showed a strong granular and homogenous cytoplasmic staining. The patient was a 30-years-old woman.Conclusion. The frequency of positive ALK expression based on immunohistochemistry in our series was similar to that reported in the world literature.
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