To investigate the carotid sheath in neck dissection (ND) specimens histopathologically in patients with head and neck carcinomas who had no evidence of previous neck surgery or direct involvement of the carotid sheath in their pre- or intra-operative evaluations. In this study, carotid sheath (CS) specimens of 40 patients with head and neck carcinomas (HNCA) who, depending on the condition of the primary tumor, required unilateral or bilateral elective or therapeutic selective neck dissection were histopathologically investigated by an expert head and neck pathologist to find any lymphoid or thyroid like tissue or tumor cells infiltration. A total of 50 carotid sheath (CS) specimens were investigated. None of the samples showed any evidence of tumor infiltration or accumulation of lymphatic tissue. We conclude that in patients with no histopathologic involvement of the carotid sheath in pre-operative or intra-operative tumor invasion, it is not necessary to remove CS in routine neck dissection.
Keywords: Carotid sheath; Head and neck carcinomas; Neck dissection.
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