Atypical carcinoid of the larynx and expressions of proteins associated with molecular targeted therapy.

Objective: We reported an extremely rare case of atypical laryngeal carcinoid, and examined the expression of several proteins for application of molecular targeted therapy.

Method: Case report and review of the literature concerning atypical carcinoid arising from the larynx. The expressions of proteins were determined by immunohistochemical analysis.

[Significant factors affecting the operation time for benign parotid tumor].

Tumors of the parotid gland are fairly frequent among head and neck tumors. Parotidectomy for benign tumors is necessary for diagnosis and therapy. Furthermore, acquiring the skill for this operation is a significant step in the training course of an otolaryngologist Thus, it is useful to analyze the operation time and determine the factors affecting it to evaluate the progress in the operation skill.