Primary Carcinoid Tumour of the Larynx

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Abstract
Carcinoid neoplasms, although rare, have to be considered in the differential diagnosis of neoplasms of the larynx. The total number of cases reviewed and listed in the present article is 47. The gross appearance of carcinoid tumours is not characteristic and does not differ from that of other malignant neoplasms of the larynx. Under the light microscope various types can be distinguished, which are described and illustrated in this review article. Available material of five previously published cases and of one new case have been re-examined under the electron microscope and by modern histochemical and immunohistochemical methods. The ultrastructural presence of neurosecretory granules and of argyrophilia by the Grimelius technique were uniformly positive, together with monoclonal antibodies for somatostatin and keratin. These special methods offer a reliable basis for the diagnosis of neuroendocrine neoplasms to which carcinoid tumours belong. The treatment of carcinoid neoplasms of the larynx is surgical

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