Calcified Liver Metastases from a Neuroendocrine Tumor of the Lung (Atypical Carcinoid)-A Case Report

Abstract

Introduction Pulmonary neuroendocrine tumors (NETs) are rare tumors with an incidence rate of 0.2-2/100 000 population/year in Western countries (M. E. Caplin et al. Ann Oncol 2015; 26:1604-20). They account for 1-2% of all neoplasms of the lung and constitute one-fourth to one-third of all NETs. Atypical carcinoids are far less common than typical carcinoids and predominantly occur in male smokers aged 50-70 years. Most pulmonary NETs are asymptomatic due to their peripheral location. Surgical resection is the treatment of choice. Medical management should take hormone-related symptoms into account.