Abstract
Pulmonary large cell neuroendocrine carcinoma: a diagnostic challenge
Highlights
Pulmonary large cell neuroendocrine carcinoma (LCNEC) is a rare entity and accounts for 3% of all lung cancers [1]
LCNEC generally presents with a peripheral pulmonary mass and patients with LCNEC are less likely to present with symptoms [1]
This is because the majority of reported LCNEC cases were under 5 cm in diameter
Summary
Pulmonary large cell neuroendocrine carcinoma (LCNEC) is a rare entity and accounts for 3% of all lung cancers [1]. Most of the LCNECs present as an expanding mass located peripherally [1]. We are going to present a totally asymptomatic patient with a large fluid-filled pulmonary cystic lesion with a diagnosis of pulmonary LCNEC after resection. The chest CT scan showed a homogeneously low-attenuation mass replacing the left lower lobe totally without any mediastinal or pleural involvement (Figure 1b).
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