Typical pulmonary carcinoid tumour
| Typical pulmonary carcinoid tumour | |
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| File:Lung carcinoid - high mag.jpg
Micrograph of a typical pulmonary carcinoid tumour.
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| Patient UK | Typical pulmonary carcinoid tumour |
Typical pulmonary carcinoid tumour is a subtype of pulmonary carcinoid tumour. It is an uncommon low-grade malignant lung mass that is most often in the central airways of the lung.[1] It is also known as typical lung carcinoid tumour, lung carcinoid, and typical lung carcinoid.
Contents
Symptoms
Lung carcinoids typically present with a cough or hemoptysis.[2] Findings may closely mimic malignant tumours of the lung, i.e. lung cancer.
Diagnosis
The definitive diagnosis is rendered by a microscopic examination, after excision. Typical carcinoids have cells with stippled chromatin and a moderate quantity of cytoplasm. They typically have few mitoses and lack necrosis. By definition, they are greater than 4 mm in largest dimension; smaller lesions are referred to as pulmonary carcinoid tumourlets.
The differential diagnosis of typical pulmonary carcinoid tumour includes: atypical pulmonary carcinoid tumour, pulmonary carcinoid tumourlet and lung adenocarcinoma.
Treatment
Typical carcinoids are usually treated with surgical excision.
See also
Additional images
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Lung carcinoid - very high mag.jpg
Very high magnification
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