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ES04 - Multimodality Management of Small Cell and Neuroendocrine Cancers (ID 7)
- Event: WCLC 2019
- Type: Educational Session
- Track: Small Cell Lung Cancer/NET
- Presentations: 1
- Now Available
ES04.05 - Advances in Radionuclide Treatment for Neuroendocrine Tumours (Now Available) (ID 3172)
10:30 - 12:00 | Presenting Author(s): Angela Lamarca
Lung carcinoids (LC) are rare tumours, however incidence is increasing due to improvement in diagnostic techniques. They account for approximately 2% of all lung malignancies and around 20-30% of all neuroendocrine tumours (NETs). They characteristically have an indolent clinical behaviour with longer survival intervals compared to poorly differentiated lung neuroendocrine malignancies. LC are divided into typical or atypical carcinoid tumours according to pathological characteristics, such as amount of mitosis and necrosis.
A significant proportion of LC expresses somatostatin receptors by immunohistochemistry. Nuclear medicine imaging, such as somatostatin receptor scintigraphy, has been employed for staging of LC for years. Development of new nuclear medicine imaging techniques, including Positron Emission Tomography (PET) combined with CT has improved diagnosis, staging and treatment of patients diagnosed with LC. 68-Gallium(68Ga)-radiolabelled PET (68Ga-DOTA-PET) tracers for functional NET imaging have emerged as potentially useful tools for diagnosis and staging.
For localised stages of LCs, surgery is the treatment of choice, performed with curative intent. Locally advanced inoperable or metastatic tumours are treated with palliative approaches based on somatostatin analogues (SSAs), temozolomide-based chemotherapy combination and targeted therapies (everolimus). Recently, the use of Peptide Receptor Radionuclide Therapy (PRRT) has revolutionised the treatment of extra-pulmonary neuroendocrine tumours. Based on the results of the NETTER-1 study, PRRT has been approved for the management of small bowel and pancreatic NETs and it is considered a standard of care after progression to SSA for patients with uptake in 68Ga-DOTA-PET (theranostic approach).
This lecture will summarise the state of the art of LC with a focus behind the rationale of PRRT and its potential role in the management of LCs.
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