ReviewJournal of investigative medicine high impact case reports
Brain Metastasis as the Initial Presentation of Carcinoid Tumor: Case Report and Literature Review.
Review in Journal of investigative medicine high impact case reports. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- IASLC Update on Classification of Pulmonary Neuroendocrine Neoplasms.Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer · 2026Review
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Neuroendocrine neoplasms of the lung include neuroendocrine carcinomas and neuroendocrine tumors (NETs). NETs are also known as carcinoid tumors (CaTs), which are categorized as typical carcinoid and atypical carcinoid (AC). Pulmonary CaTs often metastasize to various sites, including regional lymph nodes, lungs, liver, and bone; however, metastasis to the brain is relatively rare. It is even rarer for patients with CaTs to present with signs of brain metastasis initially. We report the case of a 50-year-old female patient who initially presented with neurological symptoms and magnetic resonance imaging findings suggestive of multiple sclerosis. Despite initial treatment for multiple sclerosis, further evaluation uncovered a rare case of bronchopulmonary AC tumor metastasis to the brain. This case highlights the importance of considering metastatic disease in patients presenting with atypical neurological symptoms, especially when initial management fails to yield expected outcomes. Our literature review revealed 7 cases of CaTs initially presenting with brain metastases, with our patient being the youngest among all published cases.
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