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Detection of Cauda Equine Syndrome with 18F-FDG PET/CT and Leptomeningeal Metastasis by 68Ga-DOTATATE in the Same Patient with Large Cell Neuroendocrine Carcinoma of Lung


Detection of Cauda Equine Syndrome with 18F-FDG PET/CT and Leptomeningeal Metastasis by 68Ga-DOTATATE in the Same Patient with Large Cell Neuroendocrine Carcinoma of Lung



Clinical Nuclear Medicine 46(6): 488-490



PMID: 33661196

Leptomeningeal metastasis is the metastatic spread of the disease to leptomeninges from solid tumors such as breast, lung cancer, and melanoma. Cauda equine syndrome is a neurological condition caused by compression of the cauda equine. The incidence of large cell neuroendocrine carcinoma in resected lung cancers appears to be 2.1% and 3.5%. The incidence of clinically diagnosed leptomeningeal metastasis in patients with solid tumors is approximately 5%. Here, we present cauda equine syndrome caused by the metastasis of large cell neuroendocrine carcinoma detected by 18F-FDG PET/CT and also 68Ga-DOTATATE PET/CT.

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