The Spine Journal 15 (2015) e11
An unusual site of lung adenocarcinoma metastasis: cauda equina A-46-year-old man admitted to our hospital with a 2-month history of nocturia, polyuria, polydipsia of 8 liters per day, and intermittent leg pain. Physical examination revealed central obesity and abdominal striae. On brain magnetic resonance imaging, there were multiple lesions consistent with metastasis in the pituitary gland and both parietal lobes. Magnetic resonance imaging of the thoracolumbar region revealed multiple metastatic lesions involving cauda equina (Fig. 1). A chest radiogram showed infiltrating mass in the left upper lung lobe. A transthoracic fine-needle aspiration biopsy was performed and pathologically, the tumor was diagnosed as lung adenocarcinoma. Leg pain attributed to cauda equina metastasis. Unfortu-
nately, patient died after 2 months. Drop metastasis of lung adenocarcinoma to the cauda equina is extremely rare. Clinicians should keep in mind this unusual site for lung adenocarcinoma metastasis. Kerim Aslan, MD Tumay Bekci, MD Hediye Pinar Gunbey, MD Eser Turgut, MD Lutfi Incesu, MD Department of Radiology Faculty of Medicine Ondokuz Mayis University 55139 Kurupelit Samsun, Turkey FDA device/drug status: Not applicable. Author disclosures: KA: Nothing to disclose. TB: Nothing to disclose. HPG: Nothing to disclose. ET: Nothing to disclose. LI: Nothing to disclose.
Figure. (Left) Sagittal T2-weighted image demonstrated mild hyperintense lesions at L2 and S2 levels (arrows). After gadolinium administration, well enhancement of the lesions (arrows) was observed on axial (Middle) and sagittal fat-suppressed T1-weighted images (Right). http://dx.doi.org/10.1016/j.spinee.2015.06.033 1529-9430/Ó 2015 Elsevier Inc. All rights reserved.
An unusual site of lung adenocarcinoma metastasis: cauda equina A-46-year-old man admitted to our hospital with a 2-month history of nocturia, polyuria, polydipsia of 8 liters per day, and intermittent leg pain. Physical examination revealed central obesity and abdominal striae. On brain magnetic resonance imaging, there were multiple lesions consistent with metastasis in the pituitary gland and both parietal lobes. Magnetic resonance imaging of the thoracolumbar region revealed multiple metastatic lesions involving cauda equina (Fig. 1). A chest radiogram showed infiltrating mass in the left upper lung lobe. A transthoracic fine-needle aspiration biopsy was performed and pathologically, the tumor was diagnosed as lung adenocarcinoma. Leg pain attributed to cauda equina metastasis. Unfortu-
nately, patient died after 2 months. Drop metastasis of lung adenocarcinoma to the cauda equina is extremely rare. Clinicians should keep in mind this unusual site for lung adenocarcinoma metastasis. Kerim Aslan, MD Tumay Bekci, MD Hediye Pinar Gunbey, MD Eser Turgut, MD Lutfi Incesu, MD Department of Radiology Faculty of Medicine Ondokuz Mayis University 55139 Kurupelit Samsun, Turkey FDA device/drug status: Not applicable. Author disclosures: KA: Nothing to disclose. TB: Nothing to disclose. HPG: Nothing to disclose. ET: Nothing to disclose. LI: Nothing to disclose.
Figure. (Left) Sagittal T2-weighted image demonstrated mild hyperintense lesions at L2 and S2 levels (arrows). After gadolinium administration, well enhancement of the lesions (arrows) was observed on axial (Middle) and sagittal fat-suppressed T1-weighted images (Right). http://dx.doi.org/10.1016/j.spinee.2015.06.033 1529-9430/Ó 2015 Elsevier Inc. All rights reserved.
