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Full list of author information is available at the end of the articleBackground Meningeal carcinomatosis is characterized by diffuse invasion of tumor cells in the leptomeninges and cerebro-spinal fluid [1], which occurs in 3-8 % of all cancer patients. Among patients with any type of solid tumors, the highest incidence of meningeal carcinomatosis has been reported in patients with breast cancer (12-34%) and lung cancer (10-26%) [2], while the occurrence of meningeal car-cinomatosis is rare in patients with gastric cancer with a reported incidence of 0.06-0.17 % [3,4]. Nevertheless, in autopsy studies, evidence of meningeal involvement was found in approximately 20 % of cancer patients with neuro-logical signs and symptoms [1,5]. Malignant tumors, such as lung cancer, prostatic cancer, brain tumors, gastrointestinal cancer, uterine cancer, and ovarian cancer [6], are often associated with excessive coagulation; arterial and venous thrombosis is also a frequent complication [7]. Meningeal carcinomatosis and hypercoagulability associated with malignancy are treatment-resistant complications of malignancy. The early detection of both conditions is clinically important