Table 1.

Summary of case reports with GBM and 3 or more sites of extraneural metastasization [1, 2, 12, 13, 16, 17, 19, 20, 33–44]

First author [Ref.]	Year	Extraneural location
Davis [1]	1928	Lung, bone, soft tissue
Wisiol [33]	1962	Lung, bone, soft tissue
Makeever [34]	1966	Lung, pleura, diaphragm, lymph nodes
Rubinstein [35]	1967	Lymph nodes, bone, retroperitoneal, muscle
Smith [12]	1969	Lymph nodes, bone, liver, pancreas
Smith [12] (case 20)	1969	Lymph nodes, lung, pleura
Wakamatsu [17]	1971	Lung, pleura, pericardium, diaphragm
Hulbanni [16]	1976	Lymph nodes, lung, bone
Liwnicz [14] (case 1)	1979	Lymph node, lung, pleura, pericardium
Liwnicz [14] (case 2)	1979	Bone, paravertebral, mesenterium
Liwnicz [14] (case 3)	1979	Lymph nodes, bone, retroperitoneal, soft tissue
Yokoyama [36]	1985	Lymph nodes, lung, bone, pleura, liver
Horiuchi [19]	1996	Bone, orbital/nasal/oral cavity, muscles
Wallace [37]	1996	Lymph nodes, muscles, eye
Beauchesne [38]	2000	Lung, bone, heart
Houston [39] (case 1)	2000	Lymph nodes, bone, mediastinum
Houston [39] (case 2)	2000	Liver, lung, skin
Ueda [40]	2003	Lymph nodes, bones, lung, liver, pancreas, kidney, epicardium, soft tissue
Mirzayan [41]	2005	Lymph nodes, bone, mediastinum, soft tissue
Didelot [42]	2006	Lymph nodes, lung, bone, spleen
Mujic [43]	2006	Lung, bowel, pancreas, soft tissue
Saad [2]	2007	Bone, lung, liver, soft tissue
Beauchesne [20] (case 1)	2011	Lung, bone, muscle, heart
Beauchesne [20] (case 2)	2011	Lymph nodes, lung, spleen
Beauchesne [20] (case 3)	2011	Lymph nodes, lung, liver
Hamilton [44] (case 2)	2014	Lymph nodes, bone, soft tissue
Anghileri [13]	2016	Lymph nodes, bone, soft tissue