| Author, year | Age (years) | Sex | Histology | Stage | Primary cancer treatment | Interval (months) | Skin metastasis location | Skin metastasis morphology | Skin metastasis treatment | Survival (follow-up time in months) |
| Gottlieb and Schermer, 1970 [12] | 72 | F | Adenocarcinoma-sigmoid | NA | Sigmoidectomy | 57 | Palms | Nodules | — | NA | Gottlieb and Schermer, 1970 [12] | 67 | M | Adenocarcinoma-descending colon | NA | Left hemicolectomy | 4 | Face | Nodules/ulcers | NA | 6 months | Gray and Das, 1989 [13] | 79 | F | Adenocarcinoma | — | Radiation | 0 | Leg | Nodules | None | No (18) | Reed and Stoddard, 1992 [14] | 68 | F | Adenocarcinoma, poorly differentiated | — | LAR | 4 | Perineum | Nodules | APR | — | De Friend et al., 1992 [15] | 49 | F | Adenocarcinoma | III | LAR | 7 | Perineum | Nodules | WLE | — | Kauffman and Sina, 1997 [5] | 50 | M | Adenocarcinoma, signet ring | IV | LAR+ACR | 36 | Multiple | Plaques | None | No (3) | Stavrianos et al., 2000 [16] | 78 | M | Adenocarcinoma-well differentiated | III | Transverse colon resection | 3 | Cheek oral commissure | Ulcers | RT followed by full thickness excision | 11 | Sukumar and Qureshi, 2001 [17] | 75 | M | Adenocarcinoma, poorly differentiated | | APR+RT | 3 | Penile skin | Nodule, ulcers | NA | 2 | Adani et al., 2001 [18] | 70 | F | Adenocarcinoma | III | APR+AC | 36 | Leg | Nodules | CR | Yes (14) | Tsai et al., 2002 [19] | 47 | M | Adenocarcinoma, signet ring | III | APR+AC | 11 | Multiple | Nodules | C | No (4) | Melis et al., 2002 [20] | 41 | M | Adenocarcinoma | IV | NCR | 1 | Perineum | Plaques | None | — | Damin et al., 2003 [21] | 44 | M | Adenocarcinoma | II | LAR | 6 | Groin | Zosteriform | R | No (5) | Hayashi et al., 2003 [22] | 50 | M | Adenocarcinoma, mucinous | — | LAR | 4 | Perineum | Nodules | None | — | Wright et al., 2003 [23] | 81 | F | | IV | | | Cholecystectomy scar | | | NA | Sarid et al., 2004 [24] | 60 | F | Adenocarcinoma, mucinous | III | NR+LAR+ACR | 16 | Chest, abdomen | Ulcers | WLE | No (56) | Alexandrescu et al., 2005 [25] | 62 | F | Adenocarcinoma | — | NA | 60 | Scar site | Masses | — | — | Alexandrescu et al., 2005 [25] | 46 | M | Adenocarcinoma | — | NA | 36 | Scar site | Masses | — | — | Reuter et al., 2007 [26] | 69 | M | Adenocarcinoma | II | APR+ACR | 5 | Perineum | Plaques | None | No (6) | Tan et al., 2006 [27] | 70 | M | Adenocarcinoma, mucinous | IIIB | LAR+AC | 20 | Back | Nodules | WLE, C | — | Tan et al., 2006 [27] | 51 | F | Adenocarcinoma | IIIB | APR | 10 | Perineum | Nodules | WLE, CR | 9 months | Kilickap et al., 2006 [28] | 29 | M | Adenocarcinoma, signet ring | IIIA | LAR+APR+ACR | 14 | Chest wall, axilla | Nodules | WLE+C | Yes (4) | Fyrmpas et al., 2006 [29] | 62 | M | Adenocarcinoma-moderately differentiated | NA | Right hemicolectomy | 36 | Chin | Nodules | Excision biopsy | 8 months | Nasti et al., 2007 [30] | 76 | F | Adeno carcinoma | III | Preop CRT | 0 | Face with parotid gland involvement | NA | NA | 15 | Gazoni et al., 2008 [31] | 55 | F | Adenocarcinoma, poorly differentiated | IV | Colostomy+CR | 0 | Perineum | — | CR | No (3) | Gazoni et al., 2008 [31] | 66 | M | Adenocarcinoma, poorly differentiated | IV | Colostomy+CR | 0 | Perineum | — | CR | No (4) | Gazoni et al., 2008 [31] | 68 | M | Adenocarcinoma, poorly differentiated | IV | Colostomy+CR | 0 | Thigh, axilla | — | CR | No (3) | Gazoni et al., 2008 [31] | 72 | M | Adenocarcinoma | IV | Colostomy+CR | 0 | Perineum | — | CR | No (5) | Gazoni et al., 2008 [31] | 65 | M | Adenocarcinoma | IV | Colostomy+CR | 0 | Perineum | — | CR | No (7) | Gazoni et al., 2008 [31] | 78 | M | Adenocarcinoma | IV | Stent+CR | 0 | Perineum | — | CR | No (1) | McWeeney et al., 2009 [32] | 72 | M | Adenocarcinoma | III | Ileostomy+NCR | 6 | Perineum | Nodules | WLE | — | Kurihara and Watanabe, 2009 [33] | 66 | M | | III | | | Right thigh | | | 7 months | Ayadi, 2009 [34] | 63 | M | Small cell carcinoma-rectum | III | CT | 5 | Scalp | Ulceroproliferative mass | Palliative CT | 16 months | Saladzinskas et al., 2010 [35] | 64 | M | Adenocarcinoma, mucinous | IIA | NR+LAR | 42 | Face | Ulcers | WLE | Yes (7) | Ismaili et al., 2011 [36] | 50 | F | Adenocarcinoma, signet ring | IV | None | 0 | Multiple | Zosteriform | None | No (1) | Horiuchi et al., 2011 [37] | 53 | M | Adenocarcinoma | II | | 36 | Scalp | | | 6 months | Civitelli et al., 2011 [38] | 73 | F | Adenocarcinoma | III | | Few days | Abdominal wall, chest, back | | | 6 months | Balta et al., 2012 [39] | 46 | M | Adenocarcinoma, mucinous | IIIB | Colostomy | 12 | Perineum | Ulcers | None | — | Wang et al., 2012 [40] | 63 | M | Adenocarcinoma | III | | 6 | Chest, neck, upper limb | | | 2 weeks | Nasrolahi, 2013 [10] | 33 | M | Adenocarcinoma | IV | CT | 3 | Chest, back, neck | Plaque | CT | Few weeks | Rajan et al., 2012 [41] | 36 | M | Adenocarcinoma | IV | | 24 | Lower extremities | | | 3 months | Hamid and Hanbala, 2012 [42] | 70 | NA | Adenocarcinoma | II | | 86 | Scalp, upper trunk | | | NA | Russo et al., 2012 [43] | 72 | M | Adenocarcinoma-signet cells | II | Right hemicolectomy | 33 | Back | Nodules | WLE | Yes | Rashid et al., 2012 [44] | 65 | M | Adenocarcinoma | III | Right hemicolectomy | 0 | Forearm | Nodules | — | 17 months | de Miguel Valencia et al., 2013 [45] | 55 | M | Adenocarcinoma, mucinous | IIIB | NCR+APR+AC | 18 | Multiple | Nodules | None | No (—) | Ozgen et al., 2013 [46] | 65 | M | Adenocarcinoma | IIA | NCR+LAR+ACR | 18 | Perineum | Nodules | CR | Yes (12) | Akpak et al., 2014 [47] | 47 | F | Adenocarcinoma | IV | APR | 36 | Perineum | Ulcers | WLE+CR | — | Nesseris et al., 2013 [7] | 80 | M | Adenocarcinoma | III | Right hemicolectomy | 12 m | Lower abdomen | Ulceroproliferative growth | 2 cycles of CT | Yes | Kushwaha et al., 2013 [48] | 40 | M | Adenocarcinoma-signet cells | IV | CT | 0 | Chest, neck | Nodules | CT | 4 months | Kushwaha et al., 2013 [48] | 56 | M | Adenocarcinoma | II | APR+CT | 10 | Chest, neck | Nodules | NA | 8 months | Kushwaha et al., 2013 [48] | 43 | F | Adenocarcinoma | II | LAR+CT | 8 | Chest | Nodules | NA | 7 months | Rogers et al., 2014 [49] | 50 | M | Adenocarcinoma, mucinous | IV | | 72 | Scalp | Nodules | WLE | NA | Rogers et al., 2014 [49] | 45 | F | Adenocarcinoma | | NCR+SX+ACR | | Scalp | Nodules | WLE | Yes | Dehal et al., 2016 [50] | 47 | M | Adenocarcinoma, mucinous | IV | CR | 1 | Perineum | Nodules | R | Yes (12) | Fragulidis et al., 2015 [51] | 62 | M | Adenocarcinoma | IV | Endoscopic stent | 4 m | Scalp | Nodules | WLE | No (2 weeks) | Varma et al., 2015 [52] | 40 | F | Adenocarcinoma | — | Colostomy | 2 m | Pubic area, thigh | Nodules | NA | NA | Our case, 2018 | | | | | | | | | | |
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