title: Successful resection of liver metastasis detected by exacerbation of skin symptom in a patient with dermatomyositis accompanied by rectal cancer: a case report and literature review.
abstract: BACKGROUND
  Dermatomyositis (DM) is a rare syndrome that belongs to the group of idiopathic inflammatory myopathies. The association between DM and malignancy is well recognized, and the severity of DM symptoms has been linked to the progression of metastatic disease.
  
  
  METHODS
  We report the case of a 42-year-old man that was diagnosed with dermatomyositis (DM) and rectal cancer. Proctectomy was performed, and DM symptoms were resolved postoperatively. One year and 9 months after the surgery, liver metastasis occurred accompanied by the exacerbation of DM symptom. Partial resection of the liver was performed, and postoperative course was uneventful. DM symptoms improved postoperatively, and no evidence of cancer recurrence or DM symptoms was observed 2 years after the second surgery. To date, few reports have described recurring cases of DM accompanied by colorectal cancer in detail. We reviewed four similar cases that were reported poor prognoses with treatment resistance. However, our case report demonstrates good long-term results with resection of metastatic lesion.
  
  
  CONCLUSIONS
  It is important to check the exacerbation of DM symptoms, as this symptom sometimes preceded cancer relapse during the follow-up of our patient with DM and colorectal cancer.
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.
authors.forename: Kosuke
authors.initials: K
authors.lastname: Ono
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan. manabus761215@gmail.com.
authors.forename: Manabu
authors.initials: M
authors.lastname: Shimomura
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.
authors.forename: Kazuhiro
authors.initials: K
authors.lastname: Toyota
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.
authors.forename: Atsushi
authors.initials: A
authors.lastname: Kagimoto
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.
authors.forename: Naofumi
authors.initials: N
authors.lastname: Tsukiyama
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.
authors.forename: Masayuki
authors.initials: M
authors.lastname: Shishida
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.
authors.forename: Koichi
authors.initials: K
authors.lastname: Oishi
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.
authors.forename: Kazuaki
authors.initials: K
authors.lastname: Miyamoto
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.
authors.forename: Satoshi
authors.initials: S
authors.lastname: Shibata
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.
authors.forename: Masahiro
authors.initials: M
authors.lastname: Ikeda
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.
authors.forename: Seiji
authors.initials: S
authors.lastname: Sadamoto
authors.affiliation: Department of Surgery, National Hospital Organization Higashihiroshima Medical Center, 513, Jike, Saijyo-cho, Higashihiroshima, Hiroshima, 739-0041, Japan.|Department of Gastroenterological and transplant Surgery, Applied life sciences, Institute of Biomedical & Health sciences, Hiroshima University, Hiroshima, Japan.
authors.forename: Tadateru
authors.initials: T
authors.lastname: Takahashi
keywords: Colorectal cancer; Dermatomyositis; Liver metastasis; Recurrence