Atypical localization of colorectal cancer metastasis one case and literature review.

INTRODUCTION

colorectal cancer is a public health challenge in France. Cutaneous metastases are rare but they give evidence of poor prognosis.

PRESENTATION OF CASE: 88 years old female patient, with a previous history of hysterectomy, venous thrombosis outcomes of ankle fracture and stable multiple sclerosis without treatment. She came to emergency with peritonitis. CT scan showed a pneumoperitoneum, and a transverse colonic mass. A laparotomy was performed. This revealed a perforation of caecum, and an obstructive tumor of transverse colon. An extended right semi-colectomy was performed to remove both the perforate caecum and the tumor. The patient was discharged on the 7th post-operative day. Examination confirm an adenocarcinoma pT3N0Mx. At follow up, a nodule was found on her forehead. The biopsy showed a metastasis of colon adenocarcinoma. A surgical resection was performed. To date the patient is well with no evidence of recurrent disease.

CONCLUSION

Cutaneous metastases are rare and there are no recommendations for their treatment. Surgical resection is the best choice, but radiotherapy may be an alternative.