A late-presenting deltoid metastasis in a male in his 30s with an adenocarcinoma of the colon, a case report

Abstract

Introduction: Adenocarcinoma of the colon is the 4th most common malignancy globally with an age-standardized incidence rate of 6.1/100.000 males in South-Central Asia. The most common sites of metastasis for colorectal adenocarcinoma are the liver, lung, peritoneum and bone via lymphatic, hematogenous or direct spread. Metastases to skeletal muscles are rare and estimated to constitute less than 1% of all metastases. We present a case of a delayed adenocarcinoma of the colon metastasis in the left deltoid muscle.