Metastatic balloon cell melanoma A rare differential in the diagnosis of clear cell tumors Metastatic melanoma Decoding Melanoma Metastasis This is a very rare case of metastatic oral mucosal melanoma to the colon with an unusual presentation mimicking melanosis coli. The colonoscopy findings show no mass effect but multiple hyperpigmented lesions Decoding Melanoma Metastasis Intracranial Metastases: Spectrum of Mr Imaging Findings Eun Kyoung Lee, Eun Ja Lee, Mi Sung Kim, Hee Jin Park, No Hyuck Park, Sung Il Park, Yong Seok Lee, 2012