RT Journal Article SR Electronic T1 Could it still be malignant melanoma or just a poorly differentiated neoplasm? JF BMJ Case Reports FD BMJ Publishing Group Ltd SP bcr1120081259 DO 10.1136/bcr.11.2008.1259 VO 2009 A1 Manju Sood A1 Heather Le Cocq A1 Faisal Ali A1 Sharif Al-Ghazal YR 2009 UL http://casereports.bmj.com/content/2009/bcr.11.2008.1259.abstract AB The present case, characterised by an aggressive and poorly differentiated skin malignancy, contributes to a wider discussion on such tumours. Despite repeated histological examinations, including immunohistochemistry, and thorough radiological investigation, diagnosis of melanoma was not easy.