TY - JOUR T1 - Could it still be malignant melanoma or just a poorly differentiated neoplasm? JF - BMJ Case Reports DO - 10.1136/bcr.11.2008.1259 VL - 2009 SP - bcr1120081259 AU - Manju Sood AU - Heather Le Cocq AU - Faisal Ali AU - Sharif Al-Ghazal Y1 - 2009/01/01 UR - http://casereports.bmj.com/content/2009/bcr.11.2008.1259.abstract N2 - 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. ER -