Examining the differential of digital ischaemia and review of paraneoplastic ischaemia.

There is a broad differential diagnosis of digital ischaemia that includes commonly encountered conditions of vascular or thromboembolic nature as well as less commonly seen such as those of vasculitic or rheumatological origin. A less frequently encountered pathology is digital ischaemia associated with malignancy. This paraneoplastic process is rare and infrequently described in the literature, though it has been observed in various solid and haematological malignancies. Here, we describe a patient case with an atypical presentation of digital ischaemia and present a brief review on prior reports of digital ischaemia related to cancer.