Capillary Leak Syndrome Associated with Anaplastic T Cell Lymphoma and Transcutaneous Exudation: An Unusual Presentation.

Capillary leak syndrome is a rare complication of cancer, particularly of hematologic malignancies. The syndrome was first described as an idiopathic entity; however, increasingly, more cases are being reported in association with cancers and other conditions. Diagnosis stems from the recognition of the double paradox, consisting of severe generalized oedema and hypotension, accompanied by hallmark laboratory modifications.