It is distinct from the Trousseau sign of malignancy.

Coincidentally, he previously described Trousseau sign of malignancy and developed a similar finding in himself.

The Trousseau sign of malignancy is a medical sign found in certain cancers that is associated with venous thrombosis and hypercoagulability.

Thrombophlebitis migrans can be a non-metastatic manifestation of malignancies such as pancreatic carcinoma (Trousseau sign of malignancy).

His contributions to medicine include Trousseau sign of malignancy, Trousseau sign of latent tetany, Trousseau-Lallemand bodies (an archaic synonym for Bence Jones cylinders), and the truism, "use new drugs quickly, while they still work."