A patient with an underlying malignancy may develop livedo reticularis due to a number of different mechanisms.


Tumors that have been associated with livedo reticularis secondary to intra-vascular tumor

(1) inflammatory breast carcinoma

(2) angiotrophic malignant lymphoma


Other tumors associated with livedo reticularis:

(1) renal cell carcinoma

(2) acute lymphocytic leukemia

(3) mycosis fungoides


Livedo reticularis may develop in a patient with cancer due to:

(1) thrombo-emboli

(2) infection

(3) drug-induced

(4) cold agglutinins

(5) amyloidosis


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