This workup can include a chest x-ray and CT scan of the abdomen and pelvis. The primary finding is mild spongiosis, focal parakeratosis, and a superficial perivascular lymphohistiocytic infiltrate that also may include eosinophils and melanophages. Exocytosis of neutrophils and eosinophils may be observed. Topical steroids are of no benefit. Corticosteroid injections may improve the pruritus but reportedly do not change the appearance of the skin eruption.
Prognosis depends on the underlying illness.
In most patients, symptoms disappear with the resolution of underlying disease. Erythema gyratum repens. A cutaneous marker of malignancy. Erythema gyratum repens. A case studied with immunofluorescence, immunoelectron microscopy and immunohistochemistry.