Erythema gyratum repens like figurate erythema responding to topical steroid in an healthy individual

{Figure 1} Complete blood cell count, peripheral blood smear, 10% KOH for fungal elements, urinalysis, stool tests for parasites and occult blood, erythrocyte sedimentation rate, ANA, RF, AntiHIV, C3, C4, serology for viral hepatitis B and C, Chest X-ray and Ultrasonography of abdomen were within normal limits or negative. [2] In our case, clinical and laboratory investigations did not reveal any underlying disease or malignancy. [...]the other dermatoses mimicking EGR could be excluded by clinical and histopathologic findings of the lesions. [...]the presented case had an EGR-like figurate erythema with waxing and waning course, with no identifiable underlying cause and showed significant improvement with topical steroid.