The correct answer is D. Lung.

The case describes erythema gyratum repens, a figurate erythema that presents with concentric erythematous plaques displaying a “wood grain” appearance. It is a paraneoplastic disease in 70% of cases, often presening months prior to the diagnosis of malignancy.  Lung is the most common associated malignancy, followed by breast, esophagus and stomach. The skin findings can develop from one year prior to one year following the malignancy diagnosis.

The case describes erythema gyratum repens, a figurate erythema that presents with concentric erythematous plaques displaying a “wood grain” appearance. It is a paraneoplastic disease in 70% of cases, often presening months prior to the diagnosis of malignancy.  Lung is the most common associated malignancy, followed by breast, esophagus and stomach. The skin findings can develop from one year prior to one year following the malignancy diagnosis.

Refrences: Rongioletti F, Fausti V, Parodi A: Erythema gyratum repens is not an obligate paraneoplastic disease: a systematic review of the literature and personal experience.J Eur Acad Dermatol Venereol 2014; 28: pp. 112-115.

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