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From the clinical manifestations, differential diagnoses included guttate psoriasis, psoriatic arthritis (PsA), and pityriasis lichenoides chronica (PLC). Indications for a differential diagnosis are as follows: in psoriasis, erythema, silvery scales, and petechiae detected using dermoscopy. Dear Editor, A 25-year-old Japanese man was referred to our hospital due to fever, joint pain in the knees, ankles, shoulders, elbows, and wrists, and scaly erythema on the trunk and extremities. [Extracted from the article]

Computed tomography (CT) detected a right lung nodule one year after surgery (Fig. Finger metastasis secondary to esophageal carcinoma rarely occurs because most patients die from local recurrence and visceral metastasis. Dear Editor, Cutaneous metastasis rarely originates from esophageal carcinoma, and basaloid squamous cell carcinoma (BSCC) is a rare malignant disease of the esophagus.1,2 We report a case of finger metastasis from esophageal BSCC. [Extracted from the article]

Erythematous plaques with nail deformities on the fingers were refractory to topical corticosteroids, ultraviolet therapy, and cyclosporine (Fig. Acrodermatitis continua of Hallopeau (ACH) is recognized as a rare subtype of pustular psoriasis that presents as a sterile pustular eruption in the fingertips and toes.[1] Herein, we report a case of ACH successfully treated with guselkumab. Nail deformities on the fingers and pustules on the sole of the foot were refractory to treatment (Fig. [Extracted from the article]