Abstract:Although Henoch-Schönlein purpura (HSP) is known to be accompanied by malignancies, cases with hepatobiliary cancer are extremely rare. A 62-year-old man with palpable purpura rapidly extending to both lower legs was admitted to our hospital. He was undergoing follow-up for cirrhosis caused by chronic hepatitis B virus infection and hepatocellular carcinoma (HCC). He had renal dysfunction with hematuria and proteinuria and abdominal pain. Based on the clinical presentation and skin biopsy findings, he was diagnosed with HSP. The administration of steroids resulted in the rapid improvement of the patient's symptoms and he was discharged 12 days after admission.

In this paper, we report the case of a 71‐year‐old man with an 8‐year history of melanonychia on the right little finger, who referred to our hospital because the color of pigmented area had gradually darkened and the width had expanded. Physical examination revealed longitudinal melanonychia with brown color (4 mm in width). Dermoscopic examination revealed multiple white round clods and splinter hemorrhages. No micro‐Hutchinson sign was observed. We performed a punch biopsy (diameter 3 mm) of the nail matrix for diagnosis. Histopathological examination revealed irregular acanthosis of epithelium of the nail bed and distal matrix, which consisted of basaloid cells without nuclear atypia. Several zones exhibited cell whorls reminiscent of squamous eddies. The whorls were composed of large pink cells arranged in an onion peel‐like fashion. The basaloid cells tested negative for human papillomavirus in situ hybridization and p16 staining. The morphology of white round clods (milia‐like cysts in metaphoric term) observed in dermoscopic analysis corresponded to squamous eddies in histopathology. Considering these features, ungual seborrheic keratosis (SK) with longitudinal melanonychia was diagnosed, which is an atypical site for SK. We suggest that the dermoscopic finding of milia‐like cysts may be useful for the diagnosis of ungual SK.

Pharmacological regimens with multiple medications are being used in fertility treatments. Herein, we report a case of a 40‐year‐old Japanese woman who developed Stevens‐Johnson syndrome (SJS) with a severe ocular complication during fertility treatment. Despite early multimodal interventions, including methylprednisolone pulse therapy and plasma exchange, her ocular complications persisted for more than a year. The four drugs administered in this case (cabergoline, medroxyprogesterone acetate, clomiphene, and intravenous human chorionic gonadotropin) have never been reported to induce SJS. Based on this case, we suggest that obstetricians, gynecologists, and dermatologists should be aware of fertility treatment‐induced severe drug eruptions.

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