Cutaneous Metastasis of Choriocarcinoma in 2 Male Patients: A Rare Presentation of an Aggressive Malignancy That Dermatopathologists Must Recognize

Abstract: Testicular choriocarcinoma needs to be considered in the differential diagnosis of cutaneous metastases in young adult men because of its propensity for early hematogenous dissemination. Furthermore, the diagnosis may not be suspected in many cases in which there is clinically no testicular enlargement. This highly aggressive germ cell tumor typically metastasizes to the liver, lungs, and brain. Skin metastasis is exceedingly rare with only 22 cases previously reported in the world literature. We herein report 2 additional cases: a 25-year-old man and a 32-year-old man, both of whom were treated for mixed germ cell tumors and developed multiple cutaneous metastases to the head. Correspondence: Robert E. LeBlanc, MD, Dartmouth-Hitchcock Medical Center, One Medical Center Drive, Lebanon, NH 03756 (e-mail: Robert.E.LeBlanc@hitchcock.org). The authors declare no conflicts of interest. Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.

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