*Dermatopathology Service, Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY;

†Hematopathology Service, Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY;

‡Lymphoma Service, Division of Hematologic Malignancies, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY;

§Dermatology Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY;

¶Diagnostic Molecular Pathology Laboratory, Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY; and

║Dermatopathology and Bone & Soft Tissue Services, Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY.

Correspondence: Konstantinos Linos, MD, Department of Pathology & Laboratory Medicine, Memorial Sloan Kettering Cancer Center, 1275 York Av., New York, NY 10065 (e-mail: [email protected]).

MSK NIH Funded Grant# P30 CA08748.

The authors declare no conflicts of interest.

This case was presented at the 59th Annual Meeting of the American Society of Dermatopathology; Chicago, IL.

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