Pathology Grand Rounds - Overlapping Features of Primary Cutaneous Small/Medium CD4 Positive T Cell Lymphoproliferative Disorder and Primary Cutaneous Marginal Zone Lymphoma: A Potential Diagnostic Pitfall

At the conclusion of this activity, participants should be able to:

* Discuss the clinicopathologic features of primary cutaneous small/medium CD4+ T cell lymphoproliferative disorder (CD4+ TLPD)

* Discuss the clinicopathologic features of primary cutaneous marginal zone lymphoma (PCMZL)

* Identify overlapping features of CD4+ TLPD and PCMZL and the limitations in diagnosis