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Squamoid Eccrine Ductal Carcinoma

An Aggressive Mimicker of Squamous Cell Carcinoma

Mckissack, Sterling S., MD*; Wohltmann, Wendi, MD*; Dalton, Scott R., DO; Miletta, Nathanial R., MD*

The American Journal of Dermatopathology: February 2019 - Volume 41 - Issue 2 - p 140–143
doi: 10.1097/DAD.0000000000001214
Extraordinary Case Report

Abstract: Squamoid eccrine ductal carcinoma (SEDC) is an uncommon cutaneous adnexal malignancy that has the potential for an aggressive clinical course. The authors present a case of SEDC that resulted in widespread metastases and death. The clinical, histological, and immunohistochemical features of SEDC and several entities on the differential diagnosis are reviewed.

Departments of *Dermatology, and

Pathology, San Antonio Uniformed Services Health Education Consortium, San Antonio, TX.

Correspondence: Sterling S. Mckissack, MD, 1100 Wilford Hall Loop, Building 4554, JBSA Lackland, TX 78236 (e-mail:

The authors declare no conflicts of interest.

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