Sweat gland adenocarcinoma with high serum levels of CA19-9 and CEA: difficulty in diagnosis and treatment

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Jungmyung Park
Se-Il Go
Myung Hee Kang
Won Sup Lee
Min Jeong Lee
Moon Jin Kim
Hoon-Gu Kim
Dong Chul Kim
Jeong-Hee Lee
Gyung Hyuck Ko

Keywords

sweat gland neoplasm, CA 19-9, CEA, Eccrine ductal adenocarcinoma

Abstract

Sweat gland adenocarcinoma is a rare form of adenocarcinoma of the skin. Its occurrence has been reported mainly on the scalp, upper extremities, or upper trunk. Even though it metastasizes to other major organs, we may not have difficulty in differentiating between primary lesions and metastatic lesions. Here, we will describe a 70-year-old Korean man with a diagnosis of adenocarcinoma accompanying high serum levels of CA 19-9 and CEA. PET-CT revealed multiple high glucose uptake lesions in the pancreas, lung, and submandibular gland. The final diagnosis was high grade eccrine ductal adenocarcinoma (type III) in sweat gland adenocarcinoma. The clinical course of this case was very aggressive in contrast to previously reported cases where sweat gland adenocarcinoma had a long indolent clinical course. This patient succumbed to disease progression 3 months after diagnosis.
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