Sweat Gland Carcinoma With Neuroendocrine Differentiation of the Areola as a Potential Clinicopathologic Mimicker of Male Breast Carcinoma and Syringocystadenocarcinoma Papilliferum.
Journal
The American Journal of dermatopathology
ISSN: 1533-0311
Titre abrégé: Am J Dermatopathol
Pays: United States
ID NLM: 7911005
Informations de publication
Date de publication:
01 Nov 2022
01 Nov 2022
Historique:
pubmed:
5
8
2022
medline:
19
10
2022
entrez:
4
8
2022
Statut:
ppublish
Résumé
Sweat gland carcinoma with neuroendocrine differentiation (SCAND) is a newly proposed tumor entity of primary cutaneous apocrine/eccrine adnexal tumor with neuroendocrine differentiation. The histopathologic variations are not yet well known. In this article, we present a case of SCAND mimicking male breast cancer and syringocystadenocarcinoma papilliferum. A 68-year-old man presented with a reddish 12-mm nodule on his left areola. No lymph node or distant metastases were observed. The patient was disease free 1 year and 9 months after the tumor was surgically resected but died of cerebral hemorrhage. Histopathological examination revealed a predominantly intradermal tumor with marked syringotropism, mimicking a component of mammary ductal carcinoma in situ. In addition, another tissue section displayed a cup-shaped papillated tumor with syringocystadenocarcinoma papilliferum-like features, which were also seen because of marked syringotropism. Diffuse immunoexpression of cytokeratin 7, cytokeratin 19, chromogranin A, synaptophysin, INSM1, estrogen receptor, carcinoembryonic antigen, epithelial membrane antigen, and GATA3 was observed in the tumor, but no BRAF immunoexpression was seen. The present case would help us to understand the histopathological variation and differential diagnosis of SCAND. The histopathological diagnosis of male breast cancer or syringocystadenocarcinoma papilliferum should be made by ruling out SCAND.
Identifiants
pubmed: 35925548
doi: 10.1097/DAD.0000000000002262
pii: 00000372-202211000-00014
doi:
Substances chimiques
Chromogranin A
0
Keratin-19
0
Keratin-7
0
Mucin-1
0
Receptors, Estrogen
0
Repressor Proteins
0
Synaptophysin
0
INSM1 protein, human
147955-03-1
Types de publication
Case Reports
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
850-854Informations de copyright
Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.
Déclaration de conflit d'intérêts
The authors declare no conflicts of interest.
Références
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