Pathology, research and practice · 2016
Vulvar mucinous adenocarcinoma with neuroendocrine differentiation: A case report and review of the literature.
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van Rosmalen M H J, Reijnen C, Boll D, Pijnenborg J M A, van der Wurff A A M, Piek J M J
Аннотация
BACKGROUND: There are limited cases in literature of patients with mucinous adenocarcinoma of the vulva with neuroendocrine differentiation have. With this new case, we aim to provide an overview of the existing literature and present a tool with relevant markers for the pathologist in the differential diagnosis.
CASE DESCRIPTION: A 92-year-old multiparous, Caucasian woman presented with a 8 cm spherical tumor of the left major labium. Since the initial punch biopsy was not conclusive, a local resection was performed. Histopathological examination showed mucus production, large pools of mucin with trabeculae and cribriform glandular structures with strongly atypical columnar epithelium. Additional immunohistochemical analysis demonstrated expression of: CEA, CK7, EMA, and the neuroendocrine markers synaptophysin and chromogranin supporting the diagnosis.
CONCLUSION: In this report, we present a new case of a mucinous adenocarcinoma of the vulva with neuroendocrine differentiation based immunohistochemical analysis. Due to the indolent tumor behavior, partial vulvectomy is the therapy of choice.
CASE DESCRIPTION: A 92-year-old multiparous, Caucasian woman presented with a 8 cm spherical tumor of the left major labium. Since the initial punch biopsy was not conclusive, a local resection was performed. Histopathological examination showed mucus production, large pools of mucin with trabeculae and cribriform glandular structures with strongly atypical columnar epithelium. Additional immunohistochemical analysis demonstrated expression of: CEA, CK7, EMA, and the neuroendocrine markers synaptophysin and chromogranin supporting the diagnosis.
CONCLUSION: In this report, we present a new case of a mucinous adenocarcinoma of the vulva with neuroendocrine differentiation based immunohistochemical analysis. Due to the indolent tumor behavior, partial vulvectomy is the therapy of choice.