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Cervical adenocarcinoma with stromal micropapillary pattern

Adenocarcinoma with a stromal micropapillary pattern (SMP) has been described in various organs, but not in the uterus. We encountered a case of uterine cervical carcinoma with SMP. A54‐year‐old Japanese woman was referred to the hospital with abnormal vaginal bleeding. The cervical cytodiagnosis was adenocarcinoma with features resembling serous adenocarcinoma. Cervical cytology showed many small clusters of tumor cells, present in up to two or three layers, composed of atypical cells with markedly increased nucleus: cytoplasm ratios. A radical hysterectomy with bilateral adnexectomy and retroperitoneal lymph node dissection was performed. Microscopically, the tumor was composed predominantly of adenocarcinoma with SMP. The outer surface of the SMP cell clusters showed membranous expression of mucin‐1 (MUC‐1). Many lymph node metastases were detected. The tumor was diagnosed as a cervical adenocarcinoma with SMP and coexistent squamous cell carcinoma in situ. The pathology was classified as T1b1N1M1, stage IVB. The patient underwent postoperative adjuvant chemotherapy and is without local recurrence or distant metastasis 48 months after the operation. To the best of our knowledge, this is the first reported case of cervical adenocarcinoma with SMP. Diagn. Cytopathol. 2016;44:133–136. © 2015 Wiley Periodicals, Inc.