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Acta Cytol. 2009 Jul-Aug;53(4):467-70.

A diagnostic pitfall of fine needle aspiration cytology in testicular papillary serous cyst adenoma: a case report.

Author information

1
Department of Pathology, Cancer Research Institute, Shiraz Medical School, Shiraz, Iran. kumarv@sums.ac.ir

Abstract

BACKGROUND:

Testicular neoplasmns resembling ovarian serous tumors are rarely reported. We describe the first fine needle aspiration biopsy (FNAB) finding of this type of tumor.

CASE:

A 35-year-old man presented with an enlarged right testis. Based on clinical observation, we hypothesized that it was a malignant tumor. FNA cytology findings revealed numerous papillary clusters, glandular-like structures and many isolated round cells. Metastatic papillary adenocarcinoma was suspected based on FNAB cytology. A right radical orchiectomy was performed, and histologic tissue examination was used to diagnose the tumor as a benign papillary serous cystadenoma.

CONCLUSION:

Papillary serous cystadenoma of the testis is a rare tumor. The cytologic findings of this tumor are confusing and difficult to diagnose. Clusters of epithelial cells with a high nuclear to cytoplasm ratio are mistaken for features of a malignant tumor.

PMID:
19697740
[Indexed for MEDLINE]
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