Journal of Pathology and Translational Medicine

Case Reports

Touch Imprint Cytology of Adenomatoid Tumor of the Tunica Albuginea: A Case Report.: Jong Im Lee; Korean J Cytopathol. 2008;19(1):47-51.; DOI: https://doi.org/10.3338/kjc.2008.19.1.47

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Adenomatoid tumor is a benign neoplasm of a mesothelial origin, and it usually occurs in the reproductive organs, especially in the epididymis. The author experienced a case of adenomatoid tumor involving the tunica albuginea and testicular parenchyme without any evidence of epididymis involvement. The patient was a 36-year-old man with a painless scrotal mass that he had experienced for 2 months, and this mimicked testicular neoplasia, including metastatic carcinoma, or other benign lesions. The imprint cytology of the tumor showed a hypocellular smear with mainly arranged cells in cohesive monolayered clusters along with occasional singly dispersed cells and naked nuclei in a clean background. The cellular clusters formed vague glandular and cord-like structures. The tumor cells were large polygonal to columnar cells with a relatively monomorphic appearance. The nuclei were oval to round shape and they showed vesicular, fine chromatin and inconspicuous nucleoli. The cytoplasm was moderate to abundant, and it contained fine vacuoles in some tumor cells. Mitoses and cellular pleomorphism were not present. Awareness of the cytologic finding of this lesion is necessary to screen or differentiate a testicular or paratesticular mass before and/or during surgery because the cytology may be useful as a diagnostic tool. Pathologists should be aware of the cytologic features of common lesions in this anatomic region so as to avoid performing aggressive and unnecessary surgical procedures.

Citations

Citations to this article as recorded by

Adenomatoid Tumor of the Tunica Albuginea in a Boy: A Case Report and Literature Review
Kaimin Guo, Runhui Tian, Lingyun Liu, Congqi Du, Fubiao Li, Hongliang Wang
Case Reports in Urology.2015; 2015: 1. CrossRef
Aspiration cytology of adenomatoid tumor of epididymis: An important diagnostic tool
S. Gupta, S. Garg, R. Agarwal, R. Sen
Journal of Surgical Case Reports.2012; 2012(4): 11. CrossRef

A Diagnostically Challenging Case of an Infarcted Adenomatoid Tumor of the Epididymis.: Sunhee Chang, Sang Hwa Shim, Ji Eun Kwak, Mee Joo, Hanseong Kim, Je G Chi, Keon cheol Lee; Korean J Pathol. 2008;42(4):229-231.

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Abstract PDF: We describe a case of an infarcted adenomatoid tumor of the epididymis that was challenging to diagnose. A 20-year-old man presented with acute left scrotal pain. He was found to have a 2x1.5x1 cm tumor that was relatively well circumscribed on gross examination. There was a central necrotic area that exhibited gaping spaces and ghost outlines of epithelial cells. The periphery of the necrotic lesion showed focally viable adenomatoid tumor. The majority of the tissue adjacent to the necrosis consisted of granulation tissue, fibroblastic and myofibroblastic proliferation, and neutrophils. The fibroblasts and myofibroblasts showed plump nuclei, often with small nucleoli. No mitotic activity was present. The differential diagnosis for an infarcted adenomatoid tumor includes malignant mesothelioma, inflammatory myofibroblastic tumor, and inflammatory conditions. The key to diagnosing an infarcted adenomatoid tumor is to consider it in the differential diagnosis of any spindle cell tumor with necrosis occurring in the genital tract.

Giant Cystic Adenomatoid Tumor of the Uterus: A Case Report.: Mi Jin Kim, Mi Jin Gu; Korean J Pathol. 2004;38(6):415-418.

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Abstract PDF: Adenomatoid tumor of the uterus is a rare benign tumor of the uterine serosa and myometrium. It usually appears as a small nodular lesion having a distinctive histologic appearance. We describe a case of 67-year old female with a large, grossly cystic adenomatoid tumor 7x7 cm in dimension that was located at the right uterine cornus. Microscopically the tumor had unusually extensive solid proliferation of signet ring cells with large vacuoles in their cytoplasm. Also, adenoid and honeycomb-like cystic patterns were observed. The immunohistochemical and ultrastructural studies demonstrated the mesothelial origin.

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