Abstract
BackgroundAdenomatoid tumors are regarded as distinctive benign mesothelial neoplasms of the paratesticular region, most commonly occuring at the tail of the epididymidis.Because of its rarity, the clinical and histopathological aspects are discussed.Case presentationWe present the case of a 41-year-old patient with an adenomatoid tumour located in the tail of the left epididymis that referred to our department with gradual enlarged intrascrotal mass. The diagnosis was achieved by echography, and was confirmed by surgical excision and histological analysis.ConclusionDue to its low incidence in intrascrotal pathology, we believe it is important for the physician to be aware of this interesting entity in order to make a differential diagnosis from other inflammatory processes and to adopt the proper surgical approach.
Highlights
Adenomatoid tumors are regarded as distinctive benign mesothelial neoplasms of the paratesticular region, most commonly occuring at the tail of the epididymidis.Because of its rarity, the clinical and histopathological aspects are discussed.Case presentation: We present the case of a 41-year-old patient with an adenomatoid tumour located in the tail of the left epididymis that referred to our department with gradual enlarged intrascrotal mass
The histological pattern of the tumor is characterized by tubules, cords, and small nests, formed of cuboidal cells with vacuolated cytoplasm, and we may discriminate three kinds of adenomatoid tumor:plexiform, glandular and angiomatoid
The patient subsequently underwent a total left orchiectomy-epididymectomy, which revealed a white, crescentshaped, well circumscribed tumor, about 1,5 cm, without involvement of the testicular parenchyma. Histological appearance of this paratesticular tumor is represented by cuboidal cells, with vacuolated cytoplasm and with gaping spaces (Fig. 1)
Summary
The diagnostic considerations may include carcinoma of rete testis, malignant mesothelioma, ovarian-type epithelial tumors, epididymidal carcinoma and metastatic carcinoma. Adenomatoid tumors were first described in 1945 by Golden et al as a small firm asymptomatic intrascrotal mass, with no pain or tenderness, occurring in third to fifth decades of life. The histological pattern of the tumor is characterized by tubules, cords, and small nests, formed of cuboidal cells with vacuolated cytoplasm, and we may discriminate three kinds of adenomatoid tumor:plexiform, glandular and angiomatoid.
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