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In this case report, we presented a case of pediatric sertoliform cystadenoma of rete testis which was reported for the second time in the literature and treated for the first time with a testis-sparing approach. A 12 years old boy presented with painless mass in the scrotum. Magnetic resonance imaging showed extratesticular, 4.7x3.8 centimeter, well-circumscribed solid mass with heterogenous high degree vascularity at the postcontrast series, deplasing right testicle to inferomedial. The patient underwent tumor resection without any complication. Histologic examination revealed 5x5x3 centimeter nodular mass containing uniform tubular adenomatous tumoral proliferation. Immunohistochemical examination of the tumor cells showed positivity for panCK, vimentin and WT1. A diagnosis of sertoliform cystadenoma was rendered in the case. The current case is the largest and the second pediatric case in the literature. Sertoliform cystadenoma is a benign extratesticular mass and can be treated with a testis sparing approach. [ABSTRACT FROM AUTHOR]

Localized amyloidosis in the breast is a very rare disease and may mimic malignant lesions. A 60-year-old woman who had a history of breastconserving surgery presents with a new a well-defined oval opacity accompanied by many round tight clustered micro- and macrocalcifications on mammograms. It could not be visualized sonographically due to the intense posterior acoustic shadowing of the fat necrosis areas and contrast enhancement was not detected in this area on the dynamic contrast enhanced magnetic resonance images. At pathological examination breast amyloidosis was detected. Amyloidosis of the breast is a rare disease, but it can mimic malignancy and should be included in the differential diagnosis. [ABSTRACT FROM AUTHOR]