Epididymal lesions | Radiology Reference Article - Radiopaedia.org
2022年11月15日 · Epididymal lesions are most commonly encountered on ultrasonography. Most epididymal lesions are benign; malignant lesions are rare. Benign solid lesions. adenomatoid tumor of the scrotum: most common epididymal mass 4. epididymal leiomyoma. papillary cystadenoma of the epididymis. sperm granulomas / post-vasectomy granuloma. sarcoidosis ...
Benign and Malignant Epididymal Masses Evaluated With Scrotal ...
2008年8月1日 · Most solid epididymal masses (94%) are benign. A size of greater than 1.5 cm and the presence of color Doppler flow may help identify possible malignant masses.
Adenomatoid tumour of epididymis: ultrasonographic evaluation …
2015年7月21日 · Ultrasound is the primary imaging modality to characterize and accurately locate intrascrotal masses, excluding the presence of cysts. [1, 2] AT appear as solid, well-circumscribed extratesticular rounded or oval-shaped masses of variable echogenicity.
Radiopaedia.org, the peer-reviewed collaborative radiology …
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Adenomatoid Tumor of Testis - PMC - PubMed Central (PMC)
Diagnostic studies include serum tumor markers (negative alpha fetoprotein, beta HCG, LDH) ultrasonography (hypoechoic and homogenous appearance) and frozen section. Keywords: adenomatoid tumor, paratesticluar masses. Adenomatoid tumors are rare and benign tumors of the male and female genital tract.
Epididymis examined by ultrasound. Correlation with pathology.
Ultrasound has been used to study focal cystic and solid lesions of the epididymis as well as inflammatory processes. Correlation with pathology has yielded a clearer understanding of the sonographic findings and aided in the evaluation of disease.
Pathology Outlines - Adenomatoid tumor
2020年1月28日 · Adenomatoid tumors rarely involve the testicular parenchyma and are the most common paratesticular tumor. Microscopic infiltration may be misinterpreted as invasion but may occur and the tumor still has a benign course.
[Adenomatoid tumor of the epididymis. Ultrasonographic diagnosis and ...
Ultrasound sonography was performed by a 5.5-7.5 double scanned MHz probe. Results: USS of the scrotum revealed, in two cases, an anechoid-hypoechoid mass, localized on the epididymal tail. One patient was admitted to the hospital with clinical symptoms of acute torsion of the testis, but no torsion was found at surgical examination.
Pathology Outlines - Adenocarcinoma of epididymis
2014年10月1日 · Tumors are centered on epididymis; may be confined to epididymis or may infiltrate adjacent tissue Pathophysiology Believed to arise from metaplastic epididymal epithelium
Pathology Outlines - Papillary cystadenoma
2014年12月1日 · Second most common benign neoplasm of epididymis after adenomatoid tumor; Sporadic or familial Unilateral or bilateral (40%) Mean age 36 years Associated with von Hippel-Lindau (VHL) disease; 65% with bilateral tumors have VHL vs. 18 - 20% with unilateral lesions (Arch Pathol Lab Med 2010;134:630)