Background: Fine needle aspiration cytology (FNAC) assisted with scrotal ultrasonography is the best preoperative diagnostic modality for palpable epididymal nodules. It also aids in their successive remedial approach as well as serves semi-therapeutically in cystic lesions. The objectives of this study are to recognize the spectrum of pathological conditions giving rise to epididymal nodules, then to compare them with corresponding ultrasound images, and to evaluate the histological features wherever practicable.
Methods: Total 62 patients underwent FNAC as well as sonographic evaluation for their epididymal nodules. Histopathology was performed in only 20 cases.
Results: Epididymitis either caused by tuberculosis (30.6%), or in its acute (11.3%) and chronic (8.1%) forms remained the commonest cytological diagnosis. Neoplastic lesions included mostly adenomatoid tumors (8.1%), and another case of seminomatous spread from ipsilateral testicular primary. Nineteen of the excised masses corroborated with their respective cytodiagnoses. The discrepant lesion was actually a papillary cystadenoma, which was cytologically misinterpreted as adenomatoid tumor.
Conclusions: FNAC becomes the first-hand investigative measure for epididymal nodules, by virtue of its early, easy and highly accurate diagnostic implications. It segregates the patients into proper therapeutic protocol and thereby estranges those who really need operative management. When deployed together with ultrasound, the diagnostic accuracy of FNAC improves further.
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