Case report Primary adenocarcinoma of epididymis Tapan Kumar Sahoo et al. 2015 SEAJCRR MARCH-APRIL 4(2) ISSN ONLINE: 2319-1090 Page 1538 Primary Adenocarcinoma of epididymis: A case report and review of literature Tapan Kumar Sahoo, 1 Ipsita Dhal, 2 Saroj Kumar Das Majumdar, 3 Dillip Kumar Parida 4 ABSTRACT Primary tumours of the epididymis are rare and usually benign, with adenomatoid accounting for single most pathology. Most common paratesticular malignant tumours are rhabdomyosarcoma. Malignant epididymal tumours are rare and present as either primary or metastatic lesions. Case report: We present a rare case of carcinoma of the left epididymis in a 72 year-old man. This case is clinicoradiologically suspected as a case of carcinoma of the left epididymis. The pathological diagnosis was adenocarcinoma of the epididymis. The patient was treated by surgery and radiotherapy and is disease free since 9 months after treatment. Key wards: Primary carcinoma, epididymis, adenocarcinoma 1 Senior Resident, 3 Assistant Professor 4 Professor and Head Department of Radiation Oncology, All India Institute of Medical Sciences, Bhubaneswar, Odisha. 2 Post Graduate student, Department of Pathology, Shrirama Chandra Bhanj Medical College, Cuttack, Odisha. Corresponding author mail: drtapankumars8@gmail.com INTRODUCTION Primary adenocarcinoma of the epididymis is rare malignancy with approximately 60 cases reported in the literature till 2013. [1] Because of the rarity, its etiology and histogenesis is still unclear. It usually occurs in men older than 60 years, although the age can range from 17 to 91 years. [2] The clinical manifestation is non- specific one. The most common manifestation is painless scrotal swelling. We report a case of adenocarcinoma of the left epididymis in a 72 year male, with history of phimosis since childhood and initial presentation of hydrocele with painless upper scrotal swelling. CASE REPORT: A 72 year-old male patient with history of phimosis since childhood, underwent circumcision due to recurrent urinary tract infection in 1998. He developed hydrocele of the left testis in 1999 and operated, and developed left paratesticular mass from 2010. FNAC from the mass revealed adenocarcinoma. Ultrasound of the