Background: Testicular calculus is an extremely rare entity with a less-known etiopathogenesis. To our knowledge, there have been only a handful of cases, likely less than 10. In this article we report one of the cases of testicular calculus. Case Report: A 72-year-old man presented with a history of painful testicular swelling. After a thorough diagnostic work-up to rule out possible neoplastic etiology, he underwent left orchiectomy and the sample was sent to our laboratory for histopathologic examination. It revealed a testicular calculus. Solid testicular lesions in older adults are genera Discussion and Conclusion: lly suggestive of infective etiology, trauma, and sometimes neoplastic etiology. Differential diagnosis should be done with caution. In patients with solid testicular mass with hyperechogenic appearance on scrotal ultrasonography, testicular calculus must be kept in mind in differential diagnosis. Further studies on this topic will help us better understand the etiology and treatment of this rare disease .