What does it mean if there’s a small lump on the testicle?

Small lumps on the testicles may be associated with conditions such as epididymitis, testicular tumors, or epididymal tuberculosis.

① Epididymitis

The epididymis is a crescent-shaped organ attached to the testicle, comprising three parts: the head, body, and tail of the epididymis. Palpable hard nodules are usually localized to one part of the epididymis and generally do not warrant excessive concern. However, if the nodule is tender upon palpation—often accompanied by a sensation of swelling or discomfort—it may indicate epididymal inflammation.

② Testicular Tumor

The primary clinical manifestations of testicular tumors include testicular enlargement and increased firmness. On physical examination, the affected testicle often feels like a “stone in the hand” (i.e., extremely hard), is painless upon gentle compression, and may produce a sensation of heaviness or dragging. Prompt medical evaluation is essential for accurate diagnosis and appropriate management. Benign tumors typically require no specific treatment beyond regular follow-up examinations; malignant tumors, however, necessitate surgical intervention.

③ Epididymal Tuberculosis

In males with epididymal tuberculosis, testicular hard nodules may appear in a “string-of-beads” pattern. This condition requires both anti-tubercular drug therapy and, in many cases, surgical excision. Additionally, patients with varicocele may experience palpable, tortuous, hardened veins within the scrotum; surgical correction is often indicated.