Dear user,
Thanks for your question. There may be a few possibilities
1
Epididymal cyst. These are the small cysts (fluid-filled sacs) that can appear in the
epididymis, usually cause no discomfort or pain. Usually, the doctor can diagnose it clinically, but sometimes an
ultrasound may be needed to confirm the cyst. They are left alone if not infected, very big (which need needle aspiration of fluid in it), or painful. rarely they may need removal by operation if causing suspicion or trouble.
2 Spermatocele: this is a cyst which feels like an epididymal cyst but it is filled with sperm (semen). Again managed conservatively most of the times.
3 Varicocele: this is like
varicose veins of the small veins next to one testicle (testis) or both testes. It is usually described as feeling like a 'wriggling bag of worms'. This is managed with surgery mostly, after preliminary investigations to see whats causing opressure on the testicluar veins.
4 Lipoma: this is a fatty lump which can sometimes cause difficulty because it can be felt separate from the testis, just like an epididymal cyst.
So I suggest if it is soft and doesn't increase in size, you can wait for the appointment. Just keep an eye on it.
Do write back if there are any more concerns.
Thanks