Epididymal cyst
Epididymal Cyst[edit | edit source]
An epididymal cyst is a fluid-filled sac that develops in the epididymis, which is a coiled tube located at the back of the testicle that stores and carries sperm. These cysts are generally benign and are often discovered incidentally during physical examinations or imaging studies.
Anatomy and Physiology[edit | edit source]
The epididymis is an essential part of the male reproductive system. It is a long, coiled tube that connects the efferent ducts from the rear of each testicle to its vas deferens. The primary function of the epididymis is to store and mature sperm cells produced by the testes.
Pathophysiology[edit | edit source]
Epididymal cysts are thought to arise from the obstruction of the efferent ducts within the epididymis, leading to the accumulation of fluid. These cysts are typically filled with a clear, serous fluid and are usually painless. They can vary in size and may be solitary or multiple.
Clinical Presentation[edit | edit source]
Most epididymal cysts are asymptomatic and are found incidentally. However, some patients may present with a palpable mass in the scrotum, which is usually smooth and non-tender. In rare cases, larger cysts may cause discomfort or a feeling of heaviness in the scrotum.
Diagnosis[edit | edit source]
The diagnosis of an epididymal cyst is typically made through a combination of physical examination and imaging studies. An ultrasound is the most common imaging modality used to confirm the presence of a cyst. On ultrasound, epididymal cysts appear as anechoic (dark) areas with well-defined borders.
Treatment[edit | edit source]
In most cases, epididymal cysts do not require treatment unless they are causing symptoms. If intervention is necessary, options include:
- Observation: Regular monitoring if the cyst is asymptomatic.
- Surgical excision: Removal of the cyst if it is large or symptomatic.
- Aspiration: Draining the fluid from the cyst, although this is less commonly performed due to the risk of recurrence.
Prognosis[edit | edit source]
The prognosis for individuals with epididymal cysts is excellent, as these cysts are benign and do not affect fertility or increase the risk of testicular cancer.
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