Leydig cell tumour

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Obesity, Sleep & Internal medicine
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Leydig cell tumour
Synonyms	Leydig cell tumor
Pronounce	N/A
Specialty	N/A
Symptoms	Testicular mass, gynecomastia, infertility, virilization
Complications	Metastasis
Onset	Typically in adulthood
Duration	Variable
Types	Testicular, ovarian
Causes	Unknown
Risks	Genetic predisposition
Diagnosis	Histopathology, imaging studies
Differential diagnosis	Sertoli cell tumor, germ cell tumor
Prevention	None known
Treatment	Surgery, radiation therapy, chemotherapy
Medication	None specific
Prognosis	Generally good if localized
Frequency	Rare
Deaths	N/A

Leydig cell tumour

Leydig cell tumour

Leydig cell tumour

Leydig cell tumour is a rare, usually benign, neoplasm that originates from the Leydig cells in the testis. It is named after the German anatomist Franz von Leydig, who first described these cells in 1850.

Epidemiology

Leydig cell tumours account for 1-3% of all testicular neoplasms. They are most commonly diagnosed in adults aged 30-60, but can occur at any age, including in children.

Pathophysiology

Leydig cells are found within the interstitial tissue of the testis and are responsible for the production of testosterone. In Leydig cell tumours, these cells proliferate abnormally, leading to the formation of a tumour.

Clinical Presentation

Patients with Leydig cell tumours may present with a testicular mass or swelling. Some patients may also have symptoms related to increased testosterone production, such as gynecomastia (enlargement of male breast tissue), accelerated growth in children, or virilization (development of male secondary sexual characteristics) in females.

Diagnosis

The diagnosis of Leydig cell tumour is usually confirmed by histopathology following surgical removal of the tumour. Imaging studies such as ultrasound and magnetic resonance imaging (MRI) can also be used to identify and characterize the tumour.

Treatment

The primary treatment for Leydig cell tumours is surgical removal of the tumour, known as orchiectomy. In some cases, testis-sparing surgery may be possible. The role of chemotherapy and radiotherapy in the treatment of Leydig cell tumours is currently unclear and is the subject of ongoing research.

Prognosis

The prognosis for patients with Leydig cell tumours is generally good, as the majority of these tumours are benign. However, a small proportion of Leydig cell tumours can be malignant and may spread to other parts of the body.

See Also

• Testicular cancer
• Testicular self-examination
• Germ cell tumour

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