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Testicular Tumours

Testicular Tumours. Mr C Dawson Consultant Urologist Edith Cavell Hospital Peterborough. Incidence of Testicular tumours. 1-2% of all tumours in men The most common tumour in men aged 20-35, excluding leukaemia Incidence of approx 2 cases / year/ 100,000 men in population

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Testicular Tumours

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  1. Testicular Tumours Mr C Dawson Consultant Urologist Edith Cavell Hospital Peterborough

  2. Incidence of Testicular tumours • 1-2% of all tumours in men • The most common tumour in men aged 20-35, excluding leukaemia • Incidence of approx 2 cases / year/ 100,000 men in population • Higher incidence in caucasians • Right side > left side • Incidence is increasing

  3. Aetiology of testicular tumours • [Chemical] • [viral] • Trauma to testicle • Atrophy of testicle • Cryptorchidism

  4. Classification of Testicular tumours Primary Germ cell (97%) Seminoma Non-seminoma Embryonal carcinoma Teratoma Choriocarcinoma Yolk sac tumours Non Germ cell tumours (3%) Secondary (Metastasis) - 0.9% of all: Prostate, bronchus, pancreas, melanoma, bladder TCC, Thyroid Ca

  5. Classification of testicular tumours

  6. Seminoma • 42% of all testis tumours • Tend to appear later than other tumours (mean 31-41 yrs) • More common than NSGCT in undescended testis

  7. Non-seminoma germ cell tumours (NSGCT) • Embryonal carcinoma 76% • Teratoma 5% • Choriocarcinoma 1% • Approx 25% are mixed types • commonly embryonal carcinoma and teratoma (aka “teratocarcinoma) - 64 % also contain seminoma • Embryonal carcinoma and seminoma (5%) • Yolk sac tumours - does not occur on its own in adults

  8. NSGCT • Teratoma • Yolk-sac Tumour

  9. Symptoms and Signs • Swelling • Fullness or heaviness in scrotum • Occasionally pain • Rarely - symptoms of metastatic disease • Haemoptysis • Supraclavicular mass (lymph node) • Abdominal mass • Occasionally, systemic endocrine effects, e.g. gynaecomastia

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