testicular cancer Flashcards
how does testicular cancer usually present?
young male with painless testicular lump which is firm
what are the 3 main types of testicular cancer?
- germ cell tumours - most common
- non germ cell tumours
3, lymphoma-> non hodgkin lymphoma, and most common in elderly
what are risk facts for testicular cancer?
Young males: seminoma > 35 years; non-seminoma < 35 years
Caucasian
Family history
Infertility: 3-fold increased risk
Cryptorchidism: highest risk in abdominal and bilateral undescended testes
Intersex conditions: e.g. Klinefelter’s syndrome
Mumps orchitis
Testicular atrophy: often following trauma
what type of imaging is used for diagnosis of testicular cancer?
Ultrasound testicular doppler
what types of signs and symptoms may be present?
SYMPTOMS:
- Painless lump
- hyperthyroidism because the tumour marker BHCG can mimic thyroid
- breathlessness-> lung mets
- bone pain-> skeletal mets
SIGNS
- firm non tender testicular mass which doe not transluminate
- supraclavicular lymphadenopathy
what is the tumour marker present for a seminoma?
Occasionally β-hCG (20%)
which types of germ cell tumours have AFP as their tumour marker?
- embryonal carcinoma
- teratoma
- yolk sac tumour
which germ cell tumours have BHCG as their tumour marker?
- seminoma
- choriocarcinoma
why should biopsy of tumours not be taken for diagnosis?
due to the risk of seeding. Histological examination may be performed post-orchiectomy
what is the 5 year survival?
95%