What should you know about a germ cell tumour?

Germ cell tumours may be benign or cancerous and include different types, such as seminoma and teratoma. They can arise in the testicle or ovary, or in areas such as the chest or abdomen. Symptoms depend on location and may include a lump, swelling, discomfort, pressure, or changes related to nearby organs.

Doctors usually combine examination, imaging, blood tests, and tissue assessment when appropriate. The tumour's type, location, size, and spread guide the treatment plan.

Arrange assessment for a persistent or enlarging lump, unexplained swelling, or ongoing pressure symptoms. Bring a list of medicines and previous reports. Ask whether fertility preservation should be discussed before treatment, because surgery or chemotherapy can affect reproductive function.

Treatment may involve tumour removal surgery, chemotherapy, or both. The sequence depends on the tumour type and its location; your oncology team can explain the aim of each step.

Seek urgent assessment for sudden severe testicular or abdominal pain, repeated vomiting, fainting, rapidly increasing swelling, or difficulty breathing. These symptoms can reflect pressure, bleeding, twisting, or another emergency and should not wait for a routine appointment.

Ask which germ cell tumour type is suspected, what tests will confirm it, whether fertility preservation is relevant, how treatment could affect daily life, and how the team will monitor the response.