The primary tumour

The radiological diagnosis of a primary tumour depends partly on the size and site of tumour and mode of clinical presentation. For example, a small pituitary gland tumour may be only just visible on high-resolution magnetic resonance (MR) imaging yet be clinically obvious, whereas an asymptomatic 10 cm pulmonary carcinoma may only be discovered accidentally on a chest X-ray performed prior to anaesthesia. The appearance of primary tumours on imaging may be characteristic but only cytology and histology give definitive proof of tumour type. Tumours may produce their clinical effects by:

♦ Paraneoplastic effects

0 0

Post a comment