Aspiration biopsy. An aid in the diagnosis of para-nasal tumours

Three cases are reported to demonstrate (1) the difficulty in diagnosing the nature of nasopharyngeal tumours (2) the assistance given by the fine-needle aspiration biopsy technique in cases of paranasal tumours. Reliance should not be placed on this technique alone. It should be performed at the initial examination together with conventional techniques. In this way, the patient may be spared the need for multiple anaesthetics and a diagnosis may be arrived at more promptly so that treatment may be instituted more quickly.