SUMMARY A technique of transrectal aspiration biopsy of the prostate gland is presented by which material may be obtained for cytological study. This procedure, which may prove useful for detecting early prostatic carcinoma, has been performed about a hundred times without complications of any kind.

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Cytologic reports from aspiration biopsy in 1000 salivary gland lesions have been compared with clinical and histological observations.The cytologic reports on the aspirated material yielded a positive tuniour diagnosis in roughly 92% of the cases with histologically verified tumours. In addition to simple confirmation of turnour presence information concerning the histologic type of tumour was obtained in about 70% of the material. The main reason for this lower figure was difficulty in recognizing cystadenolymphoma and the malignant variants of the salivary gland tumours. After a morphologic study of smears from cystadenolymphoma we have been able t o increase our accuracy in diagnosing this type of tumour. The possibility of recognition of the malignant salivary gland tumours by cytologic technique is discussed.