MALIGNANT TUMOR
Knauth138 cites 3 interesting cases in which early diagnosis was missed.The first patient, a woman aged 22, consulted an oculist on account of suppuration of a tear sac. Examination of the sinuses showed only a slight cloudiness of the antrum, which aroused no suspicion. Six months later there was a palpable gland at the angle of the jaw. Reexamination and operation on the antrum revealed a basaloma. The patient died eighteen months later.The second patient had marked exophthalmos, and examination revealed only enlargement of both inferior turbinates. A Krönlein operation disclosed a cyst on the floor of one orbit. Microscopically it resembled a basaloma. Eight days later a radical operation on the antrum was done. A mucocele was found in the roof of the antrum, which histologically proved to be a carcinoma.In the third patient the involvement began with impaired vision and exophthalmos. Since there