Does protease inhibitor treatment induce increased bleeding tendency in haemophilia?
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Ethinyl Estradiol-Norgestrel Combination↗
Biomedical subjects
C Panagiotopoulou
Publications and source records attributed to C Panagiotopoulou.
Frozen section diagnosis: a quality control study.
In a quality control study we reviewed six hundred and eighty one frozen section specimens sent to our department from 1981 to 1989. Accuracy was 98%. Diagnosis was deferred in 1%. False positive diagnosis for malignancy was made in one (0.15%) case and false negative diagnosis for malignancy in thirteen (2%) cases. Most of the inaccurate diagnoses concerned the female breast and the omentum. Incorrect diagnoses were due to interpretation of the pathologic findings (50%), to microscopic sampling (36%) and to gross sampling (14%). Some of the lesions are difficult to diagnose even in permanent sections. Technical skill and diagnostic expertise are essential for high diagnostic accuracy in the method of frozen section.
False Negative Reactions↗