Our new concept on reporting system of the breast cytology.
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概要
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Since 1985, we have planned to use a new reporting system of breast cytology based on new concepts instead of Papanicolau's classifications. Our concepts are (1) to provide the surgeon with information as to whether the aspiration and staining state of the aspirate are good or not, (2) not to diagnose a specimen as malignant, if not conclusively malignant, to avoid false positive diagnosis and inadequate surgery, and (3) to recommend excisional biopsy to obtain histologic diagnosis, in suspicious cases. In this system, we classified cytologic diagnoses into 8 groups ; C 0, C I, C II, C III a, C III b, C IV, and C V. In C 0, specimens are inadequate for evaluation because of inadequate cells except blood cells, or failure in fixing or staining specimens. CI means that there are no epithelial cells in specimens except connective tissue cells. In C II, there are benign epithelial and nonepithelial cells. C II b is a group in which cells in specimens are benign, but show moderate cellular atypism. Cells in C III a show some nuclear atypism and malignancy could not be conclusively ruled out. In the C III b group, cellular atypism of the aspirated specimens resembles that of malignant cells, but is not conclusive for malignancy, so excisional biopsy and histologic examination or follow up studies are recommended. Both C IV and C V groups are unquestionably malignant. C IV are rather better in differentiated malignancy than C V. On our reporting forms, considerable histopathologic detail as to the type of lesion should be written as thoroughly as possible.<BR>According to our results in the past 5 years, from 1988 to 1992, there were no false positive cases in the C IV and C V groups, and 18 cases out of 35 in the C III b group were malignant. On the other hand, 4 out of 64 cases in the C III a group were malignant. Thus, our reporting forms provide correct information on breast cytology to surgeons, facilitating reasonable treatment.
- 特定非営利活動法人 日本臨床細胞学会の論文
特定非営利活動法人 日本臨床細胞学会 | 論文
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