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Poster Presentations: American Head and Neck Society
August 2006

P007 False-Negative Cases of Touch Smear Cytology in Thyroid Tumor

Arch Otolaryngol Head Neck Surg. 2006;132(8):866-867. doi:10.1001/archotol.132.8.866-c

Shizuoka Saiseikai General Hospital, Shizuoka, Japan;

Hamamatsu University School of Medicine, Hamamatsu, Japan;

Numadu City Hospital, Numadu, Japan;

Seirei Mikatabara General Hospital, Hamamatsu

Objective: Cytological diagnosis, such as fine-needle aspiration (FNA), has been frequently used for the one of preoperative diagnosis. Touch smear cytology (TS) also has been used for the screening of gynecologic malignant tumor. We used this TS technique instead of the frozen section diagnosis. However, there are some false-negative cases that result to misdiagnosis. Therefore, the purpose of this study is to investigate the cause of false-negative cases.

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