KTCC QUIZ (April    2018)   
甲状腺穿刺吸引細胞診 (thyroid FNA)
この細胞像の診断名は?
1.橋本病 2.腺腫様結節 3.好酸性細胞型濾胞性腫瘍 4.乳頭癌 5.髄様癌
 
Which diagnosis is appropriate to choose?
1. Hashimoto's disease 2. Nodular goiter 3. Oxyphilic cell tumor 4. Papillary carcinoma 5. Medullary carcinoma
解説(explanatory notes )
答えは「4. 乳頭癌」でした。背景にリンパ球がみられるので、3. 好酸性細胞型濾胞性腫瘍と5. 髄様癌は選択肢から除外されます。出現している細胞は、厚い細胞質、核腫大、核溝、核形不整を伴います。高円柱状細胞もみられます。これらの所見は乳頭癌の細胞像に一致します。この症例の組織診断は、ワルチン腫瘍様乳頭癌でした。
The answer is "4. Papillary carcinoma." 3. Oxyphilic cell tumor and 5. medullary carcinoma are excluded from the choices because many lymphocytes are seen in the background. The epithelial cells have thick cytoplasm, nuclear enlargement, nuclear grooves, and irregular shape nuclei. Tall columnar cells are also seen. These findings are corresponding to the cytological characteristics of papillary carcinoma. The histological diagnosis of this case was Warthin tumor-like papillary carcinoma.
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