Home HOME Neoplasma 2011 Neoplasma Vol.58, No.1, p.51-57, 2011

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Neoplasma Vol.58, No.1, p.51-57, 2011

Title: Fine-needle aspiration biopsy of cervical lymph nodes: factors in predicting malignant diagnosis
Author: B. K. ARIBAŞ, K. ARDA, N. ÇILEDAĞ, M. F. ÇETINDAĞ, K. DOĞAN, G. ŞAHIN, Z. YOLOĞLU, E. AKTAŞ

Abstract:

The objective of the study was to determine the predicting factors in malignant diagnosis in ultrasonography guided fine-needle aspiration biopsy of cervical lymph nodes. Design is retrospective follow-up study. Ultrasonography guided fine-needle aspiration biopsies of cervical lymph nodes were performed in 290 patients. The mean age was 45.5±14.4 years (range; 15-85). 207 (71.4%) and 83 (28.6%) were women and men, respectively. Cytopathologist was not present in any biopsy procedure. Factors in predicting malignancy were age, gender, presence of primary malignancy, localization (Level 1-6), hypoechogenicity with loss of echogenic hilum, microcalcification, cystic feature, minimum and maximum sizes, and index value (minimum size/maximum size). Factors were analyzed by univariate and multivariable tests. The mean minimum size and index value of the lymph nodes were 10.4±5.5 mm and 0.58±0.18, respectively. Age, gender, microcalcification, cystic feature, minimum size, and index value were poor predictors in malignancy.

Predictors were presence of primary malignancy (p­< 0.001), the level of localization (p=0.001), and hypoechogenicity (p­< 0.001)­ in malignancy. Microcalcification and cystic parts were specific US findings of metastasis of thyroid carcinoma; nevertheless cystic parts were seen more specific finding in the other malignancies. Malignant lymph nodes were often found in the presence of primary malignancy, mid neck and lower neck localizations as Level 3-6, and markedly hypoechoic lymph nodes. In 131 patients with a primary thyroid carcinoma, the predictors for malignancy were localization where the most often regions were Level 3, 4, and 6 and hypoechogenicity. Malignancy rate was relatively low in patients with thyroid malignancy than those with non thyroid malignancies in Level 5. Level 6 was the most difficult area for biopsy due to postoperative changes. Microcalcification was specific only in thyroid carcinoma, whereas cystic parts were more specific in the other malignancies.



Keywords: Fine-needle aspiration biopsy; cervical; neck; lymph node; malignancy.
Year: 2011, Volume: 58, Issue: 1 Page From: 51, Page To: 57
doi:10.4149/neo_2011_01_51
Price: 16.80 €






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