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2014, Number 3

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Anales de Radiología México 2014; 13 (3)

Ultrasonographic characteristics of parotid tumors. Review of the literature and report on cases

Escobedo-Hernández LM, Pérez-Franco I, Valencia-Jiménez E, Magaña-Hernández YG, Minauro-Muñoz GG

Language: Spanish
References: 19
Page: 246-254
PDF size: 776.60 Kb.


ABSTRACT

Background: parotid gland tumors are the most common tumors of the salivary glands. Ultrasound is considered the method of first choice to detect them and should determine the number of lesions, location, echogenicity, vascularity, contours, and associated lymphadenopathy. Ultrasound guided fine needle aspiration biopsy has been used as a diagnostic tool for managing such tumors.
Objective: analyze the correspondence of fine needle aspiration biopsy with histopathologic diagnosis.
Material and methods: retrospective cross sectional analysis. Ultrasonographic images and histopathologic records were reviewed (at the Centro Medico Nacional Siglo XXI Cancer Hospital Ultrasound Service) from patients who underwent fine needle aspiration parotid gland biopsy from January 2012 through January 2014. 9 patients were included, 5 women and 4 men, with mean age of 57 years. The results of fine needle aspiration biopsy were compared with the histopathologic diagnosis.
Results: 7 malignant and 2 benign lesions were found. The concordance of ultrasound guided fine needle aspiration biopsy with final diagnosis was 75%.
Conclusion: ultrasound guided fine needle aspiration biopsy is a precise, safe, low cost procedure with no risk of implantation of tumor cells. However, it is dependent on the skill of the operator, does not permit examination of the deep portion of the gland, and does no show the relationship with the facial nerve.


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