Diagnostic Accuracy and Post-Procedural Complications Associated with Ultrasound-Guided Core Needle Biopsy in the Preoperative Evaluation of Parotid Tumors

Jering, Monika ORCID: 0000-0001-5418-0797, Mayer, Marcel, Thoelken, Rubens, Schiele, Stefan, Maccagno, Andrea and Zenk, Johannes . Diagnostic Accuracy and Post-Procedural Complications Associated with Ultrasound-Guided Core Needle Biopsy in the Preoperative Evaluation of Parotid Tumors. Head Neck Pathol.. NEW YORK: SPRINGER. ISSN 1936-0568

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DOI:10.1007/s12105-021-01401-w

Abstract

Correct diagnosis of a parotid neoplasm based on histology preoperatively is of utmost importance in order to guide patient management. The aim of this study was to evaluate the diagnostic accuracy of an ultrasound-guided core needle biopsy of a parotid lesion and to describe associated post-procedural complications. A retrospective study was conducted between January 2015 and March 2021 of all patients who were referred to a tertiary care center for evaluation of a parotid lesion and who underwent core needle biopsy due to high-risk features or when malignancy was suspected on clinical examination or ultrasonography. Patient characteristics, histological findings, and post-procedural complications were recorded and evaluated. Among 890 patients referred for evaluation of a parotid lesion, in 138 patients a core needle biopsy was undertaken. On the basis of core needle biopsy findings, 11 lymphomas and 82 non-lymphoma malignancies were diagnosed in the parotid gland. The sensitivity of the core needle biopsy predicting the accurate tumor type was 97.56% (95% CI 91.47-99.70%) and the specificity 94.64% (95% CI 85.13-98.88%). The accuracy for the correct histopathological diagnosis was 93.48% (95% CI 87.98-96.97%). Post-procedural minor complications occurred in 19 patients (13.8%). In conclusion, a core needle biopsy can identify malignancy in the parotid gland with high sensitivity and specificity in a safe manner and therefore guide surgical treatment.

Item Type:

Journal Article

Creators:

Creators	Email	ORCID	ORCID Put Code
Jering, Monika	UNSPECIFIED	orcid.org/0000-0001-5418-0797	UNSPECIFIED
Mayer, Marcel	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Thoelken, Rubens	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Schiele, Stefan	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Maccagno, Andrea	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Zenk, Johannes	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED