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. 2013 Sep;19(3):365-9.
doi: 10.1177/159101991301900315. Epub 2013 Sep 26.

CT-guided core needle biopsy of deep suprahyoid head and neck lesions in untreated patients

En-Haw Wu  1 , Yao-Liang Chen, Cheng-Hong Toh, Sheung-Fat Ko, Yu-Chun Lin, Shu-Hang Ng
Affiliations

CT-guided core needle biopsy of deep suprahyoid head and neck lesions in untreated patients

En-Haw Wu et al. Interv Neuroradiol. 2013 Sep.

Abstract

This study aimed to evaluate the efficacy of CT-guided core needle biopsy (CNB) in the diagnosis of deep head and neck tumors in untreated patients. We retrospectively reviewed the records of ten consecutive CT-guided CNB procedures from ten patients without a related history from March 2004 to February 2012. The surgical results, treatment response and clinical follow-up were used as the diagnostic standards. All specimens were considered adequate. Nine out of ten cases matched the final diagnosis. Biopsy failed to diagnose the infratemporal meningioma en plaque in a particular case. Three cases were carcinomas. No complication was encountered. CT-guided core needle biopsy is an efficient and safe technique for histological diagnosis of skull base lesions in patients without a related history. This technique can offer a definite tissue diagnosis and avoid unnecessary surgical interventions for such patients.

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Figures

Figure 1
Figure 1
A 56-year-old man (case 9) with a right parapharyngeal lesion. A) Non-enhanced CT shows an ill-defined lesion in the right parapharyngeal space (arrow). B) Using the paramaxillary approach, the biopsy needle (arrow) set was inserted to the lesion (arrow). Biopsy revealed an inflammatory process. Follow-up imaging studies in three months showed stationary status.
Figure 2
Figure 2
A 76-year-old man (case 4) with a right infratemporal fossa lesion. A) Pre-procedural CT shows an infiltrative lesion (arrow) in the right infratemporal fossa, carpeting around the sphenoid ridge. B) Using the subzygomatic approach, the biopsy needles (arrow) were inserted. The biopsy showed only fibrosis. Diploic meningioma was diagnosed by surgical result.
See this image and copyright information in PMC

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