Surgeon-performed ultrasound for the assessment of parotid masses

Studies on parotid gland ultrasound assessments performed specifically by surgeons are seldom reported. Retrospective series of a single academic surgeon experience, analyzing 70 new parotid masses with evaluable preoperative SP-US characteristics, location measurements, and perioperative events. 31...

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Bibliographic Details
Published in:American journal of otolaryngology 2018-09, Vol.39 (5), p.467-471
Main Authors: Zheng, Melissa, Plonowska, Karolina A., Strohl, Madeleine P., Ryan, William R.
Format: Article
Language:English
Subjects:
Academic Medical Centers
Adult
Aged
Aged, 80 and over
Benign
Biopsy, Needle
Change management
Cohort Studies
Computed tomography
Databases, Factual
Exocrine glands
Facial nerve
Female
Humans
Immunohistochemistry
Infiltration
Information management
Magnetic resonance imaging
Magnetic Resonance Imaging - methods
Male
Malignancy
Medical imaging
Medical personnel
Metastases
Middle Aged
NMR
Nuclear magnetic resonance
Parotid gland
Parotid Gland - diagnostic imaging
Parotid Gland - surgery
Parotid Neoplasms - diagnostic imaging
Parotid Neoplasms - surgery
Patients
Preoperative Care - methods
Prognosis
Retrospective Studies
Risk Assessment
Skin
Statistical analysis
Surgeon-performed ultrasound
Surgeons
Survival Rate
Task Performance and Analysis
Tomography, X-Ray Computed - methods
Treatment Outcome
Tumor
Tumors
Ultrasonic imaging
Ultrasonography, Doppler - methods
Ultrasound
United States
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Description
Summary:Studies on parotid gland ultrasound assessments performed specifically by surgeons are seldom reported. Retrospective series of a single academic surgeon experience, analyzing 70 new parotid masses with evaluable preoperative SP-US characteristics, location measurements, and perioperative events. 31/70 masses were malignant. SP-US characteristics significantly associated with both malignancy and positive margins included extraparenchymal extension, irregular borders, hypervascularity, infiltration, and the lack of deep enhancement. The larger the skin-to-deep-aspect-of-tumor distance, the more likely the tumor was deep to FN. For the 39 cytologically benign tumors, neither CT nor MRI provided additional information to change management except for full delineation of parapharyngeal space extension in 2 cases. SP-US can help predict parotid mass benignity/malignancy, positive margin risk, and tumor relation to FN. SP-US may be used as the sole imaging in cytologically benign tumors unless the deep tumor extent cannot be identified.
ISSN:0196-0709
1532-818X
DOI:10.1016/j.amjoto.2018.04.011