Parotid Gland Imaging

Prasad, Ravi

doi:10.1016/j.otc.2015.10.003

Cited by 34 publications

(32 citation statements)

References 62 publications

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“…Gupta et al [9], in their study with 45 patients presenting with neck masses, affirmed that male to female ratio was 1.8: 1, while in our study the male to female ratio was 2: 1. However, in the case of parotid space masses, females exceeded males as pleomorphic adenoma was the most common lesion and was predominantly seen in females, which is in agreement with the published literature [10–12]. In the present study with 60 cases of suprahyoid neck masses, the bulk of lesions were seen in the pharyngeal mucosal space, followed by the parotid space.…”

Section: Discussionsupporting

confidence: 91%

Role of Computed Tomography (CT) in Localisation and Characterisation of Suprahyoid Neck Masses

et al. 2018

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SummaryBackgroundSuprahyoid neck lesions are difficult to assess only by means of clinical inspection and therefore imaging techniques are required to precisely evaluate suprahyoid neck spaces. The aim of this study was to evaluate the distinctive role of computed tomography in the assessment of anatomical source and pathological type of masses involving the suprahyoid neck spaces.Material/MethodsSixty patients presenting with suprahyoid neck masses underwent computed tomography of the neck. The CT findings were correlated with histopathological findings and a final diagnosis was made.ResultsOverall, male preponderance was seen except in the case of parotid space lesions where female predominance was seen. The most common aetiology was squamous cell carcinoma and the majority of cases (30%) were seen in patients aged 41–50 years. The majority of lesions were found in the pharyngeal mucosal space (n=16) with squamous cell carcinoma being the most common pathology. In the parotid space, pleomorphic adenoma and in the prestyloid parapharyngeal space, squamous cell carcinoma were the most common lesions, respectively. In the retropharyngeal space, an equal incidence of malignant and inflammatory aetiologies was seen. Abscesses were the most common lesions in the prevertebral space. The pleomorphic adenoma was the most common benign tumour and was also the second most common tumour in the suprahyoid neck spaces. CT had an excellent correlation with histopathological findings with sensitivity of 96.4%, specificity of 100%, positive predictive value of 100% and a negative predictive value of 91.67%.ConclusionsComputed tomography definitely has a major role to play in the evaluation of suprahyoid neck masses as it has an excellent correlation with post-operative histopathological diagnosis.

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Section: Discussionsupporting

confidence: 91%

Role of Computed Tomography (CT) in Localisation and Characterisation of Suprahyoid Neck Masses

et al. 2018

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“…Nevertheless, the deep part of the gland, close to the stylomandibular notch, or the parapharyngeal space are difficult to image, frequently hidden by the mandible. For lesions located/extended into the deep parotid gland, cross-sectional imaging is recommended 5 .…”

Section: Imaging Modalitiesmentioning

confidence: 99%

“…Limitations of CT include extensive dental artifacts that cannot be avoided with angled axial imaging, contraindications to the use of contrast agent and radiation concerns in the paediatric population. Iodinated contrast intravenous administration is helpful for evaluation of lesion enhancement, assessment of lymph nodes, analysis of the extent of inflammation in infections, and for understanding the vascularity of lesions 5 . Contiguous, axial, thin 2-mm slices are typically acquired from the skull base to the hyoid bone and the images are reformatted at 1 mm for display.…”

Section: Imaging Modalitiesmentioning

confidence: 99%

“…It is performed with a fat-suppressed heavily T2-weighted high-resolution fast spin echo sequence with a surface coil or multichannel head coil. Several studies have demonstrated that MR sialography is generally as accurate as conventional sialography in detecting obstructions, stenosis and stricture of the main ducts, but it is limited by the acquisition time required for a single sequence and susceptibility to motion 5 6 9 .…”

Section: Imaging Modalitiesmentioning

confidence: 99%

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Diagnostic work-up in obstructive and inflammatory salivary gland disorders

Ugga

Ravanelli

Pallottino

et al. 2017

Acta Otorhinolaryngol Ital

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La patologia infiammatoria ed ostruttiva delle ghiandole salivari riconosce molteplici eziologie con coinvolgimento del parenchima ghiandolare e/o del sistema escretore. Il quadro clinico è essenziale per indirizzare lintegrazione diagnostica con adeguate metodiche di imaging. Sulla base dellanamnesi e dellesame obiettivo, possono riconoscersi quattro scenari clinici: (1) tumefazione acuta generalizzata delle ghiandole salivari maggiori; (2) tumefazione acuta di ununica ghiandola salivare maggiore; (3) tumefazione cronica generalizzata delle ghiandole salivari maggiori associata o meno a xerostomia; (4) tumefazione cronica o persistente di una singola ghiandola salivare maggiore. Lalgoritmo diagnostico per la scelta della metodica di imaging più appropriata dipende quindi dallo scenario clinico. Limaging è essenziale per confermare la diagnosi clinica, per definire lestensione della patologia ed identificare eventuali complicanze. Le metodiche di imaging disponibili includono lecografia, la tomografia computerizzata e la risonanza magnetica, anche con scialografia RM.

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“…As a result, many parotid gland lesions have been found accidentally, on the X-ray made for other indications, such as headaches or trauma (1). Enlargements of the biggest salivary gland and associated lymph nodes represent a wide spectrum of pathological processes that are ranked from inflammation and reactive hyperplasia to benign and malignant neoplasms (2).…”

Section: Introductionmentioning

confidence: 99%

Validity of core needle biopsy in the histopathological verification of parotid gland lesions

Oroz¹,

Kanjevac²,

Vasovic³

et al. 2016

SANAMED

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Background and purpose: An adequate diagnosis of a parotid gland enlargement is crucial for an appropriate treatment. The aim of the study was to evaluate effectiveness and minimal invasiveness of diagnostic procedures of core-needle biopsy. Materials and Methods:This study involved 67 patients, aged 40 to 90 years, with a tumor mass in the submandibular and parotid region. Method used for taking samples of pathological masses was BD Disposable guillotine spring-loaded needle for biopsies on soft tissues. Final diagnoses were established on the basis of surgical-pathological results in 67 cases, and on the basis of histopathological analysis of core-biopsy samples.Results: Compared with results of surgical biopsy, core-needle biopsy had sensitivity of 100% in differentiating benign from malignant lesions and in setting up an adequate diagnosis. Its positive predictive values were 100% in diagnosing malignancy. There were found 28 non-malignant and 39 malignant lesions with fewer disadvantages for patients.

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Parotid Gland Imaging

Cited by 34 publications

References 62 publications

Role of Computed Tomography (CT) in Localisation and Characterisation of Suprahyoid Neck Masses

Role of Computed Tomography (CT) in Localisation and Characterisation of Suprahyoid Neck Masses

Diagnostic work-up in obstructive and inflammatory salivary gland disorders

Validity of core needle biopsy in the histopathological verification of parotid gland lesions

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