Computed tomography in TN stage evaluation of oral cavity and oropharyngeal cancers

Malard, O.; Toquet, Claire; Jégoux, Franck; Bordure, P.; Montreuil, C Beauvillain de; Gayet-Delacroix, M.

doi:10.1016/s0899-7071(03)00207-9

Cited by 12 publications

(10 citation statements)

References 36 publications

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“…[20,25,27,28] In such instances they need to be assessed based on nodal density changes on CT scans. We would suggest that further evaluation of suspected cervical lymph node metastases be performed using adjunctive imaging methods like Doppler ultrasonography (US), which in a recent study carried out by Ashraf et al showed specificity of 97% [29] and US guided fine needle aspiration biopsy which according to a study by Liao et al had 100% specificity.…”

Section: Resultsmentioning

confidence: 99%

“…However, in certain cases of moderately differentiated and undifferentiated OSQCC, CNN was not detected on CT as was found in a study by Morimoto et al They proposed that CNN was not able to form in lymph nodes with maximal diameter of less than 25 mm due to a time lag between the tumor filling the lymph nodes and the detection of CNN on the CT scan. [25,28] …”

Section: Discussionmentioning

confidence: 99%

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Pre-operative contrast enhanced computer tomographic evaluation of cervical nodal metastatic disease in oral squamous cell carcinoma

2013

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The nodal size cut-off of 1-1.5 cm had a maximal sensitivity of 90.91% and PPV of 86.96%. Furthermore, observation of nodal densities in the absence of frank CNN on the CT scan may be necessary especially in low grade primary tumor. CT assessment of cervical node metastasis was found acceptable, although adjuncts like ultrasound guided fine needle aspiration may further increase efficacy of CT scan in nodes lesser than 1 cm in size.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Pre-operative contrast enhanced computer tomographic evaluation of cervical nodal metastatic disease in oral squamous cell carcinoma

2013

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“…A higher clinical staging assessment, establishing a false-positive for regional metastasis, may lead to more radical treatment and increase morbidity. According to Malard et al 10 and Scully and Bagan, 11 a combination of both clinical and imaging examinations is essential for the detection of metastatic cervical lymph nodes, and could improve staging and prognosis determination.…”

Section: Discussionmentioning

confidence: 99%

“…2,3,8,9 A combination of clinical and imaging examinations is essential for detecting metastatic lymph nodes and establishing the prognosis. 10,11 Of the imaging modalities, computed tomography (CT) and magnetic resonance imaging (MRI) seem to be the most appropriate for the pre-therapeutic staging of head and neck tumors, because they provide information on the extent of the lesion, infiltration of large vessels and metastases in lymph nodes. 3,[12][13][14] The major advantage of MRI is that it provides excellent soft tissue detail visualization and does not involve any biological risks for the patient.…”

Section: Declaration Of Interestsmentioning

confidence: 99%

Oral cancer staging established by magnetic resonance imaging

et al. 2011

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The aim of this study was to compare clinical staging and magnetic resonance imaging (MRI) staging for oral cancer, and to assess inter-observer agreement between oral and medical radiologists. A total of 10 patients diagnosed with oral cancer were assessed before treatment. A head and neck surgeon performed clinical TNM staging. Two medical radiologists and two oral radiologists performed a new staging assessment by interpreting MRI scans, without prior knowledge of the clinical staging. They evaluated the extent of the primary tumor (T), metastasis to regional lymph nodes (N) and grouping by stages. The data were analyzed using the Kappa Index. There was significant agreement (p < 0.05) between the clinical and MRI staging assessments made by one oral radiologist for N stage, and between those made by one medical radiologist for the T and N stages and for the grouping by stages. In the MRI assessment, there was significant agreement among all four observers for both T stage and grouping by stages. For the N stage, there was no significant agreement between one oral radiologist and one medical radiologist or between both medical radiologists. There was significant agreement among the remaining radiologists. There was no agreement between the clinical and MRI staging. These results indicate the importance of using MRI for the diagnosis of oral cancer. Training initiatives and calibration of medical and oral radiologists should be promoted to provide an improved multidisciplinary approach to oral cancer.

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“…5,10-12 This modality provides useful information for many regions of the head, including the oral and nasal cavities, pharynx, and caudal orbital area that assists in surgical or radiation procedure planning in the cancer patient. [17][18][19][20][21][22] The administration of intravenous iodinated contrast medium can be an important part of the CT examination and it is generally useful in determining the extent and vascularity of the lesion. 13 With advances in CT technology, examination can now be performed without any anesthesia or sedation.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Standard Radiography and Computed Tomography in 21 Dogs with Maxillary Masses

2013

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Imaging of patients with oral cancer is required to determine tumor extension in order to assist in prognosis and surgical planning. Conventional screen-film radiography (SFR) used to be the most common method for oral assessment, but computed tomography (CT) has become more available and is being used for obtaining complementary information. CT examinations eliminate superimposition by acquiring cross-sectional images of the region of interest. The objective of this study was to determine the diagnostic value of SFR compared with CT examinations for evaluation of oral masses in dogs. Twenty-one dogs received head and thorax SFR, and pre- and post-contrast head CT. Bony changes were observed in 80.9% and 95.2% of the cases in SFR and CT studies, respectively. Invasion of adjacent structures (i.e. nasal cavity, frontal and sphenoidal sinuses, orbit, maxillary recess, nasopharynx) was observed in only 30% of cases with SFR while CT showed 90.4% involvement. CT is an important preoperative examination modality and is more effective in identifying bone changes and tumor invasion of adjacent structures compared with SFR.

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Computed tomography in TN stage evaluation of oral cavity and oropharyngeal cancers

Cited by 12 publications

References 36 publications

Pre-operative contrast enhanced computer tomographic evaluation of cervical nodal metastatic disease in oral squamous cell carcinoma

Pre-operative contrast enhanced computer tomographic evaluation of cervical nodal metastatic disease in oral squamous cell carcinoma

Oral cancer staging established by magnetic resonance imaging

Comparison of Standard Radiography and Computed Tomography in 21 Dogs with Maxillary Masses

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