Πέμπτη 6 Ιανουαρίου 2022

Clinicopathological Difference Between Gingivobuccal and Oral Tongue Cancers: A Cross-Sectional Observational Study from a Tertiary Healthcare Centre in Northern India

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Abstract

Gingivobuccal and oral tongue squamous cell carcinomas are commonly considered together as a single clinical entity for staging and treatment purposes. Though there is data suggesting a significant difference between SCC of various oral cavity subsites, very few studies have compared clinicopathological characteristics between the tongue and gingivobuccal primaries. We retrospectively analysed 225 patients with biopsy-proven gingivobuccal (GB) and oral tongue (OT) SCC operated between April 1, 2018 and April 30, 2021 in All India Institute of Medical Sciences, Rishikesh, India to compare their clinicopathological characteristics. Demographic, clinical and histopathological data were collected from electronic medical records. An independent sample t-test was used to compare means and Pearson chi-square test or Fisher exact test was applied to compare the distribution of categorical variables. A relative male preponderance (12:1 vs. 5:1, p = 0.036) and increased smokeless tobacco consumption (82% Vs. 69%, p = 0.003) was seen in GB-SCC. Significantly higher proportion of patients with OT-SCC presented with early primaries (T1/T2) (54.1% vs. 24.8%, p < 0.001). Similarly, a higher proportion of GB-SCC patients presented with palpable neck nodes (cN +) (81% Vs. 67%, p = 0.02). Due to early primary tumours at presentation, stage I/II disease was also significantly higher in cases of OT-SCC (36.5% Vs.13.7%, p < 0.001). No difference was noticed in age at presentation, neck node status, and other clinicopathological parameters. GB-SCC has a higher male preponderance than OT-SCC due to relatively higher consumption of smokeless tobacco in males. Oral tongue cancers presented at an earlier stage than gingivobuccal malignancies. No difference in neck node status, however, suggests a relatively aggressive disease behaviour and early regional metastasis in tongue cancers. Follow up data regarding recurrence and survival is required to further characterise the differences between these two common OSCC subsites.

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A Systematic Review on the Association Between Clinical Symptoms and CBCT Findings in Symptomatic TMJ Degenerative Joint Disease

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J Oral Facial Pain Headache. 2021 Nov-Dec;35(4):332-345. doi: 10.11607/ofph.2953.

ABSTRACT

AIMS: To evaluate the association between clinical signs/symptoms and bone changes on CBCT images in patients with degenerative joint disease (DJD) of the temporomandibular joint (TMJ).

METHODS: An electronic literature search of the MEDLINE, PubMed, EMBASE, Scopus, and Web of Science databases, as well as Google Scholar for gray literature, was conducted to identify relevant art icles on February 26, 2021. Risk of bias was evaluated using the Joanna Briggs Institute critical appraisal tools. The GRADEpro (Recommendation, Assessment, Development, and Evaluation) system instrument was applied to assess the level of evidence across studies.

RESULTS: Nine papers assessing clinical signs/symptoms and CBCT findings were included. TMJ pain (arthralgia) and TMJ noises carried the strongest associations with various CBCT findings, each of which were supported by four studies with significant associations. Only one study found significant associations between masticatory myalgia (muscle pain) and CBCT findings. Range of motion carried no significant associations with CBCT findings in the included studies. Based on the GRADEpro system, the certainty of evidence is low for said associations.

CONCLUSION: The results suggest that TMD patients with TMJ arthralgia and joint noises may benefit from CBCT imaging. There would be less benefit in TMD patients exhibi ting primarily myalgia or limited range of motion, and therefore these patients should not be prescribed routine CBCT radiographs unless indicated by other clinical findings. The heterogeneity of reporting in the included studies suggests that embracing universal clinical (DC/TMD) and radiographic diagnostic criteria for TMJ-DJD would benefit both research and clinical outcomes.

PMID:34990502 | DOI:10.11607/ofph.2953

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Temporomandibular Disorders Core Curriculum for Predoctoral Dental Education: Recommendations from the American Academy of Orofacial Pain

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J Oral Facial Pain Headache. 2021 Fall;35(4):271-277. doi: 10.11607/ofph.3073.

NO ABSTRACT

PMID:34990495 | DOI:10.11607/ ofph.3073

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