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1. Prevalence of Hypodontia in a Sample of Spanish Dental Patients.

Author

Sola RA, Sola PA, Pérez JC, Sánchez IN, and Renovales ID

Abstract

Objectives: The aim of this retrospective study was to evaluate the prevalence of hypodontia in a sample of dental patients, aged between seven and eleven years at University Alfonso X in Madrid (Spain)., Materials and Methods: The number of hypodontia cases and the most affected teeth were evaluated in 2500 panoramic radiographs in a random sample of dental patients consisting of 1235 females and 1265 males. We divided them according to age, number of hypodontia present in each patient (multiple or single), each side, each quadrant either in the upper jaw or in the mandible. The chi-square test (P <0.05) was used to compare the differences in agenesis among males and females., Results: The sample of 2500 patients who were studied consisted of 1235 women, out of which 41 presented hypodontia (3.31%) and 1265 men, out of which 46 had at least a dental absence (3.63%). There was no significant difference in the proportion of hypodontia between men and women (p> 0.05)., Conclusion: The percentage of total agenesis of 2500 patients studied was 3.48%., Competing Interests: Conflict of Interest: None declared

Published
2018
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2. Giant cells glioblastoma: case report and pathological analysis from this uncommon subtype of glioma.

Author

Belsuzarri TA, Araujo JF, Catanoce AP, Neves MW, Sola RA, Navarro JN, Brito LG, Silva NR Junior, Pontelli LO, Mattos LG, Gonçales TF, Zeviani WM, and Marques RM

Abstract

Glioblastoma multiforme (GBM) is the most common glial tumor of the brain system; nevertheless, the giant cell (GC) subtype is uncommon. Recent reviews report for an incidence of 1% in adults and 3% in children. The GCs usually have a better prognosis than GBM and also an increasing long-term survival rate. It is known that the diagnosis of this tumor is due to its histological findings and patterns, such as the unusual increased number of giant cells. Unfortunately, due to its rarity, the immunohistochemical and cytogenetical analysis of this tumor is not well known. Some authors also suggest that there are few subtypes of GCs and their patterns of aggressiveness could be due to cytogenetical markers. It is recognized that maximum safe resection treatment and adjuvant radiotherapy can improve survival rate (5-13 months) similar to GBM patients.

Published
2015
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