Adalberto Mosqueda-Taylor’s 2 research works with 39 reads, including: Oct-4 and CD44 in epithelial stem cells like of benign odontogenic lesions. Adalberto. Adalberto Mosqueda of Metropolitan Autonomous University, Mexico City (UAM). Toussaint-Caire S, Vega-Memíje ME, Mosqueda-Taylor A, Cuevas-González. Adalberto Mosqueda Taylor is the author of Oral Medicine And Pathology At A Glance ( avg rating, 12 ratings, 0 reviews, published ), Oral Medicin.

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A policy of total mandibulectomy is not associated with a better local control or survival.

The catalog of human cytokeratins: Soft palate function was preserved and reconstruction was performed with primary closure. Our study shows that OT are uncommon in Brazil and that the frequency of these tumors vary in accordance with the type of diagnostic center, even within the same geographical region. All tumors were assessed using magnetic resonance imaging.

A total of odontogenic tumors were found among 15, oral biopsies 1. Author information Article notes Copyright and License information Disclaimer. While a general shift of galectin-3 localization from nucleus to cytoplasm occurs in cancer development from adenoma to carcinoma and also this protein plays an important pivotal role ,osqueda the nucleus in the regulation of cancer-related gene expression 27including Cyclin D1, its expression in POT in this study was exclusively found in the epithelial component, mainly in the cytoplasm yet some cells showed immunopositivity in the nucleus Figs.

Adalberto Mosqueda Taylor (Author of Oral Medicine And Pathology At A Glance)

Keratocystic odontogenic tumor Table 2 Clinico-pathological and radiographic taypor of 4 cases of Primordial Odontogenic Tumour. This suggests that there are groups of epithelial cells with different talor of maturation within the epithelial compartment of this tumor, which coincides with the differences in expression observed with MOC, CK19 and amelogenin.

Descriptive statistics were used in a preliminary analysis of the relationship between baseline variables. International collaborative study on ghost cell odontogenic tumours: This may imply that the tumor shows more active growth in this specific area, and perhaps it may be related to the inductive ability of that part adzlberto the mesenchyme to modify taylir overlying epithelium.


The expression of Bax, Survivin and Bcl-2 was similar, with slightly greater presence of the antiapoptotic proteins; however, the results of this study does not allow us to conclude that the overexpression of antiapoptotic proteins play an important role as growth mechanism of POT, as it has been suggested for other odontogenic neoplasms We recommend selective therapeutic resection of the neck only if it is found to be clinically positive.

Results The epithelial cells that cover the periphery of the tumor showed immunopositivity for Cytokeratins 14 and 19, while Amelogenin, Glut-1, MOC, Caveolin Introduction Odontogenic tumors OT comprise an infrequent group of lesions arising from the tooth-producing tissues or its remnants, and these range from hamartomatous or non-neoplastic proliferations to benign and malignant neoplasm with variable aggressiveness and metastatic potential 12.

Fine-tuned molecular taaylor between the oral epithelium and the ectomesenchyme is involved in tooth development and it is considered a marker for the initiation of dental development 20 All medical records and microscopic slides of odontogenic tumor specimens for the years to were retrieved from the files of four services of diagnostic pathology in Rio de Janeiro City.

Expression of Caveolin-1 Cav-1 was reported by Schwab et al. Odontogenic tumors in an Iranian population: Odontogenic tumors derive from the tooth-producing tissues or its remnants, which are entrapped either within the jawbones or in the adjacent soft tissues.

To date, seven cases of POT have been reported in the literature, all of which were found as well-defined radiolucent lesions adjacent to the crown of an unerupted tooth, producing varying degrees of bone expansion, root resorption and displacement of adjacent teeth, and macroscopically appeared ,osqueda whitish solid tumors that tended to be encapsulated or at least well-defined from the surrounding structures 23.

Reduced expression of MOC has been correlated with poor survival in cancerous conditions. MOC is an epithelial-related antigen expressed in most normal epithelia but also in tumors originating from epithelial tissues.

This is a retrospective study of cases in a cancer hospital. According to Mucchielli et al.


Odontogenic tumors: A retrospective study of four Brazilian diagnostic pathology centers

Changes in Galectin-3 expression and its subcellular and intercellular localization are commonly observed in cancer and precancerous conditions This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

The role of adjuvant therapy for sarcomatous neoplasms in this area has not yet been clearly established.

The fact that the epithelium is located peripherally recalls the relationship between the immature inner enamel epithelium and the primitive dental papilla at a time when no inductive ecto-mesenchymal effects have occurred, and then it mimics the primordial stages of tooth development, apparently lacking the ability to follow a normal inductive evolution to produce the subsequent stages adalbsrto and morpho-differentiation of the dental tissues. It may be multicentric and bilateral in a small percentage of cases.

The epithelial cells that cover the periphery of the tumor showed immunopositivity for Cytokeratins 14 and 19, while Amelogenin, Glut-1, MOC, Caveolin Immunohistochemical detection of amelogenin and cytokeratin 19 in epithelial odontogenic tumors.

Primordial odontogenic tumor: An immunohistochemical profile

New findings and controversies in odontogenic tumors. Regarding gender and age, The relationship between Bcl-2, Bax and mossueda Few reports have been published in the English language literature using the WHO classification mossqueda OT 1216181920 Oral melanoacanthoma MA is a rare, benign pigmented lesion, similar to cutaneous MA, characterized by hyperplasia of spinous keratinocytes and dendritic melanocytes.

Both patients were treated with supracricoid partial laryngectomy with cricohyoidoepiglottopexy. MOC has been proved to be an advantageous marker at signaling epithelial cell differentiation. Dysregulation of apoptosis in cancer. New immunohistochemical studies were performed with a panel of 23 different antibodies.