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01.12.2014 | Case report | Ausgabe 1/2014 Open Access

Journal of Medical Case Reports 1/2014

Oral manifestations of hereditary nonpolyposis colorectal cancer syndrome: a family case series

Zeitschrift:
Journal of Medical Case Reports > Ausgabe 1/2014
Autoren:
Fabiana Tolentino Almeida, Raquel Ribeiro Gomes, André Ferreira Leite, João Batista Sousa, Ana Carolina Acevedo, Eliete Neves Silva Guerra
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1752-1947-8-249) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

FTA, RRG, AFL, ACA, and ENSG designed the study, drafted and revised the manuscript. JBS performed medical examinations and FTA performed oral examinations. ENSG and AFL were responsible for radiological assessment. All authors have read and approved the final manuscript.

Abstract

Introduction

Hereditary nonpolyposis colorectal cancer is a colorectal cancer syndrome characterized by the development of colorectal cancer and extracolonic tumors, and this syndrome has an autosomal dominant mode of inheritance. To our knowledge, our study was the first to find dento-osseous anomalies and the second to observe Fordyce granules in a family with individuals with hereditary nonpolyposis colorectal cancer.

Case presentations

Twenty members of one Brazilian family with individuals with hereditary nonpolyposis colorectal cancer were analyzed according to the presence of colorectal cancer and the occurrence of Fordyce granules and dento-osseous anomalies. Their average age was 29.6 (range 7 to 53 years) years. Medical examinations of this family with hereditary nonpolyposis colorectal cancer were performed at the Coloproctology Division of our hospital. Then, all individuals were referred to our Oral Care Center for Inherited Diseases for intraoral examinations to verify the presence of Fordyce granules. Dental panoramic radiographs were done in order to describe dento-osseous anomalies on applying the Dental Panoramic Radiograph System. Of the 20 family members, four were diagnosed with hereditary nonpolyposis colorectal cancer and all four presented Fordyce granules in their upper lip, but only one of these four patients (Case 2) had a significant dento-osseous anomaly.

Conclusions

Our familial study verified the presence of Fordyce granules in all individuals diagnosed with hereditary nonpolyposis colorectal cancer, and the presence of significant dento-osseous anomalies in one of these cases. However, the relationship between oral manifestations and hereditary nonpolyposis colorectal cancer should be further investigated.

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Zusatzmaterial
Authors’ original file for figure 1
13256_2014_2877_MOESM1_ESM.tif
Authors’ original file for figure 2
13256_2014_2877_MOESM2_ESM.tif
Authors’ original file for figure 3
13256_2014_2877_MOESM3_ESM.tiff
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