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Pinna R, Cocco F, Campus G, Conti G, Milia E, Sardella A, Cagetti MG. Genetic and developmental disorders of the oral mucosa: Epidemiology; molecular mechanisms; diagnostic criteria; management. Periodontol 2000 2019; 80:12-27. [PMID: 31090139 DOI: 10.1111/prd.12261] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A large number of disorders may affect the oral cavity, including genetic diseases, infections, cancers, blood diseases, skin diseases, endocrine and metabolic disorders, autoimmune and rheumatologic diseases, local lesions, to name a few. Oral mucosa shows a considerable variation in its normal structure and a wide range of conditions may affect it. Such conditions are often harmless or minor and could be primary or secondary to systemic disease. Several of them are quite rare and, hence, the diagnosis is not easy. Clinically, lesions may appear as ulcers, discoloration of the oral mucosa and alterations in size and configuration of oral anatomy. Genetic disorders have specific manifestations and can be caused by a derangement of one or more components of the tissue. Many of them follow the skin or systemic signs of the underlying genetic disease, but in a few cases oral signs could be the first manifestation of the disorder. Among them genodermatoses are prominent. They are inherited disorders characterized by a multisystem involvement. This review describes chondro-ectodermal dysplasia, dyskeratosis congenita, Ehlers-Danlos syndrome, hereditary benign intraepithelial dyskeratosis, keratosis follicularis, lipoid proteinosis, multiple hamartoma syndrome, pachyonychia congenita, Peutz-Jeghers syndrome, tuberous sclerosis and white sponge nevus. Other genetic disorders not included in the genodermatosis group and reported in the present review are: acanthosis nigricans, angio-osteo-hypertrophic syndrome, encephalotrigeminal angiomatosis, familial adenomatous polyposis, focal dermal hypoplasia, focal palmoplantar and oral mucosa hyperkeratosis syndrome, gingival fibromatosis, Maffucci's syndrome, neurofibromatosis (type 1) and oro-facial-digital syndrome (type 1). Disorders during embryonic development might lead to a wide range of abnormalities in the oral cavity; some of them are quite common but of negligible concern, whereas others are rare but serious, affecting not only the oral mucosa, but also other structures of the oral cavity (ie palate, tongue and gingiva). Fordyce's granules, leukoedema, cysts of the oral mucosa in newborns, retrocuspid papilla, geographic tongue, fissured tongue, median rhomboid glossitis, hairy tongue, lingual varices and lingual thyroid nodule are described. This review may help dentists, dental hygienists, but also general internists and pediatricians to diagnose different disorders of the oral mucosa, to understand the pathogenesis and to schedule a treatment plan.
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Affiliation(s)
- Roberto Pinna
- Department of Surgery, Medicine and Experimental Sciences, University of Sassari, Sassari, Italy
| | - Fabio Cocco
- Department of Surgery, Medicine and Experimental Sciences, University of Sassari, Sassari, Italy.,WHO Collaboration Centre for Epidemiology and Community Dentistry, University of Milan, Milan, Italy
| | - Guglielmo Campus
- Department of Surgery, Medicine and Experimental Sciences, University of Sassari, Sassari, Italy.,WHO Collaboration Centre for Epidemiology and Community Dentistry, University of Milan, Milan, Italy.,Klinik für Zahnerhaltung, Präventiv-und Kinderzahnmedizin Zahnmedizinische Kliniken (ZMK), University of Bern, Switzerland
| | - Giulio Conti
- IRCCS "Ca Granda-Ospedale Maggiore", University of Milan, Milan, Italy
| | - Egle Milia
- Department of Surgery, Medicine and Experimental Sciences, University of Sassari, Sassari, Italy
| | - Andrea Sardella
- IRCCS "Ca Granda-Ospedale Maggiore", University of Milan, Milan, Italy.,Department of Biomedical, Surgical and Dental Science, University of Milan, Milan, Italy
| | - Maria Grazia Cagetti
- WHO Collaboration Centre for Epidemiology and Community Dentistry, University of Milan, Milan, Italy.,Department of Biomedical, Surgical and Dental Science, University of Milan, Milan, Italy
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Tekkeşin MS, Chiosea SI, Ozolek JA. Hamartoma of the Oral Cavity with Ectopic Meningothelial Elements in Infants: A Rare Entity with Report of Two Cases. Head Neck Pathol 2019; 14:268-271. [PMID: 30840224 PMCID: PMC7021848 DOI: 10.1007/s12105-019-01024-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 02/15/2019] [Indexed: 12/13/2022]
Abstract
Choristomas and hamartomas within the oral cavity are relatively uncommon lesions and may present with diverse clinical and histopathological appearances. In this report, we describe two infant patients with hamartoma with ectopic meningothelial elements involving tongue and maxillary alveolar ridge. To the best of our knowledge, these are the first two cases in which a meningothelial proliferation has been identified in the oral cavity. Hamartoma with ectopic meningothelial elements is a rare condition that has been classically described occurring in the scalp. These lesions are characterized by bland round to spindle-shape cells that interdigitate through collagen bundles and express progesterone receptor and epithelial membrane antigen by immunohistochemistry supporting a meningothelial origin.
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Affiliation(s)
- Merva Soluk Tekkeşin
- grid.9601.e0000 0001 2166 6619Department of Tumour Pathology, Institute of Oncology, Istanbul University, Istanbul, Turkey
| | - Simion I. Chiosea
- grid.412689.00000 0001 0650 7433Department of Pathology, Presbyterian Hospital, University of Pittsburgh Medical Center, 200 Lothrop Street, Pittsburgh, PA 15261 USA
| | - John A. Ozolek
- grid.268154.c0000 0001 2156 6140Department of Pathology, Anatomy, and Laboratory Medicine, West Virginia University Robert C. Byrd Health Sciences Center, 2132 HSC-N, P.O. Box 9203, Morgantown, WV 26506-9203 USA
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Hiradfar M, Bakhshaee M, Shojaeian R, Zabolinejad N, Forghani M, Mirhosseini F. Accessory tongue: Classification and report of a case. Int J Pediatr Otorhinolaryngol 2015; 79:1175-9. [PMID: 26049626 DOI: 10.1016/j.ijporl.2015.04.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 04/19/2015] [Indexed: 10/23/2022]
Abstract
Accessory tongue (AT) is a rare congenital anomaly. Due to rarity of AT, various terminologies are applied, including accessory tongue, bifid tongue, double tongue, cleft tongue, and supernumerary tongue. It seems that the anomaly has geographic distribution and most reported cases are from India and Middle East. No comprehensive classification has been introduced yet. So, we present a classification for AT according to review of all papers and documents that we found, and report a 2-month-old male infant with this anomaly.
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Affiliation(s)
- M Hiradfar
- Mashhad University of Medical Sciences, Iran.
| | - M Bakhshaee
- Mashhad University of Medical Sciences, Iran
| | - R Shojaeian
- Mashhad University of Medical Sciences, Iran
| | | | - M Forghani
- Mashhad University of Medical Sciences, Iran
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Abstract
A rare disease is defined as a condition that affects less than 1 in 2000 individuals. Currently more than 7000 rare diseases have been documented, and most are thought to be of genetic origin. Rare diseases primarily affect children, and congenital craniofacial syndromes and disorders constitute a significant proportion of rare diseases, with over 700 having been described to date. Modeling craniofacial disorders in animal models has been instrumental in uncovering the etiology and pathogenesis of numerous conditions and in some cases has even led to potential therapeutic avenues for their prevention. In this chapter, we focus primarily on two general classes of rare disorders, ribosomopathies and ciliopathies, and the surprising finding that the disruption of fundamental, global processes can result in tissue-specific craniofacial defects. In addition, we discuss recent advances in understanding the pathogenesis of an extremely rare and specific craniofacial condition known as syngnathia, based on the first mouse models for this condition. Approximately 1% of all babies are born with a minor or major developmental anomaly, and individuals suffering from rare diseases deserve the same quality of treatment and care and attention to their disease as other patients.
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Affiliation(s)
- Annita Achilleos
- Stowers Institute for Medical Research, Kansas City, Missouri, USA
| | - Paul A Trainor
- Stowers Institute for Medical Research, Kansas City, Missouri, USA; Department of Anatomy & Cell Biology, University of Kansas Medical Center, Kansas City, Kansas, USA.
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