Oral manifestations, dental management, and a rare homozygous mutation of the PRDM12 gene in a boy with hereditary sensory and autonomic neuropathy type VIII: a case report and review of the literature

Abstract Background Hereditary sensory and autonomic neuropathy type VIII is a rare autosomal recessive inherited disorder. Chen et al. recently identified the causative gene and characterized biallelic mutations in the PR domain-containing protein 12 gene, which plays a role in the development of p...

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Main Authors: Karim Elhennawy, Seif Reda, Christian Finke, Luitgard Graul-Neumann, Paul-Georg Jost-Brinkmann, Theodosia Bartzela
Format: Article
Language:English
Published: BMC 2017-08-01
Series:Journal of Medical Case Reports
Subjects:
Online Access:http://link.springer.com/article/10.1186/s13256-017-1387-z
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author Karim Elhennawy
Seif Reda
Christian Finke
Luitgard Graul-Neumann
Paul-Georg Jost-Brinkmann
Theodosia Bartzela
author_facet Karim Elhennawy
Seif Reda
Christian Finke
Luitgard Graul-Neumann
Paul-Georg Jost-Brinkmann
Theodosia Bartzela
author_sort Karim Elhennawy
collection DOAJ
description Abstract Background Hereditary sensory and autonomic neuropathy type VIII is a rare autosomal recessive inherited disorder. Chen et al. recently identified the causative gene and characterized biallelic mutations in the PR domain-containing protein 12 gene, which plays a role in the development of pain-sensing nerve cells. Our patient’s family was included in Chen and colleagues’ study. We performed a literature review of the PubMed library (January 1985 to December 2016) on hereditary sensory and autonomic neuropathy type I to VIII genetic disorders and their orofacial manifestations. This case report is the first to describe the oral manifestations, and their treatment, of the recently discovered hereditary sensory and autonomic neuropathy type VIII in the medical and dental literature. Case presentation We report on the oral manifestations and dental management of an 8-month-old white boy with hereditary sensory and autonomic neuropathy-VIII over a period of 16 years. Our patient was homozygous for a mutation of PR domain-containing protein 12 gene and was characterized by insensitivity to pain and thermal stimuli, self-mutilation behavior, reduced sweat and tear production, absence of corneal reflexes, and multiple skin and bone infections. Oral manifestations included premature loss of teeth, associated with dental traumata and self-mutilation, severe soft tissue injuries, dental caries and submucosal abscesses, hypomineralization of primary teeth, and mandibular osteomyelitis. Conclusions The lack of scientific knowledge on hereditary sensory and autonomic neuropathy due to the rarity of the disease often results in a delay in diagnosis, which is of substantial importance for the prevention of many complications and symptoms. Interdisciplinary work of specialized medical and dental teams and development of a standardized treatment protocols are essential for the management of the disease. There are many knowledge gaps concerning the management of patients with hereditary sensory and autonomic neuropathy-VIII, therefore more research on an international basis is needed.
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spelling doaj.art-45198129dc0b4286bd27fb2f758b9c412022-12-22T01:51:34ZengBMCJournal of Medical Case Reports1752-19472017-08-0111111110.1186/s13256-017-1387-zOral manifestations, dental management, and a rare homozygous mutation of the PRDM12 gene in a boy with hereditary sensory and autonomic neuropathy type VIII: a case report and review of the literatureKarim Elhennawy0Seif Reda1Christian Finke2Luitgard Graul-Neumann3Paul-Georg Jost-Brinkmann4Theodosia Bartzela5Center for Dental and Craniofacial Sciences, Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Charité – Universitätsmedizin BerlinCenter for Dental and Craniofacial Sciences, Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Charité – Universitätsmedizin BerlinCenter for Dental and Craniofacial Sciences, Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Charité – Universitätsmedizin BerlinAmbulantes Gesundheitszentrum, Campus Virchow Clinic, Charité – Universitätsmedizin BerlinCenter for Dental and Craniofacial Sciences, Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Charité – Universitätsmedizin BerlinCenter for Dental and Craniofacial Sciences, Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Charité – Universitätsmedizin BerlinAbstract Background Hereditary sensory and autonomic neuropathy type VIII is a rare autosomal recessive inherited disorder. Chen et al. recently identified the causative gene and characterized biallelic mutations in the PR domain-containing protein 12 gene, which plays a role in the development of pain-sensing nerve cells. Our patient’s family was included in Chen and colleagues’ study. We performed a literature review of the PubMed library (January 1985 to December 2016) on hereditary sensory and autonomic neuropathy type I to VIII genetic disorders and their orofacial manifestations. This case report is the first to describe the oral manifestations, and their treatment, of the recently discovered hereditary sensory and autonomic neuropathy type VIII in the medical and dental literature. Case presentation We report on the oral manifestations and dental management of an 8-month-old white boy with hereditary sensory and autonomic neuropathy-VIII over a period of 16 years. Our patient was homozygous for a mutation of PR domain-containing protein 12 gene and was characterized by insensitivity to pain and thermal stimuli, self-mutilation behavior, reduced sweat and tear production, absence of corneal reflexes, and multiple skin and bone infections. Oral manifestations included premature loss of teeth, associated with dental traumata and self-mutilation, severe soft tissue injuries, dental caries and submucosal abscesses, hypomineralization of primary teeth, and mandibular osteomyelitis. Conclusions The lack of scientific knowledge on hereditary sensory and autonomic neuropathy due to the rarity of the disease often results in a delay in diagnosis, which is of substantial importance for the prevention of many complications and symptoms. Interdisciplinary work of specialized medical and dental teams and development of a standardized treatment protocols are essential for the management of the disease. There are many knowledge gaps concerning the management of patients with hereditary sensory and autonomic neuropathy-VIII, therefore more research on an international basis is needed.http://link.springer.com/article/10.1186/s13256-017-1387-zCase reportDentalPRDM12 geneHereditary sensory and autonomic neuropathyHSAN-VIIIOral manifestations
spellingShingle Karim Elhennawy
Seif Reda
Christian Finke
Luitgard Graul-Neumann
Paul-Georg Jost-Brinkmann
Theodosia Bartzela
Oral manifestations, dental management, and a rare homozygous mutation of the PRDM12 gene in a boy with hereditary sensory and autonomic neuropathy type VIII: a case report and review of the literature
Journal of Medical Case Reports
Case report
Dental
PRDM12 gene
Hereditary sensory and autonomic neuropathy
HSAN-VIII
Oral manifestations
title Oral manifestations, dental management, and a rare homozygous mutation of the PRDM12 gene in a boy with hereditary sensory and autonomic neuropathy type VIII: a case report and review of the literature
title_full Oral manifestations, dental management, and a rare homozygous mutation of the PRDM12 gene in a boy with hereditary sensory and autonomic neuropathy type VIII: a case report and review of the literature
title_fullStr Oral manifestations, dental management, and a rare homozygous mutation of the PRDM12 gene in a boy with hereditary sensory and autonomic neuropathy type VIII: a case report and review of the literature
title_full_unstemmed Oral manifestations, dental management, and a rare homozygous mutation of the PRDM12 gene in a boy with hereditary sensory and autonomic neuropathy type VIII: a case report and review of the literature
title_short Oral manifestations, dental management, and a rare homozygous mutation of the PRDM12 gene in a boy with hereditary sensory and autonomic neuropathy type VIII: a case report and review of the literature
title_sort oral manifestations dental management and a rare homozygous mutation of the prdm12 gene in a boy with hereditary sensory and autonomic neuropathy type viii a case report and review of the literature
topic Case report
Dental
PRDM12 gene
Hereditary sensory and autonomic neuropathy
HSAN-VIII
Oral manifestations
url http://link.springer.com/article/10.1186/s13256-017-1387-z
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