Introduction to Frontonasal Dysplasia (FND)

Frontonasal Dysplasia (FND), which is a congenital problem, is a non-genetic disease.¹ Frontonasal Dysplasia is also named as Burian’s Syndrome or median cleft face syndrome. This disease is named median cleft face syndrome due to the fact that malformation occurs on the middle of the face. This malformation is seen in the anatomically craniofacial region on the face in case of abnormality, the etiology of the disease still remains unknown. Interestingly this rare disease can be transferred either with dominant or recessive genes, this kind of genetic diseases are named as polygenetic.²

Clinical Features, Diagnosis and Early Detection

Hypertelorism can be observed as a clinical feature which is affecting the eyes. As known by the public as widow’s peak in medical jargon, it is named as anterior cranium bifidum occultum. For the nose, there are a lot of clinical features possible: broad nasal root, lack of formation of nasal tip. In addition, median cleft nose with Hypoplasia, absence of prolabium and premaxilla with cleft lip are other probable clinical features. Finally, people diagnosed with frontonasal dysplasia usually are of average smartness and can expect a normal life cycle as well. Timing is important. The affected individual can have lethal results and may die shortly after birth if corrective surgery is not performed as soon as possible.² Up until recently, the only known genetic cause of X-linked craniofrontonasal syndrome was a mutation in the gene encoding the ephrin receptor tyrosine kinase 1.^2,3,4

Genetic Counseling for Families

Hemizygous men are less affected by the X-linked disorder known as craniofrontonasal syndrome (CFNS) than heterozygous females are. Men who are heterozygous for cleft lip or palate and hypertelorism are less common than those who are heterozygous for female craniofrontonasal dysplasia (CFND) and sporadic extracranial symptoms such as skeletal abnormalities and midline deformities. Family planning in risked patients is crucial. Genes of the patients should be evaluated carefully and patients should be informed and consulted.³

Parental Education for Medical Management

The likelihood of surgical airway therapy is correlated with the particular craniofacial diagnosis. The greatest duration of tracheal cannulation occurs when nasal obstruction is paired with other anatomical factors to cause severe airway impairment in newborns and early children. Early tracheostomy is recommended for these patients in order to facilitate optimal development and growth. When it comes to these babies, nasal obstruction is really a side effect of midface retrusion, leading to a common misdiagnosis of choanal atresia.⁵

Navigating Feeding Difficulties in Infants with Cleft Lip, Palate, and Craniofacial Syndromes: Strategies for Improvement

Babies that are born with either cleft lip/ palate or craniofacial deformities or even both in various degrees can have difficulty with oral feeding. This aforementioned difficulty is related in extent to the activity of clefting itself, more to express if cleft lip/palate is occurring simultaneously with abnormalities in the craniofacial region there can be a possibility of structural, motor, and airway related problems occurring at the same time. Insufficiency of protection in airways while swallowing and also the inadequate feeding by mouth, indicate that the baby can have restrictions in feeding and swallowing capability. This insufficient protection in airways during the act of swallowing is able to possess a large quantity of deleterious effect on the baby's respiratory system health as prolongation of aspiration time during the act of feeding the infant which can cause lung damage, pneumonia, and also recurrent respiratory diseases. In this aspect, we can classify the disease into two different branches as syndromic or non-syndromic. No matter if it is syndromic or non-syndromic, feeding related issues cause significant stress for the parents of the infant and thus, it may hinder the development of a strong correlation in between them. Accordingly, early feeding directives for parents, the diagnosis of early eating abnormalities by the speech pathologist. Determining feeding technique, making the adjustment for that and intervening them all carry fundamental characteristics. Examined acts are the findings that are now available from expert opinion, clinical studies, and descriptive publications that support the use of eating treatments in therapy.⁶

School Integration and Educational Support

In the UK, Tier 4 child and adolescent mental health services are intended to meet the requirements of kids and teens who have the most serious, complex, or long-lasting mental health conditions. Effective commissions should be needs-led, evidence-based, strategic, and outcome-oriented.

Effective commissioning of Tier 4 services is a multi-agency job that requires competent commissioners with the requisite authority, resources, skills, and knowledge. According to the research, a "mixed economy" that includes free medical treatment as well as community outreach and home-based initiatives is, thus, necessary.⁷

Several Instruments to Observe Children Behaviour

In this part of the article, I would like to briefly touch upon several survey methods, these instruments of which play a crucial role to understand patients and observe the needed parameters. To be noted, these are not directly correlated with dysplasia. Modified Epworth Sleepiness Scale, Child Behaviour Checklist, Conners Abbreviated Symptom Questionnaire, Paediatric Quality of Life, OSA18, Parenting Stress Index Short Form, Medical outcomes study social support, and last but not least, nasal obstruction symptom evaluation, are these instruments.⁸

Parental Mental Health and Well-being

The intricacy of reconstructive surgery is reflected in the variety of participant viewpoints and experiences. When it comes to informing patients (and their parents) about the many treatment choices available for children with craniofacial issues, pediatric health care teams are essential. Families must be informed about the psychological and social ramifications of reconstructive surgery in order to properly and sensibly balance the risks and rewards of the procedure.⁹ Parents' personal health and their ability to support their child through therapy and medical care can be significantly impacted by stress, anxiety, or sadness. The emotional burden of caring for a child's physical condition, such hip dysplasia, can make parents feel even more uncomfortable. The dynamics of the family as a whole, the bond between parents and children, and the capacity to give care can all be impacted by this.¹⁰

Types of Frontonasal Dysplasia

There are three different dysplasia. FND1(ALX3) is the first type, in this type prominent philtral ridge is present. Second type is FND2 and ALX4 plays a role in this type. In the third type of frontonasal dysplasia called FND3, ALX1 is present. Extreme microphthalmia, palatal shelves, distorted alae, and premaxilla can happen.¹¹

Struggles

For adolescents, the negative life experiences linked to facial malformations start with social interactions and, subsequently, especially in school. Stigmatization happens frequently. Patients documented expressions of fear or pity. During its existence, this phenomenon led to a decrease in self-confidence. Children with clefts are perceived differently by others depending on their public attitudes.¹² Orofacial clefts must be properly addressed since they have an impact on a person's quality of life. To identify some of the risk factors for cleft formation, more study on the genetics of clefts is required. Institutions for genetic counseling should also be set up to offer advice to pregnant mothers and those with anomalies.¹³

Family Support and Recessive ALX3 Mutations Identified as Cause of Frontorhiny Disorder

Since strong parent support networks may help prevent children with cleft palate from developing a negative self-concept, it is imperative that parents discuss with their children how to handle challenging social situations, including their cleft lip and/or cleft palate.^13,14 A recurrent pattern of FNM was shown to be caused by recessive mutations in the homeobox gene ALX3. This is the first isolated case of FNM that has been shown to have a specific genetic etiology instead of being the consequence of a pregnancy-related developmental damage. Diagnosing this condition, which we propose to name frontorhiny, is crucial due to its special implications for genetic counseling and diagnostic testing, as well as its association with congenital dermoid cysts that may spread transcranial. Additionally, our study shows that homozygosity mapping may be utilized to identify rare genes for recessive diseases in a limited number of samples with unknown consanguineous origin.^15,16