Hemifacial microsomia

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Hemifacial microsomia
Synonyms	First and second branchial arch syndrome, Oculo-auriculo-vertebral spectrum
Pronounce	N/A
Specialty	N/A
Symptoms	Facial asymmetry, Microtia, Mandibular hypoplasia, Hearing loss
Complications	Breathing difficulties, Feeding difficulties, Speech disorders
Onset	Congenital
Duration	Lifelong
Types	N/A
Causes	Genetic mutations, Environmental factors
Risks	Family history, Maternal diabetes, Multiple gestation
Diagnosis	Clinical examination, Imaging studies
Differential diagnosis	Treacher Collins syndrome, Goldenhar syndrome, Craniofacial microsomia
Prevention	N/A
Treatment	Surgical intervention, Hearing aids, Speech therapy
Medication	N/A
Prognosis	Varies
Frequency	1 in 3,500 to 1 in 5,600 live births
Deaths	Rare

Hemifacial microsomia (HFM) is a congenital disorder characterized by asymmetry of the face due to underdevelopment of one side. The condition can affect the ear, mouth, and jaw, and in some cases, the eye and neck. The severity of the condition varies widely among individuals, ranging from mild to severe.

Causes

The exact cause of HFM is unknown, but it is believed to be multifactorial, involving both genetic and environmental factors. Some researchers suggest that a disruption in blood flow to the face during early development may play a role.

Symptoms

The symptoms of HFM can vary greatly among individuals. They may include:

• Underdevelopment of one side of the face
• Malformation of the ear
• Dental abnormalities
• Cleft lip or palate
• Eye abnormalities
• Neck abnormalities

Diagnosis

Diagnosis of HFM is typically made based on a physical examination and the individual's medical history. Imaging tests such as X-rays, CT scans, and MRI may be used to assess the severity of the condition and plan treatment.

Treatment

Treatment for HFM is typically multidisciplinary, involving a team of specialists including a plastic surgeon, oral surgeon, orthodontist, audiologist, and speech therapist. The goal of treatment is to improve function and appearance. Treatment options may include surgery, orthodontic treatment, and speech therapy.

See also

• Craniofacial abnormalities
• Congenital disorders
• Plastic surgery
• Orthodontics
• Audiology
• Speech therapy