Disease definition. Hallermann-Streiff syndrome is a rare genetic syndrome characterized mainly by head and facial abnormalities such as bird-like facies ( with. Hallermann-Streiff syndrome is characterized by a typical skull shape ( brachycephaly with frontal bossing), hypotrichosis, microphthalmia, cataracts, beaked. Hallermann-Streiff syndrome (HSS) is a rare inherited disorder characterized by malformations of the cranium and facial bones, congenital.

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There are fewer than people with the syndrome worldwide.

Despite being a rare syndrome, this syndrome has to be considered in differential diagnosis of other syndromes. Standard Therapies Treatment The treatment of Hallermann-Streiff syndrome is directed toward the specific symptoms that are apparent in each individual. Regular close ophthalmology follow-up is strongly recommended to identify and treat other eye abnormalities like nystagmus, ptosis and entropion, which may require surgical intervention to avoid developing a lazy eye amblyopia and allow appropriate development of vision.

Other syndromes resembling this disorder are caused by mutations in the RBBP8 gene on chromosome 18q This page was last edited on 26 Novemberat Click here to view. Patients with HSS are at high risk of recurrent respiratory tract infections; obstructive sleep apnea; corpulmonale due to anatomical abnormalities of the upper airway; mandibular hypoplasia; and microstomia.

Nara Sobreira – updated: Steele and Bass emphasized the lack of mandibular angle and hypoplasia of the clavicles and ribs. Home Publications Conferences Register Contact.


A proposito de una presentacion familiar. Dennis Fairhurst Moore s Respiratory obstruction and cor pulmonale in the Hallermann-Streiff syndrome. However, apart from their role in mastication chewinghallermznn are also important for maintaining the vertical dimensions of the oral cavity, and the loss of teeth may worsen the glossoptosis posterior location of the tongue by over closure of the already small lower jaw micrognathia.

Purchase access Subscribe to JN Learning for one year. Francois quoted tsreiff indicating a normal sex ratio 42 males, 46 females hallermxnn a high frequency of parental consanguinity. She had hypotrichosis, bird-like facies, atrophy of the skin especially on the noseabnormal dentition, and congenital bilateral cataracts, but was not dwarfed and did not have mental retardation.

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Rare Disease Database

Forsius and de la Chapelle found normal chromosomes in 2 cases. Autosomal dominant inheritance has been suggested in some cases. In some cases, the head may also be relatively small microcephaly and the cheekbones may be underdeveloped malar hallermahn.

Some affected infants may also have vitiligo, a condition characterized by irregular patches of skin that lack pigmentation. Health care resources for this disease Expert centres Diagnostic tests 7 Patient organisations 58 Orphan drug s 0. There was also presence of thin, brittle hairs on scalp Figure 2. Report of a Case.


Hallermann-Streiff syndrome also known as oculomandibulofacial syndrome is a rare syndrome chiefly comprising facial and ocular abnormalities. Among children who present with microcephaly and bilateral congenital cataracts with small eyes, one should also consider MICRO syndrome, a rare autosomal recessive disorder characterized by microcephaly, microphthalmia, microcornea, congenital cataracts, optic atrophy, corpus callosum hypoplasia, severe intellectual disability, spastic diplegia, and hypogonadism.


Such congenital heart defects have included an abnormal opening in the partition septum that separates the lower or upper chambers of the heart ventricular or atrial septal defects or abnormal narrowing of the opening between the pulmonary artery and the right ventricle of the heart pulmonary stenosis.

A bonus to all MIMmatch users is the option to sign up for updates on new gene-phenotype relationships. Variability of clinical signs is typical of HSS. The documents contained in this web site are presented for information purposes only.

Congenital cataracts in mother, sister, and son of a patient with Hallermann-Streiff syndrome: It is named after German ophthalmologist Wilhelm Hallermann — and Italian-Swiss ophthalmologist Enrico Bernardo Streiff —[8] [9] [10] who first described the syndrome in and respectively. Only comments written in English can be processed.

A viewing tube laryngoscope is used before intubation to help identify the vocal cords. Please consider making a donation now and again in the future.