What are the key signs that a child might have cerebro‑facio‑thoracic dysplasia, and when should a genetic evaluation be considered?

Key early indicators include severe developmental delay, inability to speak or walk, distinctive facial features (wide short skull, widely spaced eyes, low‑set ears), and rib or spinal abnormalities such as fused ribs or scoliosis. If these features are present before age 2, a pediatrician should order a chromosomal microarray or targeted TMCO1 sequencing to confirm the diagnosis.

How does the TMCO1 mutation affect bone development, and what orthopedic interventions are available?

TMCO1 mutations disrupt calcium‑dependent protein folding in the endoplasmic reticulum, leading to abnormal rib and spine formation. Orthopedic care may involve monitoring for scoliosis, surgical correction of rib fusion or spinal curvature, and physical therapy to maintain joint mobility. Early intervention can reduce respiratory complications and improve quality of life.

What therapies can support speech and motor development in children with this condition?

Early intervention programs combining speech therapy, occupational therapy, and physiotherapy are essential. Use of assistive communication devices (speech‑generating devices, picture exchange systems) can help children express needs. Motor milestones may be delayed, so individualized physical therapy focusing on strength, balance, and adaptive equipment is recommended.

Are there any specific feeding or nutrition challenges associated with cerebro‑facio‑thoracic dysplasia, and how can they be managed?

Many affected infants experience hypotonia and difficulty sucking or swallowing, leading to poor weight gain. A feeding specialist should assess for dysphagia and recommend thickened liquids or specialized nipples. Nutritional support may include high‑calorie formulas, oral nutritional supplements, or, in severe cases, gastrostomy tube placement to ensure adequate growth.===

Cerebro-facio-thoracic dysplasia

Cerebro-facio-thoracic dysplasia is a rare autosomal recessive disorder caused by mutations in the TMCO1 gene. It leads to severe intellectual disability, distinctive facial features, and skeletal abnormalities of the ribs and spine.

Overview

Cerebro-facio-thoracic dysplasia is a rare condition characterized by abnormal development (dysplasia) of the brain (cerebro) and structures in the face (facio) and torso (thoracic). The problems with development lead to the key features of cerebro-facio-thoracic dysplasia, which include severe intellectual disability, distinctive facial features, and abnormalities of the ribs and spinal bones ().

Clinical Features

Neurologic and Developmental

In addition to intellectual disability, individuals with cerebro-facio-thoracic dysplasia have delayed development of speech and movement (motor) skills, and in some, these skills never develop. Nearly one-quarter of affected individuals never learn to speak and almost half are unable to walk. Weak muscle tone (hypotonia) and difficulty feeding occur in some affected infants. People with cerebro-facio-thoracic dysplasia can have neurodevelopmental problems, such as anxiety, autism spectrum disorder, or self-injuring behavior; however, many people with the condition are described as friendly and good-natured.

Facial Features

Distinctive facial features common in cerebro-facio-thoracic dysplasia include a wide, short skull (); or eyebrows that grow together in the middle (); widely spaced eyes (); a ; low-set ears; an upper lip with pronounced curves (); and small teeth (). Some affected individuals have overgrowth of the gums (), an opening in the roof of the mouth (), or a split in the upper lip ().

Thoracic and Skeletal

Problems with bone development in the torso (thorax) commonly leads to bone abnormalities such as two or more ribs that are joined together (fused) or ribs that are abnormally shaped with two prongs at one end (bifid ribs). Many people with cerebro-facio-thoracic dysplasia have abnormal side-to-side curvature of the spine () due to malformation of the vertebrae; some vertebrae may also be fused. Additionally, the shoulder blades can be affected in people with this condition.

Other Systemic Features

A wide variety of other features can occur in cerebro-facio-thoracic dysplasia, such as abnormalities involving the eyes, skin, or hair. Heart defects, digestive problems, or genitourinary problems (such as abnormal kidneys or reproductive organs) can also occur. Affected individuals may also have bone or joint abnormalities in other parts of the body.

Causes & Genetics

Cerebro-facio-thoracic dysplasia is caused by mutations in a gene called TMCO1. This gene provides instructions for making a protein that forms specialized structures called channels through which positively charged calcium atoms (calcium ions) flow. The protein is found in the membrane of a cell structure called the endoplasmic reticulum, which acts as a storage center for calcium ions. When there is too much calcium in the endoplasmic reticulum, four TMCO1 proteins come together to form a channel that releases the excess calcium into the surrounding fluid inside the cell (). Calcium acts as a signal for many cellular functions including control of cell growth and division and gene activity. The proper balance of calcium ions in cells and cell compartments is important for the development and function of various tissues and organs.

TMCO1 gene mutations result in a shortage of TMCO1 proteins. Without this protein, TMCO1 channels cannot form, and excess calcium builds up in the endoplasmic reticulum. The imbalance of calcium ions disrupts development of the brain and structures in the head, face, and torso, resulting in the features of cerebro-facio-thoracic dysplasia.

Learn more about the gene associated with Cerebro-facio-thoracic dysplasia

TMCO1

Inheritance

This condition is inherited in an , which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition.

Other Names

Cerebrofaciothoracic dysplasia
CFSMR
CFTD
Craniofacial dysmorphism, skeletal anomalies, and mental retardation syndrome
Pascual-Castroviejo syndrome
TMCO1 defect syndrome

Resources

Genetic Testing

Genetic Testing Registry: Cerebro-facio-thoracic dysplasia

Information Centers

Genetic and Rare Diseases Information Center: Cerebrofaciothoracic dysplasia

Patient Support

National Organization for Rare Disorders (NORD)

Catalogs

Catalog of Genes and Diseases from OMIM: CRANIOFACIAL DYSMORPHISM, SKELETAL ANOMALIES, AND IMPAIRED INTELLECTUAL DEVELOPMENT SYNDROME 1; CFSMR1

Scientific Articles

PubMed

References

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Michael Yates T, Ng OH, Offiah AC, Willoughby J, Berg JN; DDD Study; Johnson DS. Cerebrofaciothoracic dysplasia: Four new patients with a recurrent TMCO1 pathogenic variant. Am J Med Genet A. 2019 Jan;179(1):43-49. doi: 10.1002/ajmg.a.60678. Epub 2018 Dec 17. Citation on PubMed
Pehlivan D, Karaca E, Aydin H, Beck CR, Gambin T, Muzny DM, Bilge Geckinli B, Karaman A, Jhangiani SN; Centers for Mendelian Genomics; Gibbs RA, Lupski JR. Whole-exome sequencing links TMCO1 defect syndrome with cerebro-facio-thoracic dysplasia. Eur J Hum Genet. 2014 Sep;22(9):1145-8. doi: 10.1038/ejhg.2013.291. Epub 2014 Jan 15. Citation on PubMed or Free article on PubMed Central
Tender JAF, Ferreira CR. Cerebro-facio-thoracic dysplasia (Pascual-Castroviejo syndrome): Identification of a novel mutation, use of facial recognition analysis, and review of the literature. Transl Sci Rare Dis. 2018 Apr 13;3(1):37-43. doi: 10.3233/TRD-180022. Citation on PubMed or Free article on PubMed Central
Wang QC, Zheng Q, Tan H, Zhang B, Li X, Yang Y, Yu J, Liu Y, Chai H, Wang X, Sun Z, Wang JQ, Zhu S, Wang F, Yang M, Guo C, Wang H, Zheng Q, Li Y, Chen Q, Zhou A, Tang TS. TMCO1 Is an ER Ca(2+) Load-Activated Ca(2+) Channel. Cell. 2016 Jun 2;165(6):1454-1466. doi: 10.1016/j.cell.2016.04.051. Epub 2016 May 19. Citation on PubMed or Free article on PubMed Central