They are caused by an abnormal function of the lysosomal enzymes, which blocks degradation of mucopolysaccharides and leads to accumulation of harmful byproducts, namely, heparan sulfate, dermatan sulfate, and keratan sulfate. The resulting cellular malfunction can lead to a diverse array of skeletal and visceral manifestations. MPS have been subcategorized according to the type of enzyme inadequacy and glycoprotein accumulated. Cleidocranial dysostosis
Cleidocranial dysostosis is a general skeletal condition named for the collarbone (cleido-) and cranium deformities which people with it often have. Common features include:
Partly or completely missing collarbones. A soft spot or larger soft area in the top of the head where the fontanelle failed to close. Bones and joints are underdeveloped. The permanent teeth include supernumerary teeth. Permanent teeth not erupting
Bossing (bulging) of the forehead. Hypertelorism

Fibrous dysplasia
Fibrous dysplasia causes bone thinning and growths or lesions in one or more bones of the human body. These lesions are tumor-like growths that consist of replacement of the medullary bone with fibrous tissue, causing the expansion and weakening of the areas of bone involved. Especially when involving the skull or facial bones, the lesions can cause externally visible deformities. The skull is often, but not necessarily, affected, and any other bones can be involved. Langer–Giedion syndrome
Langer–Giedion syndrome is a very rare genetic disorder caused by a deletion of chromosomal material. Diagnosis is usually made at birth or in early childhood.
Pulmonary rehabilitation may alleviate symptoms in some people, such as those with COPD, but will not cure the underlying disease. Fan therapy to the face has been shown to relieve shortness of breath in patients with a variety of advanced illnesses including cancer. The mechanism of action is thought to be stimulation of the trigeminal nerve. Palliative medicine
Systemic immediate release opioids are beneficial in emergently reducing the symptom severity of shortness of breath due to both cancer and non cancer causes; long-acting/sustained-release opioids are also used to prevent/continue treatment of dyspnea in palliative setting. There is a lack of evidence to recommend midazolam, nebulised opioids, the use of gas mixtures, or cognitive-behavioral therapy yet. Non-pharmacological techniques
Non-pharmacological interventions provide key tools for the management of breathlessness. Potentially beneficial approaches include active management of psychosocial issues (anxiety, depression, etc. ), and implementation of self-management strategies, such as physical and mental relaxation techniques, pacing techniques, energy conservation techniques, learning exercises to control breathing, and education. The use of a fan may possibly be beneficial. Cognitive behavioural therapy may also be helpful. Pharmacological treatment
For people with severe, chronic, or uncontrollable breathlessness, non-pharmacological approaches to treating breathlessness may be combined with medication. For people who have cancer that is causing the breathlessness, medications that have been suggested include opioids, benzodiazepines, oxygen, and steroids.