Occasionally seen are chronic hip dysplasia, renal disease, and epilepsy. There is another retinal disease in Briards known as hereditary retinal dysplasia. M8470/1 Mucinous cystic tumor with moderate dysplasia (C25. Some mutations in genes associated with renal dysplasia (in syndromes) have been determined. At phenotype level this manifests with overlapping mandibuloacral dysplasia and progeria syndrome. This includes polycystic brains associated with ectodermal dysplasia, frontonasal dysplasia, and Joubert syndrome. Some lines may be susceptible to hypothyroidism, epilepsy, hip dysplasia, or skin allergies. Mitchell developed osteoarthritis as a result of hip dysplasia. Photodynamic therapy may have promise in treating mucosal dysplasia and small head and neck tumors. This dwarfism type is caused by an endocrine disorder and not a skeletal dysplasia. In most cases of skeletal dysplasia, such as achondroplasia, mental function is not impaired. Azawakhs have no known incidence of hip dysplasia. Some GSP are prone to epilepsy, hip dysplasia, and hermaphroditism. Types of DDH include subluxation, dysplasia, and dislocation. They also aid in the differential diagnosis of skeletal dysplasia subtypes.