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A synchondrosis (or primary cartilaginous joint) is a type of cartilaginous joint where hyaline cartilage completely joins together two bones. [1] Synchondroses are different from symphyses (secondary cartilaginous joints), which are formed of fibrocartilage , and from synostosis (ossified junctions), which is the fusion of two or more bones.
Rhabdomyosarcoma is the most common soft-tissue sarcoma in children as well as the third most common solid tumor in children. Recent estimates place the incidence of the disease at approximately 4.5 case per 1 million children/adolescents with approximately 250 new cases in the United States each year.
Prognosis depends on how early the cancer is discovered and treated. For the least aggressive grade, about 90% of patients survive more than five years after diagnosis. People usually have a good survival rate at the low-grade volume of cancer. [3] For the most aggressive grade, only 10% of patients will survive one year. Tumors may recur in ...
This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e.g., Aicardi syndrome). There is disagreement over the definitions and criteria used to delineate various disorders and whether some of these conditions should be classified as ...
Symptoms may include swelling and pain at the site of the tumor, fever, and a bone fracture. [2] The most common areas where it begins are the legs, pelvis, and chest wall. [4] In about 25% of cases, the cancer has already spread to other parts of the body at the time of diagnosis. [4] Complications may include a pleural effusion or paraplegia. [3]
They account for less than 1% of all new cancer cases each year. [21] In 2023, about 14,300 new cases were diagnosed in the United States. [21] Soft-tissue sarcomas are more commonly found in older patients (>50 years old), although in children and adolescents under age 20, certain histologies are common (rhabdomyosarcoma, synovial sarcoma). [13]
However, online communities for synovial chondromatosis patients have yielded a stark contrast, with equal representation from both genders and members diagnosed as young as late teenage/early 20s. Familial synovial chondromatosis with dwarfism introduces characteristics of dwarfism .
About 15% of all cancer-related deaths in the pediatric age group are related to this disease, with incidence of around 10.2 cases per million children younger than 15 years old and 500 new cases reported every year. 90% of these cases are diagnosed before 5 years of age, but 30% of them are found within the first year of life.