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Neuroblastoma often spreads to other parts of the body before any symptoms are apparent, and 50 to 60% of all neuroblastoma cases present with metastases. [8] The most common location for neuroblastoma to originate (i.e., the primary tumor) is in the adrenal glands. This occurs in 40% of localized tumors and in 60% of cases of widespread disease.
Adrenal neuroblastoma typically presents with a rapidly enlarging abdominal mass. Although the tumor has often spread to distant parts of the body at the time of diagnosis, this cancer is unusual in that many cases are highly curable when the spread is limited to the liver, skin, and/or bone marrow (stage IVS).
The World Health Organization has classified the central nervous system primitive neuroectodermal tumors into five subtypes: neuroblastoma, ganglioneuroblastoma, medulloepithelioma, ependymoblastoma, and not otherwise specified PNET. [1] The last one encompasses the PNETs with varying characteristics that hasn't been well defined yet. [1]
The following is a list of nerves in the human body: Location. Distribution of the areas of the sensory roots upon the surface of the body.
This protein is located in the cell nucleus and must dimerize with another bHLH protein in order to bind DNA. [5] N-Myc is highly expressed in the fetal brain and is critical for normal brain development. [6] The MYCN gene has an antisense RNA, N-cym or MYCNOS, transcribed from the opposite strand which can be translated to form a protein ...
The tumor composition, location and metastatic characteristics as well as the treatment plan determine prognosis. Common clinical classification systems for esthesioneuroblastoma include the Kadish classification and the Dulguerov classification. Histopathological characteristics on top of Kadish classification can further determine cancer ...
The most common type of plastic they found was polypropylene, followed by polyamide, nylon and polyethylene vinyl acetate. “Propylene is everywhere, in furniture, rugs, clothes,” Mauad said.
Retinoblastoma is a rare form of eye neoplasm (found in the retina) that is mostly found in children, being the most common intraocular malignancy of infancy and childhood. The incidence is of one case per every 15,000 to 20,000 live births, and some of the most common symptoms of this disease are leukocoria and strabismus, iris rubeosis ...