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Other common locations include the adrenal gland, paraspinal retroperitoneum, posterior mediastinum, head, and neck. [1] It is contained within the neuroblastic tumors group, which includes: [ 3 ] Ganglioneuroma (benign), Ganglioneuroblastoma (intermediate), Neuroblastoma (aggressive).
A schwannoma (or neurilemmoma) is a usually benign nerve sheath tumor composed of Schwann cells, which normally produce the insulating myelin sheath covering peripheral nerves. Schwannomas are homogeneous tumors, consisting only of Schwann cells.
A mediastinal tumor is a tumor in the mediastinum, the cavity that separates the lungs from the rest of the chest. It contains the heart , esophagus , trachea , thymus , and aorta . The most common mediastinal masses are thymoma (20% of mediastinal tumors), usually found in the anterior mediastinum, followed by neurogenic Timor (15–20% ...
Malignant schwannoma, [1] Neurofibrosarcoma, [1] and Neurosarcoma [1] Micrograph of malignant peripheral nerve sheath tumour with the typical herringbone pattern.
Unilateral VS plus any two of meningioma, glioma, neurofibroma, schwannoma, posterior subcapsular lenticular opacities; Two or more meningioma plus unilateral VS or any two of glioma, schwannoma and cataract. Another set of diagnostic criteria is the following: [citation needed] Detection of bilateral acoustic neuroma by imaging-procedures
MRI of a patient with anaplastic astrocytoma. The WHO classification of tumours of the central nervous system is a World Health Organization Blue Book that defines, describes and classifies tumours of the central nervous system (CNS).
The most common cerebellopontine angle (CPA) tumor is a vestibular schwannoma affecting cranial nerve VIII (80%), followed by meningioma (10%). The cranial nerves affected are (from most common to least common) : VIII (cochlear component), VIII (vestibular component), V Acoustic neuroma/vestibular schwannoma
The mediastinum (from Medieval Latin: mediastinus, lit. 'midway'; [2] pl.: mediastina) is the central compartment of the thoracic cavity.Surrounded by loose connective tissue, it is a region that contains vital organs and structures within the thorax, namely the heart and its vessels, the esophagus, the trachea, the vagus, phrenic and cardiac nerves, the thoracic duct, the thymus and the lymph ...
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