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The olfactory epithelium consists of olfactory sensory cells, sustentacular cells and basal cells. [1] Esthesioneuroblastoma consists of lobular sheets with neurofibrullar fibers and rosettes. [ 4 ] Hyam's classifications are an important way of determining prognosis.
Esthesioneuroblastoma, also known as olfactory neuroblastoma, is believed to arise from the olfactory epithelium and its classification remains controversial. However, since it is not a sympathetic nervous system malignancy, esthesioneuroblastoma is a distinct clinical entity and is not to be confused with neuroblastoma.
Neuroblastoma is a rare form of a malignant cancer which can start in the olfactory nerve, which is responsible for smell sensation. This cancer can become aggressive and progress into the ethmoid sinuses, brain cavity, surrounds the cribriform plate.
Pseudorosettes are present in neuroblastoma, medulloblastoma, malignant melanoma, ependymoma, Merkel cell carcinoma, neuroendocrine tumor of the skin, seborrheic keratosis, dendritic cell neurofibroma, astroblastoma, large cell neuroendocrine tumor of the cervix, clear cell ependymoma of the spinal cord, celiac disease, nasal tumor of olfactory ...
Malignant peripheral nerve sheath tumor. Back skin, 65-year-old man. MPNST. Symptoms may include: Swelling in the extremities (arms or legs), also called peripheral edema; the swelling often is painless.
The olfactory system, is the sensory system used for the sense of smell (olfaction). Olfaction is one of the special senses directly associated with specific organs. Most mammals and reptiles have a main olfactory system and an accessory olfactory system. The main olfactory system detects airborne substances, while the accessory system senses ...
A nerve sheath tumor is a type of tumor of the nervous system (nervous system neoplasm) which is made up primarily of the myelin surrounding nerves.Nerve sheath tumors can be benign or malignant, and may affect both the peripheral and central nervous systems.
Coiled coil domain containing protein 120 (CCDC120), also known as JM11 protein, is a protein that, in humans, is encoded by the CCDC120 gene. [5] The function of CCDC120 has not been formally identified but structural components, conservation, and interactions can be identified computationally.