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Optic nerve melanocytoma does not usually produce symptoms or grow. If they slowly grow, optic nerve melanocytoma can produce afferent pupillary defects (30%), subretinal fluid (10%), and an enlarged blind spot (75%). On fundoscopic exam, the optic disc may be swollen, atrophic, or even normal. [1] Central retinal vein occlusion may occur.
However elective treatment of the N0 neck region remains a controversial topic Radiotherapy [ 4 ] If a salivary gland tumour is cancerous, Radiation Therapy may be necessary Fast neutron therapy has been used successfully to treat salivary gland tumours, [ 13 ] and has shown to be significantly more effective than photons in studies treating ...
236 Neoplasm of uncertain behavior of genitourinary organs; 237 Neoplasm of uncertain behavior of endocrine glands and nervous system. 237.0 Pituitary gland and craniopharyngeal duct. Pituitary adenoma; 237.7 Neurofibromatosis; 238 Neoplasm of uncertain behavior of other and unspecified sites and tissues 238.4 Polycythemia vera
This is a shortened version of the sixth chapter of the ICD-9: Diseases of the Nervous System and Sense Organs.It covers ICD codes 320 to 389.The full chapter can be found on pages 215 to 258 of Volume 1, which contains all (sub)categories of the ICD-9.
A neoplasm (/ ˈ n iː oʊ p l æ z əm, ˈ n iː ə-/) [1] [2] is a type of abnormal and excessive growth of tissue. The process that occurs to form or produce a neoplasm is called neoplasia . The growth of a neoplasm is uncoordinated with that of the normal surrounding tissue, and persists in growing abnormally, even if the original trigger ...
The most common symptoms of CNS tumors are headache, vomiting, and nausea. Symptoms vary depending on the tumor and may include unsteady gait, slowed speech, memory loss, loss of hearing and vision, problems with memory, narrowing of visual field, and back pain. Symptoms may also vary greatly between individuals with the same tumor type.
CT in patient with VHL syndrome through the petrous ridge demonstrates bone erosion at the site of the endolymphatic sac tumor, typical of the locally aggressive behavior of this tumor (curved arrow). Imaging studies help to identify the tumor and the specific anatomic site of involvement.
This is a shortened version of the sixteenth chapter of the ICD-9: Symptoms, Signs and Ill-defined Conditions. It covers ICD codes 780 to 799 . The full chapter can be found on pages 455 to 471 of Volume 1, which contains all (sub)categories of the ICD-9.