Web1 dec. 2024 · Optic disc melanocytoma (ODM) is a rare, benign tumor that usually occurs within or adjacent to the optic nerve head, sometimes affecting the retina (30%) and choroid (54%). The mean age at diagnosis is 50 years old with a slight preference for females, and it is mostly unilateral with an inferior location to the optic disc [1] , [2] , [3] . Web10 mrt. 2024 · Disease. Optic nerve glioma is a slow-growing tumor, which typically affects children. 30% of patients have associated NF1 & those have better prognosis. Malignant gliomas (glioblastoma) are rare & almost always occur in adult males with a very poor prognosis & almost certain death within one year. Optic-nerve gliomas Comprise about …
ICD-9-CM Diagnosis Code 225.1 : Benign neoplasm of cranial nerves
WebOptic 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. Web26 sep. 2024 · Melanocytoma of optic nerve (MON) is a rare primarily benign lesion, but due to its malignant potential—estimated around 1–2% of cases (Shields et al. 2006 ), possible complications and the clinical similarities with other pigmented optic nerve lesions, such as malignant melanomas, one should be able to know and recognize clinical … top gun ott
The Evaluation and Management of Optic Disc …
WebMelanocytomas are typically small, averaging 2 mm in diameter and 1 mm in thickness, and are almost always unilateral. Associated findings on exam may include optic nerve … Web1 okt. 2024 · Melanocytoma, retina; ICD-10-CM D31.20 is grouped within Diagnostic Related Group(s) (MS-DRG v 40.0): 124 Other disorders of the eye with mcc; 125 Other … Web7 feb. 2014 · Optic nerve head (ONH) melanocytoma is a benign pigmented tumor that is detected as a dark brown mass on or adjacent to the optic disc. Ultrasonography, optical coherence tomography (OCT), and fundus fluorescein angiography (FFA) can be used to differentiate it from other pigmented tumor as well as to monitor tumor growth. top gun original youtube