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Optic Nerve Glioma

Patterson RAP - MedPix

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Optic Nerve Glioma

History: 2 y.o. noted to have right sided proptosis

Findings: Right sided intraconal solid spherical mass continuous with the optic nerve. Meninges appear to be intact around mass with CSF surrounding mass. Mass appears to be confined within orbit and does not involve the optic chiasm. The signal intensity of the mass in T1W images is similar to the signal intensity of the optic nerves and brain matter. On T2W images, the mass again has similar intensity to the optic nerves and brain matter and has a higher intensity than the musculature. On T1W images, post-gadolinium, the mass shows fairly uniform contrast enhancement

Ddx: Most Common Orbital Malignancies of Children: Rhabdomyosarcoma (Primary) Neuroblastoma (usually metastatic) Retinoblastoma (intraocular) Most Common Orbital Masses: Benign cysts (Teratoma, dermoid, epidermoid, congenital cystic eye) Vascular lesions (capillary hemangioma, cavernous hemangioma, AVM, lymphangioma) Neurogenic Orbital Masses of Children: Optic nerve glioma Optic sheath meningioma Sphenoid wing meningioma Schwannoma Neurofibroma Less Common Considerations: Langerhans’ Cell Histiocytosis Lacrimal gland lesions (cysts, tumors) Inflammatory process or infection

Exam: Right sided proptosis, otherwise WNL

No MeSH data available.


Right sided intraconal solid spherical mass continuous with the optic nerve. Meninges appear to be intact around with sleeve of CSF surrounding the mass. It appears to be confined within the orbit and does not extend to involve the optic chiasm. The signal intensity on T1W is similar to the optic nerves. On T2W images, the mass again has similar intensity to the optic nerves, but has a higher intensity than the musculature. On T1W images after gadolinium, the mass shows fairly uniform contrast enhancement
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MPX2349_synpic26327: Right sided intraconal solid spherical mass continuous with the optic nerve. Meninges appear to be intact around with sleeve of CSF surrounding the mass. It appears to be confined within the orbit and does not extend to involve the optic chiasm. The signal intensity on T1W is similar to the optic nerves. On T2W images, the mass again has similar intensity to the optic nerves, but has a higher intensity than the musculature. On T1W images after gadolinium, the mass shows fairly uniform contrast enhancement


Optic Nerve Glioma

Patterson RAP - MedPix

Right sided intraconal solid spherical mass continuous with the optic nerve. Meninges appear to be intact around with sleeve of CSF surrounding the mass. It appears to be confined within the orbit and does not extend to involve the optic chiasm. The signal intensity on T1W is similar to the optic nerves. On T2W images, the mass again has similar intensity to the optic nerves, but has a higher intensity than the musculature. On T1W images after gadolinium, the mass shows fairly uniform contrast enhancement
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX2349&req=5

MPX2349_synpic26327: Right sided intraconal solid spherical mass continuous with the optic nerve. Meninges appear to be intact around with sleeve of CSF surrounding the mass. It appears to be confined within the orbit and does not extend to involve the optic chiasm. The signal intensity on T1W is similar to the optic nerves. On T2W images, the mass again has similar intensity to the optic nerves, but has a higher intensity than the musculature. On T1W images after gadolinium, the mass shows fairly uniform contrast enhancement

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Optic Nerve Glioma

History: 2 y.o. noted to have right sided proptosis

Findings: Right sided intraconal solid spherical mass continuous with the optic nerve. Meninges appear to be intact around mass with CSF surrounding mass. Mass appears to be confined within orbit and does not involve the optic chiasm. The signal intensity of the mass in T1W images is similar to the signal intensity of the optic nerves and brain matter. On T2W images, the mass again has similar intensity to the optic nerves and brain matter and has a higher intensity than the musculature. On T1W images, post-gadolinium, the mass shows fairly uniform contrast enhancement

Ddx: Most Common Orbital Malignancies of Children: Rhabdomyosarcoma (Primary) Neuroblastoma (usually metastatic) Retinoblastoma (intraocular) Most Common Orbital Masses: Benign cysts (Teratoma, dermoid, epidermoid, congenital cystic eye) Vascular lesions (capillary hemangioma, cavernous hemangioma, AVM, lymphangioma) Neurogenic Orbital Masses of Children: Optic nerve glioma Optic sheath meningioma Sphenoid wing meningioma Schwannoma Neurofibroma Less Common Considerations: Langerhans’ Cell Histiocytosis Lacrimal gland lesions (cysts, tumors) Inflammatory process or infection

Exam: Right sided proptosis, otherwise WNL

No MeSH data available.