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Baló's concentric sclerosis is a disease in which the white matter of the brain appears damaged in concentric layers, leaving the axis cylinder intact. [1] It was described by József Mátyás Baló who initially named it "leuko-encephalitis periaxialis concentrica" from the previous definition, [2] and it is currently considered one of the borderline forms of multiple sclerosis.
Balo concentric sclerosis, an unusual presentation of plaques forming concentrenic circles, which can sometimes get better spontaneously. Schilder disease or diffuse myelinoclastic sclerosis: is a rare disease that presents clinically as a pseudotumoural demyelinating lesion; and is more common in children.
Ballochmyle cup and ring marks Metadata This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
In tumefactive multiple sclerosis, the ring-enhancement is open, not forming a complete ring. Tumefactive multiple sclerosis is a condition in which the central nervous system of a person has multiple demyelinating lesions with atypical characteristics for those of standard multiple sclerosis (MS).
Unusual types of MS have been described; these include Devic's disease, Balo concentric sclerosis, Schilder's diffuse sclerosis, and Marburg multiple sclerosis. There is debate on whether they are MS variants or different diseases. [31] Multiple sclerosis behaves differently in children, taking more time to reach the progressive stage. [5]
Diffuse myelinoclastic sclerosis, sometimes referred to as Schilder's disease, is a very infrequent neurodegenerative disease that presents clinically as pseudotumoural demyelinating lesions, making its diagnosis difficult.
Other diseases in this group are neuromyelitis optica (NMO), Balo concentric sclerosis, and Schilder's disease. [1] The graver course is one form of malignant multiple sclerosis, with patients reaching a significant level of disability in less than five years from their first symptoms, often in a matter of months. [2]
The scleral ring or sclerotic ring is a hardened ring of plates, often derived from bone, that is found in the eyes of many animals in several groups of vertebrates. Some species of mammals, amphibians, and crocodilians lack scleral rings. [1] The ring is in the fibrous outer layer of the eye, called the sclera.