Abstract :
A rare side effects of idiopathic inflammatory demyelinating disorders of the central nervous system (CNS) include tumefactive demyelinating lesions. Tumefactive demyelinating lesions have been described by several names in the literature, including pseudotumoral demyelinating lesions, tumefactive or tumorlike MS, and tumorlike demyelinating lesions, among other designations Because they can mimic tumors and abscesses and can be caused by a wide variety of illnesses, tumefactive demyelinating lesions pose a diagnostic difficulty. On imaging, tumefactive demyelination resembles primary brain neoplasms, frequently requiring a brain biopsy. Consequently, in order to make a diagnosis in these cases, brain biopsies are frequently performed, which raises morbidity and delays therapy.
Keyword :
Tumefactive demyelinating lesions (TDL), Multiple sclerosis, Mass effect, Edema, Glioma.