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Creutzfeldt-Jakob Disease: Histopathologic, Electron Microscopic and Immunohistochemical Studies of 2 Cases.
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HOME > J Pathol Transl Med > Volume 30(9); 1996 > Article
Case Report Creutzfeldt-Jakob Disease: Histopathologic, Electron Microscopic and Immunohistochemical Studies of 2 Cases.
Duck Hwan Kim, Yeon Lim Suh, Duck Ryul Na, Won Kyu Joo, Yong Sun Kim
Journal of Pathology and Translational Medicine 1996;30(9):830-838
DOI: https://doi.org/
1Department of Diagnostic Pathology, Samsung Medical Center, Seoul, Korea.
2Department of Neurology, Samsung Medical Center, Seoul, Korea.
3Institute of Environment and Life Science, Hallym University, Seoul, Korea.
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Creutzfeldt-Jakob disease(CJD) is characterized clinically by rapidly progressive dementia with pyramidal, extrapyramidal, and cerebellar symptoms and signs, and histologically by spongiform change, neuronal loss and reactive gliosis. We have experienced 2 cases of CJD. Case 1 was a 36-year-old male who had suffered from myoclonus and cerebellar symptoms including sluggish speech, gait and balance disturbance. Case 2 was a 70-year-old female who had showed cognitive dysfunction, ataxic gait and disturbance of extraocular movement. Both patients, underwent brain biopsy.
Case
1 revealed marked cortical atrophy, 2mm in thickness, with neuronal loss and astrocytic proliferation extending into white matter. The spongiform change, made up of many small, usually rounded or oval, vacuoles was noted mainly in the neuropil. Case 2 revealed remarkable spongiform change throughout the cortex and cytoplasmic vacuoles compressing the nuclei of neuronal cells were numerous. Neuronal loss and gliosis were also found without considerable change in the white matter. On double immunostaining against GFAP and PrP(Prion Protein), there was a weak positive reaction for PrP in the perinuclear cytoplasm in case 1, and a strongly positive reaction in case 2. The electron microscopic examination showed numerous membrane-bound vacuoles in neuropil and perikarya of neurons. The majority of the vacuoles were multiseptated by thin membranous structures. They demonstrated curled, or disrupted membrane, that had foldings and protrusions into the vacuolar clear spaces. There were neither identifiable virus-like particles nor amyloid deposition.

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