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Yıl:2009; Cilt: 46; Sayı: 4>> Özet
TAM METİN
Nöropsikiyatri Arşivi; 2009;46(4):192-196
Posterior (Bilateral Parietooksipital) Kortikal Atrofi: Bir Olgu Sunumu
B Arpacı
Bakırköy Prof. Dr. Mazhar Osman Ruh Sağlığı ve Sinir Hastalıkları Eğitim ve Araştırma Hastanesi, İstanbul
Bilimsel Zemin: Primer dejeneratif demanslar erken dönemlerde farklı özellikler gösterebilirler. Simetrik ya da asimetrik fokal dejenerasyonla başlayabilirler. Posterior kortikal atrofi daha nadir görülen bir demans sendromudur. Klinik bulgular, nöropsikolojik inceleme ve nörogörüntüleme ile değerlendirmek mümkündür. Kesin tanı patolojik olarak yapılır.

Amaç: Fokal primer demanslardan bilateral parietooksipital atrofiyle giden vizüospasyal fonksiyon bozuklukların ön planda olduğu bir olgunun klinik özelliklerini çeşitli yönleriyle literatür bilgileriyle tartışmaktır.

Bulgular: Nörokognitif değerlendirmede, vizuospasyal ve konstrüksiyon yetilerinde, yüz tanımada, praksik fonksiyonlarda, yazı yazmada belirgin, bellekte, verbal akıcılıkta hafif bozukluk saptanmıştır. Kraniyal MRG'de parietooksipitallerde belirgin atrofi, SPECT'te sağda temporoparitalde belirgin oksipital bölgeyede perfüzyon azlığı saptanmıştır. Rutinler ve diğer laboratuar incelemeleri normal bulunmuştur.

Sonuç: Memantin başlanan hastanın, 4 ay sonraki değerlendirmesinde, traktörü geçici bir süre kullanabilmiş ve yerine yerleştirmiş ancak daha sonra var olan bulgular ilerleme göstermiştir.
Posterior (Bilateral Parieto-occipital) Cortical Atrophy: A Case Study
Scientific Background: Primary degenerative dementia can show different features in the early stages and can start with asymmetric or symmetric focal degeneration. Posterior cortical atrophy is a rare progressive dementia syndrome which can be evaluated, using neuropsychological tests and neuroimaging techniques, along with clinical features. Definitive diagnosis is made histopathologically.

Objective: To discuss the clinical features of a case with posterior cortical atrophy, characterized by progressive visuospatial disorder, and the differential diagnosis, under the light of related literature.

Results: Neurocognitive assessment revealed a serious visuospatial and constructional disturbance as well as facial recognition defects, dressing apraxia and agraphia, and a mild memory and verbal fluency impairment. Cranial MRI demonstrated bilateral parieto-occipital atrophy, and the SPECT investigation showed decreased perfusion in the right temporoparieto occipital region compared to the left hemisphere. Routine and other laboratory investigations were normal.

Conclusion: The patient was started on memantine with a daily dose of 20 mg, twice a day. After four [month]s, he became temporarily able to drive and park his tractor, but, the symptoms progressed later.

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