Torakal spinal ekstradural araknoid kist

Araknoid kistler, araknoid ile piamater arasında, araknoid membranın duplikasyonu ile oluşan kistlerdir. Spinal kanalın ekstradural araknoid kistleri; konjenital veya edinsel olarak görülen oldukça nadir patolojilerdir. Bu kistler idiyopatik, posttravmatik ve araknoidit sonrası gelişebilirler. 32 yaşında erkek hasta bir ay önce başlayan idrar retansiyonu ve yürüme bozukluğu nedeniyle polikliniğe müracaat etti. Çekilen Torakal Magnetik Rezonans Görüntülemede Torakal 7-8 hizasında ekstradural yerleşimli, beyin omurilik sıvısı ile uyumlu görüntü veren kistik oluşum görüldü. Hasta opere edildi. Histopatolojik inceleme sonucunda araknoid kist tanısı konuldu. Olgu çok nadir bir patoloji olduğu için sunuldu.

Thoracal spinal extradural arachnoid cyst

Arachnoid cyst are fluid-filled that are located between the arachnoid and piamater or duplicationof arachnoid membrane. Extradural arachnoid cysts in the spine are rare and primary are congenital or acquired. These are occurring idiopathic, posttraumatic and post arachnoiditis. A 32 year-old male patient is became a clinic with urinary retention and gait disorders. Thoracic Magnetic Resonance Imaging showed a spinal extradurally cystic mass isointense with that cerebro-spinal fluid at T7-8 level. Patient underwent an operation. The diagnosis of arachnoid cyst was made based on histopathology exam. The case was reported due to very rare occurrence of this entity.

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