Fibrous dysplasia (FD) is a progressive systemic bone tumour of young and it can be seen on cranial bones. FD is divided into three types according to radiological features. The second most common subtype is polyostotic subtype. With this article, we aimed to review and present clinical features, radiological examination, differential diagnosis and treatment management of a case of solitary monostotic fibrous dysplasia of occipital bone. 15 years old female patient admitted to our hospital for a bump and in the back of his head that she noticed 1 month ago. Her physical and neurological examination was normal. On cranial CT examination we detected a bony defect. Her gadolinium enhanced cranial MRI revealed bony defect along with massive gadolinium enhancement in adjacent tissue. On histopathologic examination; PANCK, CD68, CD1a were found negative and CD45, S-100, Vimentine were found positive. Ki-67 was 4,8%. In conclusion, fibrous dysplasia is a progressive bone disease of the young patients. Despite its resemblance to a benign lesion by not being symptomatic it can progress and cause severe bony defects and skin lesions. Total surgical resection is necessary and sufficient for total treatment.
Intradural disc herniation is a rare entity that occurs most frequently in the lumbar spine. Most often it is diagnosed intraoperatively. Acute onset of bilateral foot drop due to intradural disc herniation without any sign of the cauda equina syndrome is also extremely rare. We described a case of a 41-yearold male who presented to us with acute onset bilateral foot drop without any sign of the cauda equina syndrome. He had previously been diagnosed as having multiple-level intervertebral herniations and managed conservatively. He was admitted to the emergency room with acute onset bilateral foot drop. Lumbar MRI revealed multiple-level disc herniations and extruded disc fragment at L2-L3 level. L2 and L3 laminectomies were performed and a hard intradural mass was palpable. On opening the dura a fragment of intervertebral disc was found with a small defect in the anterior dura. The fragment was removed and the dura was sutured. The patient recovered well from the surgery. Intradural disc herniation must be considered in the differential diagnosis of acute onset bilateral foot drop without any sign of the cauda equina syndrome. ani Gelişen bilateral izole Düşük ayak ile Gelen intradural Disk Herniasyonuİntradural disk herniasyonu en sık olarak lomber omurgada oluşan ender bir durumdur. Genellikle intraoperatif olarak tanı konur. İntradural disk herniasyonu nedeni ile ani gelişen ve kauda ekuina sendromu bulguları eşlik etmeyen bilateral izole düşük ayak çok enderdir. Biz kauda ekuina sendromu bulguları eşlik etmeyen ani gelişen bilateral düşük ayak ile gelen 41 yaşında bir erkek olguyu sunduk. Hastaya daha önce çok seviyeli intervertebral disk hastalığı tanısı konmuş ve konservatif olarak takip ediliyormuş. Hasta acil servise ani gelişen bilateral düşük ayak yakınması ile başvurdu. Lomber MRG incelemesinde çok seviyeli intervertebral disk ve L2-L3 seviyesinde ekstrude disk fragmanı tesbit edildi. L2 ve L3 laminektomi yapıldı ve sert bir intradural kitle palpe edildi. Dura açıldığında anterior durada küçük bir yırtıkla birlikte intervertebral disk parçası bulundu. Parça çıkarıldı ve yırtık dikildi. Hastanın durumu cerrahiden sonra düzeldi. İntradural disk herniasyonları kauda ekuina sendromu bulguları eşlik etmeyen ani gelişen bilateral düşük ayak hastalığı-nın ayırıcı tanısında akılda tutulmalıdır.
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