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2.  Spinal gout tophus: a very rare cause of radiculopathy 
European Spine Journal  2011;21(Suppl 4):400-403.
Gout is a common metabolic disease characterized by the development of arthritis and nephropathy related to the deposition of monosodium urate crystals within the joints, periarticular tissues, skin and kidneys. Tophus formation seen around the spinal column is very rare, while occurrences of spinal gout tophus without systemic gout disease are much more unique. In our study, we report a spinal gout case that presented with right sciatica without previous history of systemic gout disease.
doi:10.1007/s00586-011-1847-x
PMCID: PMC3369051  PMID: 21594750
Gout tophus; Radiculopathy; Spinal column; Management
3.  Chronic subdural hematoma in a child with acute myeloid leukemia after leukocytosis 
Severe complications that develop in the early stages in patients with acute leukemia have a mortal course. Bleeding, leukostasis, and less frequently, infections are responsible for early mortality. Hemorrhage is most common in acute leukemia and usually leads to death. Hemorrhage may occur due to chemotherapy or bone marrow transplantation in patients with acute leukemia. Leukocytosis, thrombocytopenia, sepsis, and coagulopathy increase the risk of bleeding. There may be multiple etiologic factors. Subdural or subarachnoid hemorrhage is less common than an intra-axial hemorrhage. The incidence of spontaneous subdural hematoma is higher in patients with leukemia. Although advances in the treatment of platelet transfusion and disseminated intravascular coagulation have decreased the incidence of hemorrhagic complications in patients receiving chemotherapy for acute leukemia, intracranial hemorrhage-related deaths are a significant problem. We discussed the etiology and management of chronic subdural hematoma detected in a two-year-old male patient with Acute Myeloid Leukemia and hyperleukocytosis.
doi:10.4103/0972-5229.106508
PMCID: PMC3610458  PMID: 23559733
Acute myeloid leukemia; child; leukocytosis; subdural hematoma
4.  Giant Occipitocervical Lipomas: Evaluation with Two Cases 
Lipomas are capsulated benign tumours that are commonly found in all body parts. A lipoma is a well-defined mesenchymal tumour that arises from the adipose tissue. Although giant lipomas are rare in the head and neck regions, when they are located here, they are most commonly found in the subcutaneous posterior neck area. Recurrence as well as invasion is very rare after total surgical excision. In this article, we present two rare cases of giant lipomas in the posterior occipitocervical region, which is an exceptional location.
doi:10.4103/0974-2077.101387
PMCID: PMC3483582  PMID: 23112521
Cervical; giant; lipoma; occipital
5.  Management of Thoracal and Lumbar Schwannomas Using a Unilateral Approach without Instability: An Analysis of 15 Cases 
Asian Spine Journal  2012;6(1):43-49.
Study Design
Retrospective case series.
Purpose
The objectives of this study were to determine and discuss the surgical planning of patients who underwent operations following diagnoses of thoracal and lumbar spinal schwannomas. We also aimed to discuss the application of unilateral hemilaminectomy for the microsurgery of schwannomas.
Overview of Literature
Schwannomas are located in different regions and sites. These differences require several surgical approaches. Unilateral laminectomy without stabilization of the spine provides a more minimally invasive removal of the tumor.
Methods
In this retrospective study, 15 patients with spinal schwannomas were evaluated with regards to age, sex, onset history, neurological findings, tumor locations, McCormick scale, surgical procedure, and operational results. The lateral approach provides exposure of intradural structures and posterior paraspinal regions. Extensions of tumors cause problem for the surgeon in terms of approach, resectability of the tumor, and stability of the spine. Gross total resection was achieved in all cases, and none of the patients necessary required a fusion procedure.
Results
Five patients were males and 10 were females. The age interval was 29-65 years. The tumor was located in the lumbar region in 9 patients, in the thoracic region in 2 patients, and in the thoracolumbar junction in 4 patients. The intradural lesions were removed by laminectomy and the extradural lesions were resected with hemilaminectomy. The paramedian route was used to explore the extraspinal part of the tumor. Costotransversectomy was for the thoracic region. Subtotal resection was performed in 1 patient. Patient symptoms recovered gradually in the postoperative period.
Conclusions
Resection of giant schwannomas is challenging and usually requires a different approach. We describe the complete resection of complex dumbbell or paraspinal schwannomas of the thoracic and lumbar spine by unilateral hemilaminectomy.
doi:10.4184/asj.2012.6.1.43
PMCID: PMC3302914  PMID: 22439087
Thoracolumbar Schwannoma; Unilateral approach; Instability; Management
6.  Cystic mature teratoma of the thoracic region in a child: An unusual case 
Cystic mature teratomas of the spinal cord are rare lesions. Teratomas account for up to 0.1% of all spinal cord tumors. Teratomas include tissues that originate from the three germ layers. Several congenital disorders may accompany the teratoma. Teratomas are classified as mature, immature or malignant type according to their histological characteristics. Thoracic spinal teratomas are uncommon in the pediatric age group. More than half of the patients are adults. We present herein a five-year-old male patient who was referred to our clinic with cystic mature teratoma at the T12 level.
doi:10.4103/0976-3147.83591
PMCID: PMC3159361  PMID: 21897688
Mature teratoma; spinal tumor; thoracic region; treatment

Results 1-6 (6)