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Background: Subacute subdural hematoma (SASDH) is an entity which is yet to capture the popular imagination among the neurosurgeons. Its management is often equated clinically to that of the chronic subdural hematoma (CSDH). However, their neurological deterioration is usually rapid, which seems to align them with acute subdural hematoma (ASDH). We proceed for their epidemiological evaluation. The advantages of a novel "double barrel technique (DbT)" over the conventional burrhole drainage are also presented., Methods: This retrospective study was conducted on all the patients having clinical and radiological evidence of SASDH, admitted to a tertiary care referral institute, during the period August 2013 to December 2015. Postoperatively, patients were followed-up for 3-24 months., Results: 46.87% of the patients belonged to the 35-54 year age group with a male predominance (3.6:1); 68.7% had a history of alcohol abuse, whereas aspirin users were 25%. 87.5% cases were unilateral, 18.75% were hemispheric, and 46.87% were present on the left side. Altered consciousness (100%) followed by headache (37.5%) were the most common presenting clinical features., Conclusion: SASDH is an uncommon neurosurgical entity (0.89% of traumatic brain injury cases in our study) and mimics both CSDH as well as ASDH. The true incidence of SASDH may have been underestimated due to its clinical imitation with CSDH. This study in a South Asian nation also provides the epidemiological data of this rare neurosurgical entity. Outcome of surgery is good; our retrospective study confirms that "DbT" is an adequate and safe treatment. However, a better designed, randomized control trial will be needed to reinforce our findings.

Background: Intramedullary spinal cord metastases (IMSCM) are typically drop lesions from intracranial metastases and are a rare manifestation of systemic malignancy (8.5% of central nervous system metastases). They arise from primaries such as the lungs, breast, kidney, melanoma, or lymphoma. On the other hand, they arise very rarely from papillary thyroid carcinoma (PTC), even though it is the most common type of primary thyroid malignancy., Case Description: A 54-year-old male presented with pain in the lower back along with tingling, numbness, and weakness in the bilateral lower limbs. This was associated with urine incontinence for 1½ months. In the previous month, he developed a left-sided solitary thyroid nodule. Fine needle aspiration cytology and ultrasonography were suggestive of metastasis. Furthermore, the thoracolumbar magnetic resonance imaging showed T1-hypo and T2-hyper-intense D11-D12 level intramedullary lesion, with intense enhancement, which was consistent with an intramedullary lesion involving the conus. At surgery, a firm, brownish yellow, friable, vascular tumour was removed en toto. Upon discharge, the patient was neurologically intact except for residual bladder incontinence., Conclusion: In an extensive literature review (pubmed), IMSCM metastasis from PTC primary is confirmed as a rarity and this may be the fourth documented case. Moreover, this may be the first report of a case of PTC metastatic neurological deterioration "even before the treatment of the primary was undertaken." Early diagnosis and microsurgical resection can result in improvement of neurological deficits and in the quality of life of patients with IMSCM.

Background: Though, traumatic brain injury (TBI) has been documented as the single most common cause of morbidity and mortality in infancy and childhood, the exact incidence is unavailable in India. Moreover, modes of injury, mechanisms of damage, and management differ significantly from that of an adult., Aims and Objectives: To analyze the epidemiological factors, the spectrum of TBI, modes of injury, types of injury, and the outcome in the children <15 years with TBI., Materials and Methods: This is a retrospective study from August 2012 to May 2013 at Department of Neurosurgery, S.C.B. Medical College, Cuttack, Odisha, India. All the pertinent details from case records of hundred and forty-seven children <15 years with TBI were analyzed. Follow-up was done for 6 months at outpatients department., Results: Age wise, incidence and severity of TBI is more common in 10-15 years. Males outnumber females with a male: female ratio 2.19:1. Overall, road traffic accident (RTA) is the commonest mode of injury. Assault is not uncommon (7.48% cases). Falls is common in <5 years while RTA is common in 5-15 years. The extradural hematoma was the most common injury pattern; however, surgical consideration was maximal for fracture skull. Overall mortality was 7.48%. Diffuse axonal injury has the maximum individual potential for mortality. We noticed excellent recovery in 68.7%, disabilities in 17.68%, and persistent vegetative state in 5.45% cases., Conclusion: TBI in children carries good outcome, if resuscitated and referred early to a neurotrauma center, and managed subsequently on an individualized basis with a well-organized team approach. Severe TBI in children has a poor outcome.

Spinal epidermoid cyst, congenital or acquired, is mainly congenital associated with spinal dysraphism, rarely in isolation. Intramedullary epidermoid cysts (IECs) are rare with less than 60 cases reported so far; isolated variety (i.e., without spinal dysraphism) is still rarer. Complete microsurgical excision is the dictum of surgical treatment. A 14-year-old boy presented with 4-month history of upper backache accompanied with progressive descending paresthesia with paraparesis with early bladder and bowel involvement. His condition deteriorated rapidly making him bedridden. Neurological examination revealed upper thoracic myeloradiculopathy probably of neoplastic origin with sensory localization to D5 spinal level. Digital X-ray revealed no feature suggestive of spinal dysraphism. Contrast magnetic resonance imaging (MRI) characteristics clinched the presumptive diagnosis. Near-total microsurgical excision was done leaving behind a small part of the calcified capsule densely adhered to cord. Histopathological features were confirmative of an epidermoid cyst. Postoperatively, he improved significantly with a gain of motor power sufficient to walk without support within a span of 6 months. Spinal IECs, without any specific clinical presentation, are often diagnosed based upon intraoperative and histopathological findings, however early diagnosis is possible on complete MRI valuation. Complete microsurgical excision, resulting in cessation of clinical progression and remission of symptoms, has to be limited to sub-total or near-total excision if cyst is adherent to cord or its confines.

Extradural hematoma (EDH) after ventriculoperitoneal (VP) shunt procedure is a rare, dangerous but easily avoidable and manageable complication. It is more common in children and young adults presumably due to relatively lax adhesion of dura to calvarium. We report a case of an 18-year-old male with acqueductal stenosis who underwent VP shunt procedure. Three months later, a computed tomography (CT) scan was done for the complaints of intractable headache and altered sensorium which showed chronic calcified EDH near shunt site. The ventricular catheter was in position and the ventricles were decompressed. After surgical decompression of EDH his symptoms improved. We discuss the factors leading to formation of EDH, with stress on proper technique to prevent or minimize such an avoidable complication.

Background: Hypertrophic pachymeningitis is a unique clinical entity characterized by fibrosis and thickening of dura mater resulting in neurological dysfunction. It could be idiopathic or due to variety of inflammatory and infectious conditions. Tuberculous hypertrophic pachymeningitis involving cranio cervical region is rarely reported., Case Description: A 50-year-old female presented with history of progressive quadriparesis and stiffness of neck for 2 years, dysphagia to liquid for past 3 months. Her condition rapidly deteriorated when another physician prescribed her corticosteroid. Physical examination revealed high cervical compressive myelo-radiculopathy with lower cranial nerve palsy and neck rigidity. Series of serum analysis, cerebrospinal fluid (CSF) study and contrast magnetic resonance imaging (MRI) clinched the diagnosis. She improved on antitubercular treatment., Conclusion: In case of multilevel cervical compressive myelo-radiculopathy with lower cranial involvement, possibility of hypertrophic pachymeningitis should be kept in mind. Before diagnosing it as idiopathic, infectious causes should be excluded otherwise prescription of corticosteroid will flare up the disease process.