RESUMEN
SUMMARY: Access to neurosurgical care in South Africa is influenced by prevailing inequities in healthcare. It is generally perceived that the public sector performs mainly emergencies relating to trauma, and the private sector performs mainly elective spinal surgery. In March 2015, emergencies constituted 51% of cases in the public sector compared to 8% in the private sector. Trauma, paediatric hydrocephalus and intracranial sepsis constituted nearly 75% of the operative workload in the public sector. Cranial surgery accounted for the majority (95%) of operations in the public sector, whereas the majority in the private sector was spinal (75%). There is considerable disparity in the type of neurosurgery being performed in the public and private sectors in KwaZulu-Natal and with the current financial constraints, there is a potential unmet need for elective spinal surgery in the public sector.
Asunto(s)
Disparidades en Atención de Salud/estadística & datos numéricos , Procedimientos Neuroquirúrgicos/estadística & datos numéricos , Sector Privado/estadística & datos numéricos , Sector Público/estadística & datos numéricos , Humanos , SudáfricaRESUMEN
The world's population of persons over 65 years of age (elderly) is increasing. Acute extradural haematoma (AEDH) in the elderly is rare. There has not been a publication dedicated solely to the evaluation of AEDH in the elderly. We undertook this study in order to establish a clinical profile in this important subgroup. It took the form of a retrospective evaluation of the in-patient charts of elderly patients with AEDH, performed over a 23-year period (1983-2005) at a single institution. Of 3249 patients with AEDH, 32 (<1%) were defined as elderly. Assault was the commonest causative factor (56%), followed by falls (25%) and motor vehicle accidents (19%). Eight patients died (25% mortality). Only a third of patients, (34%) made a good outcome, the majority of these were assault victims. No patient in coma, or over 75 years made a good outcome. The prognosis of elderly patients with AEDH is poor. Conservative treatment for comatose patients and the over 75s is justified.
Asunto(s)
Traumatismos Craneocerebrales/mortalidad , Hematoma Epidural Craneal/mortalidad , Accidentes por Caídas/estadística & datos numéricos , Accidentes de Tránsito/estadística & datos numéricos , Anciano , Anciano de 80 o más Años , Traumatismos Craneocerebrales/cirugía , Femenino , Hematoma Epidural Craneal/cirugía , Humanos , Masculino , Pronóstico , Estudios Retrospectivos , Sudáfrica/epidemiología , Violencia/estadística & datos numéricosRESUMEN
OBJECTIVE: Uncertainty regarding the best surgical management for subdural empyemas (SDEs) continues. Our unit has considered craniotomy the preferred method of surgical drainage for all cranial SDEs since 1988. We performed an analysis of our previously published, computed tomography-era, experience with 699 patients. METHODS: Two analyses of the database (1983-1997) were performed. First, analysis of the periods from 1983 to 1987 and from 1988 to 1997 was performed. Second, analysis of the composite database was performed. Outcomes were compared for possible outcome predictors by univariate analysis. Multivariate analysis was used to identify variables that contributed independently to outcomes, using stepwise discriminant analysis. RESULTS: Significant correlations between the analyzed periods with respect to outcome and type of surgery (P = 0.001) were noted. Analysis of the entire database (1983-1997) revealed a significant relationship between outcome and surgery type (P = 0.05). Pairwise comparison of limited procedures such as burr holes or craniectomies with wide-exposure surgical procedures such as primary craniotomies or procedures proceeding to full craniotomies indicated significant correlation with outcomes (P = 0.027). Reoperation and morbidity rates were increased with limited procedures. Stepwise discriminant analyses revealed that the type of surgery was correlated with outcomes (P = 0.0008, partial r(2) = 0.034). CONCLUSION: Craniotomy was determined to be the surgical procedure of choice for treatment of cranial SDEs, allowing complete evacuation of the pus and, more importantly, decompressing the underlying cerebral hemisphere. Limited procedures such as burr holes or craniectomies may be performed for patients in septic shock, for patients with parafalcine empyemas, or for children with SDEs secondary to meningitis.
Asunto(s)
Craneotomía , Empiema Subdural/cirugía , Tomografía Computarizada por Rayos X , Drenaje , Empiema Subdural/diagnóstico por imagen , Escala de Consecuencias de Glasgow , Humanos , Estudios Retrospectivos , Resultado del Tratamiento , TrepanaciónRESUMEN
Paragangliomas rarely present as spine tumours. The correct diagnosis is generally not suspected pre-operatively and initial imaging is often non-specific. A 36-year-old man with low back pain, and progressive leg numbness and weakness, was found to have an expansile intradural extramedullary spinal tumour on radiographs and magnetic resonance imaging. Surgery revealed a paraganglioma. The features of spinal paraganglioma and differential diagnosis of intradural extramedullary tumours are discussed.
Asunto(s)
Paraganglioma Extraadrenal/diagnóstico por imagen , Neoplasias de la Médula Espinal/diagnóstico por imagen , Adulto , Humanos , Vértebras Lumbares , Imagen por Resonancia Magnética , Masculino , Paraganglioma Extraadrenal/diagnóstico , Neoplasias de la Médula Espinal/diagnóstico , Tomografía Computarizada por Rayos XRESUMEN
Two cases of longstanding retained cranial foreign bodies treated surgically are reported. Patients with longstanding retained foreign bodies may remain clinically well until complications arise. This report emphasizes the importance of maintaining clinical suspicion in mild head injured patients presenting with open scalp wounds, and the value of skull radiographs.
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Encéfalo , Errores Diagnósticos , Cuerpos Extraños/diagnóstico por imagen , Traumatismos Penetrantes de la Cabeza/diagnóstico por imagen , Adulto , Humanos , Masculino , Tomografía Computarizada por Rayos XRESUMEN
OBJECTIVE: Transcranial stab injuries remain a frequent cause of emergent neurosurgical admissions to neurosurgical units in South Africa. Brainstem stabs are an uncommon, yet often fatal, form of brain injury. METHODS: A retrospective audit of 597 patients with transcranial stab injuries admitted to our unit over a 12-year period (January 1987 to December 1998) identified 17 patients (2.85%) with brainstem stab injuries. The computed tomographic scans of all patients were analyzed, and a detailed autopsy examination of the skull and its contents was performed in all patients who died. Stepwise linear regression analysis was used to formulate a predictive model of outcome for the entire series of 597 patients. RESULTS: The majority of the patients were males (16 patients), and the study group had a mean age of 28.65 +/- 9.59 years and a mean Glasgow Coma Scale score of 8.59 +/- 2.76. Knives (82%) were the most common instruments of penetration. Cerebral angiography identified 3 patients with vascular abnormalities, and autopsy revealed an additional 4 patients with vascular injury. Emergency ventriculostomy was performed in 10 patients for obstructive hydrocephalus. Four of the 17 patients survived (76.5% mortality). Factors significantly predictive of outcome in patients with transcranial stab injuries were the Glasgow Coma Scale score (F = 43.7), the occurrence of intraventricular hemorrhage (F = 22.8), the type of associated lesion (intracranial bleed, vascular abnormality, or brain abscess) (F = 5.9), and the number of operations (F = 3.2). CONCLUSION: The Glasgow Coma Scale score is the most significant predictor of outcome in low-velocity transcranial stab injuries. Brainstem stab injuries have a great propensity for vascular damage. Survivors are incapacitated by severe, fixed neurological deficits.
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Tronco Encefálico/lesiones , Heridas Punzantes/diagnóstico , Adulto , Encéfalo/diagnóstico por imagen , Tronco Encefálico/irrigación sanguínea , Tronco Encefálico/cirugía , Angiografía Cerebral , Enfermedades Arteriales Cerebrales/diagnóstico , Enfermedades Arteriales Cerebrales/etiología , Enfermedades Arteriales Cerebrales/cirugía , Niño , Femenino , Escala de Coma de Glasgow , Humanos , Hidrocefalia/etiología , Hidrocefalia/cirugía , Masculino , Persona de Mediana Edad , Procedimientos Neuroquirúrgicos , Estudios Retrospectivos , Tomografía Computarizada por Rayos X , Resultado del Tratamiento , Derivación Ventriculoperitoneal , Heridas Punzantes/complicaciones , Heridas Punzantes/cirugíaRESUMEN
A 15-year (1983-1997) review of our unit's computed tomographic experience with traumatic cranial empyema (TCE) is reported. Fifty-five patients with documented history and clinical evidence of neurotrauma with secondary cranial empyema at surgery were identified. The clinical records and CT scans were analysed. TCE [four extradural and 51 subdural collections (SDE)] accounted for 7.86% of the total cranial empyemas seen during the study period. Most of the patients were young males (44 patients) and neurological deficits on admission were found only in the SDE group. Forty-one of 53 patients presented with septic compound skull fractures. Fifty-four patients had urgent surgical drainage. Eighty per cent of patients experienced a good outcome (GOS 4 or 5). A morbidity of 16.4% (including postoperative seizures) was noted and eight patients died (mortality rate 14.5%). Urgent surgical drainage, removal of osteitic bone, wound debridement and high dose intravenous antibiotic therapy form the mainstay of treatment.
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Empiema Subdural/etiología , Fractura Craneal Deprimida/complicaciones , Adolescente , Adulto , Empiema Subdural/diagnóstico , Empiema Subdural/cirugía , Femenino , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Fractura Craneal Deprimida/diagnóstico por imagen , Tasa de Supervivencia , Tomografía Computarizada por Rayos X , Resultado del TratamientoRESUMEN
OBJECTIVE: Tuberculous meningitis (TBM) and its complications continue to have devastating neurological consequences for patients. Budgetary constraints, especially in developing countries, have made it necessary to select patients for shunting who are likely to experience good recoveries. To date, the value of cerebrospinal fluid shunting for human immunodeficiency virus (HIV)-positive patients with TBM has not been clearly established. METHODS: Thirty patients with TBM and hydrocephalus were prospectively evaluated. Coincidentally, one-half of the patients were HIV-positive. All patients underwent uniform treatment, including ventriculoperitoneal shunt placement and antituberculosis treatment. CD4 counts were measured for all patients. Outcomes were assessed at 1 month. RESULTS: No complications related to shunt insertion were noted. The HIV-positive group fared poorly (death, 66.7%; poor outcome, 64.7%), compared with the HIV-negative group (death, 26.7%; poor outcome, 30.8%). Despite cerebrospinal fluid shunting, no patient in the HIV-positive group experienced a good recovery (Glasgow Outcome Scale score of 5). This is in contrast to the six patients (40%) in the HIV-negative group who, with the same treatment, experienced good recoveries (Glasgow Outcome Scale scores of 5) at discharge (P<0.14). No patient (either HIV-positive or HIV-negative) who presented in TBM Grade 4 survived, whereas no HIV-positive patient who presented in TBM Grade 3 survived. A significant relationship was noted between CD4 counts and patient outcomes (P<0.031). CONCLUSION: In the absence of obvious clinical benefit, HIV-positive patients with TBM should undergo a trial of ventricular or lumbar cerebrospinal fluid drainage, and only those who exhibit significant neurological improvement should proceed to shunt surgery.
Asunto(s)
Infecciones Oportunistas Relacionadas con el SIDA/cirugía , Hidrocefalia/cirugía , Tuberculosis Meníngea/cirugía , Derivación Ventriculoperitoneal , Adolescente , Adulto , Niño , Preescolar , Femenino , Estudios de Seguimiento , Humanos , Lactante , Masculino , Estudios Prospectivos , Resultado del TratamientoRESUMEN
A 4-year-old child presenting with sudden-onset paraplegia and a sacral tumour in association with spina bifida occulta is reported. There were no stigmata of spinal dysraphism at birth. Imaging studies confirmed a sacral tumour with extradural extension up to T10 and spinal dysraphism. The histological features of the extradural and sacral components of the tumour were consistent with a Wilms tumour. The differential diagnosis included a primary sacral teratoma containing Wilms tumour elements or a primary extrarenal Wilms tumour arising in association with a spinal dysraphism. There was no clinical response to chemotherapy or radiotherapy.
Asunto(s)
Sacro/patología , Disrafia Espinal/patología , Neoplasias de la Columna Vertebral/patología , Teratoma/patología , Tumor de Wilms/patología , Preescolar , Femenino , Humanos , Sacro/cirugía , Disrafia Espinal/complicaciones , Disrafia Espinal/cirugía , Neoplasias de la Columna Vertebral/complicaciones , Neoplasias de la Columna Vertebral/cirugía , Teratoma/complicaciones , Teratoma/cirugía , Tumor de Wilms/complicaciones , Tumor de Wilms/cirugíaRESUMEN
BACKGROUND: Previous studies have demonstrated that rhinogenic subdural empyema (SDE) generally has a good prognosis. Most patients are admitted with an altered level of consciousness or significant neurological deficit, but eventually have a good outcome. It is well known that intra-operative brain swelling may occur with subdural empyema. OBJECTIVE: To define cerebral blood flow (CBF) dynamics and determine the role of cerebral hyperaemia, if any, in intracranial SDE. METHODS: CBF dynamics were assessed in five patients (mean age 13.2 +/- 2.2 years) with unilateral rhinogenic convexity SDE documented on computer tomography (CT). Regional cortical blood flow (rCBF) was measured using a thermo-coupled sensor placed on the cortex at the time of surgery. Dynamic CT scans were performed to assess cerebral blood volume (CBV) quantitatively, while transcranial Doppler ultrasonography (TCD) was used to measure cerebral blood flow velocities (CBF velocities) both pre- and post-operatively for 21 days. The opposite 'normal' hemisphere served as a control for each patient. RESULTS: Post-operative rCBF and CBF velocities in the pathological hemisphere progressively increased to plateau at 96 hours. Cerebral blood volume was increased bilaterally, but to a greater extent in the pathological hemisphere and more so in grey than white matter. These haemodynamic changes, though clinically significant did not reach statistical significance (p>0.05). CONCLUSION: Our results suggest that the accompanying brain swelling in rhinogenic SDE is a complex event, with reactive cerebral hyperaemia possibly playing neuroprotective role. Furthermore, unilateral convexity empyema causes bilateral cerebral haemodynamic changes. Future studies are necessary to define the aetiology of brain swelling in intracranial SDE.
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Circulación Cerebrovascular/fisiología , Empiema Subdural/complicaciones , Empiema Subdural/fisiopatología , Encefalitis/etiología , Encefalitis/fisiopatología , Hiperemia/complicaciones , Hiperemia/fisiopatología , Enfermedades Nasales/complicaciones , Enfermedades Nasales/fisiopatología , Adolescente , Niño , Femenino , Humanos , MasculinoRESUMEN
Some children with craniosynostosis demonstrate raised intracranial pressure (ICP), requiring surgical decompression. Conventional methods of measuring ICP in such children are invasive, expensive, and require expertise. Transcranial Doppler ultrasonography (TCD) is an alternative, useful means of assessing ICP qualitatively, and is noninvasive, inexpensive, and safe. We evaluated the use of TCD prospectively in 16 children with craniosynostosis and correlated TCD findings with intraoperative ICP measurements by lumbar puncture (LP) and with computed tomographic (CT) findings. TCD evaluations were performed before and after surgery to determine the pulsatility index (PI), which is known to show close correlation with ICP. The three modalities--TCD, ICP, and CT--showed poor correlation with each other. However, the fall in the PI value after surgery, as determined by TCD, was shown to be clinically useful, with a rise in the PI value after surgery being an ominous sign.
Asunto(s)
Craneosinostosis/diagnóstico por imagen , Hipertensión Intracraneal/diagnóstico , Ultrasonografía Doppler/métodos , Velocidad del Flujo Sanguíneo , Niño , Preescolar , Craneosinostosis/fisiopatología , Femenino , Humanos , Lactante , Hipertensión Intracraneal/diagnóstico por imagen , Presión Intracraneal , Masculino , Flujo Pulsátil , Punción Espinal , Tomografía Computarizada por Rayos XRESUMEN
OBJECTIVE: Intracranial suppurative disorders (abscesses and empyemas) continue to be common neurosurgical emergencies in South Africa. Cranial extradural empyema (EDE) occurs less frequently than its subdural counterpart but remains a potentially devastating disease process. We present our 15-year experience with this condition in the era of computed tomography. METHODS: Of the 4623 patients with intracranial sepsis who were admitted to the neurosurgical unit at Wentworth Hospital (Durban, South Africa) during a 15-year period (1983-1997), 76 patients with EDEs were identified. An additional six patients who were identified from our outpatient records were treated nonsurgically. Analyses were performed with respect to clinical, radiological, bacteriological, surgical, and outcome data. All information for this study was obtained from the computerized databank for the unit. Statistical analyses of the related pre- and postoperative clinical data were performed. RESULTS: The 76 patients with EDEs accounted for 1.6% of the total number of patients admitted for treatment of intracranial sepsis during the study period. Thirteen patients (15.8%) had infratentorial pus collections. Male patients predominated by a ratio of 2:1, and 66 patients were between the ages of 6 and 20 years (mean age, 16.56+/-9.87 yr). The origins of the sepsis were paranasal sinusitis for 53 patients (64.6%), mastoiditis for 16 patients, trauma for 5 patients, dental caries for 1 patient, and miscellaneous causes for 7 patients. The most common clinical presenting features were fever, neck stiffness, and periorbital edema. Surgery was performed in the form of burrholes for 21 patients, small craniectomies for 39 patients, and craniotomies for 5 patients. The additional five patients, while having drainage of their infected paranasal sinuses, had simultaneous drainage of their extradural pus collections by the ear, nose, and throat surgeon. The majority of patients (81 patients) experienced good outcomes (Glasgow Outcome Scale scores of 4 or 5). A single patient died after surgery (mortality rate, 1.22%). CONCLUSION: EDEs occur less frequently than subdural empyemas and are associated with better prognoses. Surgical drainage (burrholes), simultaneous eradication of the source of sepsis, and high-dose intravenous antibiotic therapy remain the mainstays of treatment. Selective nonsurgical management of small EDEs is possible, provided the source of sepsis is surgically eradicated. It is our opinion that EDE is a disease that should be managed without morbidity or death.
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Absceso Encefálico/diagnóstico por imagen , Encefalopatías/diagnóstico por imagen , Empiema/diagnóstico por imagen , Tomografía Computarizada por Rayos X , Adolescente , Adulto , Anciano , Absceso Encefálico/epidemiología , Encefalopatías/epidemiología , Niño , Preescolar , Empiema/epidemiología , Femenino , Humanos , Lactante , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Sudáfrica/epidemiología , Resultado del TratamientoRESUMEN
OBJECTIVE: Intracranial empyemas are the most common form of intracranial suppuration seen in our unit and, despite modern antibiotic therapy and advanced neurosurgical and imaging facilities, these pus collections remain a formidable challenge, often resulting in significant morbidity and death. We present an analysis of our 15-year experience with this condition in the era of computed tomography. METHODS: A retrospective analysis of 4623 patients admitted with intracranial sepsis during a 15-year period (1983-1997) identified 699 patients with intracranial subdural empyemas. The inpatient notes for these patients were analyzed with respect to clinical, radiological, bacteriological, surgical, and outcome data. Statistical analyses were performed. RESULTS: The 699 intracranial subdural empyemas accounted for 15% of all admissions for intracranial sepsis during the study period. Young male patients in the second or third decade of life were most commonly affected (62%), and the mean age was 14.65+/-12.2 years. Almost all patients (96%) underwent surgery. Eighty-two percent of patients experienced good outcomes (Glasgow Outcome Scale scores of 4 or 5). A morbidity rate of 25.9% (including postoperative seizures) was noted, and 85 patients died (mortality rate, 12.2%). CONCLUSION: Intracranial subdural empyema, which is a neurosurgical emergency, is rapidly fatal if not recognized early and managed promptly. Early surgical drainage, simultaneous eradication of the primary source of sepsis, and intravenous administration of high doses of appropriate antibiotic agents represent the mainstays of treatment.
Asunto(s)
Absceso Encefálico/diagnóstico , Empiema Subdural/diagnóstico , Tomografía Computarizada por Rayos X , Adolescente , Adulto , Antibacterianos/uso terapéutico , Absceso Encefálico/etiología , Absceso Encefálico/terapia , Niño , Empiema Subdural/etiología , Empiema Subdural/terapia , Femenino , Escala de Coma de Glasgow , Humanos , Masculino , Estudios Retrospectivos , Resultado del TratamientoRESUMEN
Intracranial penetration during attempted nasogastric intubation is a rare, often lethal occurrence. We report the inadvertent introduction of a nasogastric tube intracranially in a neonate following repair of unilateral choanal atresia. Following manual removal of the tube, the patient made a good recovery.
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Rinorrea de Líquido Cefalorraquídeo/etiología , Atresia de las Coanas/cirugía , Enfermedades en Gemelos , Cuerpos Extraños/etiología , Intubación Gastrointestinal/efectos adversos , Rinorrea de Líquido Cefalorraquídeo/diagnóstico por imagen , Femenino , Humanos , Recién Nacido , Tomografía Computarizada por Rayos XRESUMEN
Two patients with rare complications of traumatic intracranial aneurysms following penetrating cranial stab wounds are described. One patient had a good outcome despite a secondary rupture of a traumatic proximal middle cerebral artery aneurysm, while the second patient had a traumatic basilar bifurcation artery aneurysm. To our knowledge neither the survival from a secondary rupture of a traumatic intracranial aneurysm, nor the development of a basilar bifurcation aneurysm secondary to a transcranial stab wound has been described previously. Furthermore, this is the first report of the technique of deep hypothermic cardiac arrest utilized to treat a traumatic false aneurysm. Traumatic intracranial aneurysms are a rare clinical entity, most often diagnosed after rupture and often resulting in fatal haemorrhage. A high index of suspicion needs to be maintained when managing patients with transcranial stab wounds. Early surgical intervention improves outcome by preventing initial aneurysmal rupture or rebleeding.
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Aneurisma Roto/etiología , Traumatismos Penetrantes de la Cabeza/complicaciones , Aneurisma Intracraneal/etiología , Heridas Punzantes/complicaciones , Adulto , Aneurisma Roto/diagnóstico por imagen , Aneurisma Roto/cirugía , Angiografía de Substracción Digital , Paro Cardíaco Inducido , Humanos , Aneurisma Intracraneal/diagnóstico por imagen , Aneurisma Intracraneal/cirugía , Masculino , Tomografía Computarizada por Rayos XRESUMEN
BACKGROUND: Previous studies have described the elaboration of cytokines in experimental models of congenital hydrocephalus using rats or mice. However, there have been no reports of similar studies in humans. OBJECTIVE: To determine the cytokine expression pattern in the cerebrospinal fluid (CSF) of patients with treated congenital hydrocephalus. DESIGN: A prospective study. SETTING: Wentworth Hospital, Durban, South Africa. SUBJECTS: Five patients (three infants and two older patients) with congenital hydrocephalus treated by means of a ventriculoperitoneal shunt. INTERVENTIONS: Immunophenotyping of peripheral blood was performed on a flow cytometer. The isolation, in-vitro stimulation of peripheral blood and CSF mononuclear cells, and intracellular cytokine determination by flow cytometry were performed. MAIN OUTCOME MEASURES: Peripheral blood and CSF cytokine measurements. RESULTS: Although not statistically significant, all measured mean cytokine levels in the peripheral blood of the infant group were consistently higher than that of the adult group. CSF cytokine levels in both groups were similar and unremarkable. CONCLUSION: No clear pattern of CSF cytokine elaboration, either type-1 (T helper 1) (Th1) or Type-2 (T helper 2) (Th2), could be demonstrated in either of the groups. The significance of higher peripheral blood cytokine levels in the infants is unclear, but may be age-related, and is not apparent in the CSF.
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Citocinas/líquido cefalorraquídeo , Hidrocefalia/líquido cefalorraquídeo , Hidrocefalia/inmunología , Factores de Edad , Animales , Recuento de Células Sanguíneas , Niño , Citocinas/sangre , Modelos Animales de Enfermedad , Femenino , Citometría de Flujo , Humanos , Hidrocefalia/sangre , Hidrocefalia/etiología , Hidrocefalia/cirugía , Inmunofenotipificación , Lactante , Masculino , Ratones , Persona de Mediana Edad , Estudios Prospectivos , Ratas , Derivación VentriculoperitonealRESUMEN
Spinal dysraphism and teratomas are well-recognized spinal cord lesions, but both entities are rare in the cervical spinal cord. Rarely, teratomas have been described within dysraphic lesions in the thoracic and lumbosacral regions. To date, teratomas contained within cervical spine dysraphic lesions have not been described. Although mature cystic teratomas are renowned for the array of organoid tissue differentiation they display, mature lung differentiation is a rarity. While pulmonary differentiation has been described in six female genital tract teratomas, it has not been reported in spinal teratomas. The clinicopathologic features of a complex cervical lesion, comprising a combination of cervical spine dysraphism with a mature cystic teratoma that exhibited pulmonary differentiation, is presented, and the literature on teratomas exhibiting pulmonary differentiation is reviewed.