RESUMO
The natural history and epidemiological aspects of traumatic cerebral venous thrombosis (CVT) are not fully understood. Due to the concomitant occurrence with intracranial hemorrhages, guidelines for medical treatment have been highly controversial. In this study, our objective was to carry out an analysis description of the population and to conduct a literature review. A prospectively gathered radiology registry data of patients hospitalized at the tertiary hospital of Centro Hospitalar Universitário do São João, Porto, Portugal, between 2016 and 2021 was carried out. All patients with traumatic brain injury (TBI) and concomitant CVT were identified. CVT was confirmed by CT venogram. Demographic, clinical, and radiological data and their medical management were reported. In-hospital complications and treatment outcomes were compared between patients measured by the Glasgow Outcome Score Extended (GOSE) at discharge and GOSE at three months. There were 41 patients with traumatic CVT admitted to this study. The majority (45.2%) had a hyperdense signal near the lateral sinus at admission, and only 26.2% presented with skull fractures. Of this cohort, 95% had experienced lateral sinus thrombosis. Twenty-five patients (60%) had occlusive venous thrombosis. Venous infarct was the main complication following CVT. Thirty-two patients (78%) were anticoagulated after CVT and four developed complications. At the three-month follow-up after discharge, 28.2% had good recovery (GOSE > 6). This study revealed a higher incidence of CVT in severe TBI and a mild association with skull fractures. There is a higher incidence of CVT in the lateral sinus. Management was inconsistent, with no difference in outcome without or with anticoagulation. Larger, prospective cohort studies are required to better comprehend this condition and determine evidence-based guidelines.
RESUMO
Spinal cord injury without radiological abnormality (SCIWORA) was first reported in 1974. The term was used to define "clinical symptoms of traumatic myelopathy without signs of fracture or spine instability on X-ray or CT scan." With the emergence of MRI, the gold standard method to identify spinal cord injuries, about two-thirds of former SCIWORA cases were found to have pathological findings, and, as such, the term has taken on an ambiguous meaning in the literature. We describe the clinical case of a 17-year-old boy who was admitted to the emergency department of a tertiary hospital after a fall during a soccer game. He suffered spinal and cranioencephalic trauma. A few minutes later, the boy began to show decreased strength in the right upper limb and lower limbs, as well as changes in sensation in the right hemibody. On objective examination, the boy presented a Glasgow Coma Scale score of 15 and the American Spinal Injury Association Impairment Scale D, with partial improvement of initial symptoms of monoparesis of the right lower limb. There were no other changes, specifically at the sensory level. The patient underwent a CT and MRI of the spine that showed no fractures, instability, or appreciable medullary signal changes. Electromyography was normal. Based on the clinical history and imaging findings, real SCIWORA was diagnosed. The patient was admitted to an inpatient rehabilitation program. At a follow-up visit two months later, a complete reversal of signs and symptoms was confirmed. The prognosis of this pathology depends on the extent of the spinal cord injury, as evidenced by MRI. Although neurological improvement when severe deficit is present at initial presentation is unlikely, most patients with incomplete neurological damage show good recovery. The absence of visible changes on MRI is associated with a better prognosis.
RESUMO
Pituitary lymphoma is one of the rare variants of primary central nervous system lymphoma (PCNSL), mostly arising due to the metastatic spread of systemic lymphoma. We report the case of a 69-year-old woman who initially presented to her family physician with a headache but without any other symptoms. The MRI scan revealed a sellar mass consistent with a pituitary macroadenoma. When the patient was referred to our hospital, two weeks later, the symptoms had progressed, comprising complete right-sided ophthalmoplegia and ptosis, with left-sided amaurosis. A repeat MRI revealed an increased size of the sellar mass, consistent with pituitary apoplexy. A right pterional craniotomy with partial resection of the mass was performed and an intraoperative frozen section biopsy was carried out. The final pathology revealed diffuse large B-cell lymphoma. A systemic follow-up including a whole-body CT, bone marrow aspiration, and cerebrospinal fluid studies ruled out any systemic manifestation, and the patient was HIV-negative. The patient underwent treatment with methotrexate, cytarabine, thiotepa, and rituximab for PCNSL. Although rare, PCNSL can mimic pituitary apoplexy, which needs to be considered if conservative therapy or surgery is to be offered to a patient with a radiological and clinical diagnosis of pituitary apoplexy.