- Meningioma and schwannoma management
- Neurofibromatosis and Schwannoma Cases
- Nerve Injury and Rehabilitation
- Teratomas and Epidermoid Cysts
- Head and Neck Surgical Oncology
- Spinal Fractures and Fixation Techniques
- Fetal and Pediatric Neurological Disorders
- Cerebrospinal fluid and hydrocephalus
- Trauma Management and Diagnosis
- Shoulder and Clavicle Injuries
- Reconstructive Surgery and Microvascular Techniques
- Cardiovascular Issues in Pregnancy
- Respiratory Support and Mechanisms
- Tumors and Oncological Cases
- Nerve injury and regeneration
- Vascular Malformations Diagnosis and Treatment
- Organ and Tissue Transplantation Research
- Trigeminal Neuralgia and Treatments
- Coronary Artery Anomalies
- Peripheral Nerve Disorders
- Spinal Dysraphism and Malformations
- Airway Management and Intubation Techniques
- Orthopedic Surgery and Rehabilitation
- Spinal Cord Injury Research
- Ovarian function and disorders
Beneficência Portuguesa de São Paulo
2024
Universidade de São Paulo
2023
Hospitais da Universidade de Coimbra
2019
Hospital de Santa Cruz
2007-2008
KRH Klinikum Nordstadt
1994-2003
May Institute
2003
International Neuroscience Institute
2003
Pontificia Universidad Javeriana
2003
Medizinische Hochschule Hannover
1999-2003
KU Leuven
2003
✓ A total of 40 patients with epidermoid cysts the cerebellopontine angle (CPA) underwent surgery between 1980 and 1993. Total resection was achieved in 30 cases (75%); 10 (25%) parts cyst capsule were left because they adhered to brainstem vascular structures CPA. One patient very large bilateral cysts, who complete one stage, died pulmonary aspiration infection. As their latest clinical radiological follow-up examinations (mean 5.7 years), 93% are able lead useful lives. Three regrowth...
We have undertaken a retrospective analysis of 38 patients who were operated on for 40 meningiomas the craniocervical junction between September 1977 and August 1995 to determine which factors influenced resectability, complications, postoperative outcomes.Radiological examinations, clinical data, operation notes evaluated, additional follow-up information was obtained from outpatient telephone calls, questionnaires.Four groups could be distinguished according dural attachment as follows: 1)...
For evaluation of the natural history petroclival meningiomas, a cooperative retrospective study 21 conservatively treated patients is reported.All had meningiomas that were observed for at least 4 years, with regular clinical and radiological control examinations. The follow-up periods ranged from 48 to 120 months (mean, 82 mo; median, 85 mo). Functional evaluations performed by using Karnofsky index. Individual growth curves rates defined.Age sex distributions presenting symptoms...
Over the last 16 years, 345 surgical reconstructions of brachial plexus were performed using nerve grafting or neurotization techniques in Neurosurgical Department at Nordstadt Hospital, Hannover, Germany. Sixty-five patients underwent graft placement between C-5 and C-6 root musculocutaneous to restore flexion arm. A retrospective study was conducted, including statistical evaluation following pre- intraoperative parameters 54 patients: 1) time interval injury surgery; 2) choice donor (C-5...
OBJECTIVE: To define the difference of meningiomas that originate in area Meckel's cave (MC) (primary MC meningiomas) regard to different surgical approaches and postoperative results. METHODS: A retrospective analysis all involving cranial base displayed 21 cases originating meningiomas). These were classified according tumor extension four types: Type I, tumors mainly confined MC; II, with into middle fossa; III, posterior IV, both fossae. RESULTS: Trigeminal neuralgia resolved this...
Introdução: A encefalopatia hepática (EH) é uma complicação comum em pacientes com doenças hepáticas crônicas, manifestando-se através de alterações cognitivas e motoras. EH causada pelo acúmulo toxinas no sangue, principalmente amônia, devido à incapacidade do fígado eliminá-las. Paralelamente, a sarcopenia, definida pela perda progressiva massa muscular, frequentemente observada hepáticas, exacerbando os sintomas da EH. relação bidirecional entre ambas intensifica gravidade das duas...
✓ Superior oblique myokymia (SOM) is a rare eye movement disorder presenting as uniocular rotatory microtremor due to intermittent contractions of the superior muscle. Medical treatment usually fails provide long-term benefit for patient and has considerable side effects. Surgical alternatives including tenotomy or partial tenectomy tendon often result in incomplete resolution visual symptoms. The authors report who experienced immediate cessation disabling SOM following microvascular...
Meningiomas of the cerebellopontine angle (CPA) represent a clinically and surgically interesting entity. The opportunity complete surgical excision incidence impairment nerval structures largely depend on tumour biology that either leads to displacement surrounding by an expansive type growth or enveloping vascular en plaque growth. As origin direction are very variable, exact extension in relation can be identified sometimes only at time surgery. Out series 230 meningiomas posterior skull...
The preoperative radiological findings of computed tomographic and magnetic resonance imaging scans 70 patients with petroclival meningioma were evaluated statistically compared the degree surgical resection patients' outcomes to depict most important that may influence radicality outcome.The following parameters evaluated: 1) tumor diameters; 2) extension toward middle fossa, internal auditory canal, brainstem, foramen magnum; 3) bone changes; 4) peritumoral edema; 5) signs infiltrative...
Benign fibro-osseous lesions with cystic degenerations have been scarcely reported in craniofacial bones and its unusual characteristics pose a diagnostic challenge. Here, we report case of fibrous dysplasia presenting large degeneration. A 55-year-old woman had history pain, slight asymmetry on the zygomatic region ocular pressure. Computed tomography revealed right side, multiple showing ground glass aspect, associated an extensive hypodense, unilocular, well circumscribed lesion maxilla,...
OBJECTIVE AND IMPORTANCE To highlight the clinical, radiological, and surgical findings therapeutic options for this rare entity, which may mimic a purely intrameatal vestibular schwannoma, to define particular aspects of preoperative differential diagnosis management. CLINICAL PRESENTATION Two patients presented with clinical typical schwannomas, i.e., tinnitus, hearing loss 30 dB, an contrast-enhancing lesion on magnetic resonance imaging studies. TECHNIQUE The lesions were exposed via...
Relatamos caso de rara anomalia coronária direita (CD) originando em seio aórtico esquerdo, óstio único com esquerda, associado a episódios isquemia inferior documentados, no qual o tratamento cirúrgico "by pass" artéria torácica interna para CD respectiva ligadura proporcionou maior estabilidade ao fluxo coronário, boa evolução clínica.
Object The goal of this study was to determine whether some petroclival tumors can be safely and efficiently treated using a modified retrosigmoid petrosal approach that is called the intradural suprameatal (RISA). Methods RISA introduced in 1983, since time 12 patients harboring meningiomas have been technique. includes craniotomy drilling suprameatus petrous bone, which located above anterior internal auditory meatus, thus providing access Meckel's cave middle fossa. Radical tumor...