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Injury of lower cranial nerves (CNs) by skull base fracture after head trauma can occur sometimes. However, selectively different CN damage on either side is extremely rare. A 53-year-old man had difficulty of swallowing, phonation, and articulation after falling off his bicycle. In physical examination, a deviated tongue to the right side was shown. Brain computed tomography showed a skull base fracture involving bilateral jugular foramina and right hypoglossal canal. Left vocal cord palsy was confirmed by laryngoscopy. Electromyography confirmed injury of left superior laryngeal nerve, recurrent laryngeal nerve, and right hypoglossal nerve. Video fluoroscopic swallowing study revealed large amounts of remnant in vallecula and pyriform sinus without opening of upper esophageal sphincter due to dysfunction of cricopharyngeus muscle. After constant rehabilitation for dysphagia, he was allowed to eat a general diet with compensatory techniques at discharge and further recovery after 3 months. Injury of lower CNs after fracture of the skull base can cause severe morbidity. However, the prognosis of such injuries can be favorable with early rehabilitation treatment by identifying the injured CN. A careful and accurate examination of lower CN injury in skull base fracture is essential for planning a treatment strategy.Growing skull fracture (GSF) is a rare complication of skull fracture in children. We report a case of GSF, also known as leptomeningeal cyst with significant damage in the motor cortex in a 50-day-old child, but the motor function was preserved. A 50-day-old male baby visited our hospital after trauma in the left side of the head. His level of consciousness and motor function were normal. Brain computed tomography (CT) scan revealed gapped skull fracture of the left parietal lobe with underlying contusion and subdural hemorrhage. During hospitalization, bulging in the left parietal scalp had progressed, and follow-up magnetic resonance imaging revealed increased skull defect with enlarged leptomeningeal cyst at the left motor cortex. Cranioplasty and duroplasty were performed. Intraoperatively, a dura tear, brain tissue herniation and fluid collection around the motor cortex were observed. One-year follow-up CT revealed cystic encephalomalacia in the left motor cortex. During the 30-month follow-up, nearly normal gross motor function was observed except for few fine motor impairments. We report a case of GSF with significant damage on the motor cortex in an early infant, but with the preserved motor function during the postoperative developmental process.Although the exact timing depends on the location of the traumatic brain injury (TBI) and the amount of hemorrhage, in the absence of neurosurgical interventions it usually takes several weeks or months for spontaneous resolution of the hemorrhage or hematoma. The occasional rapid disappearance of an intracranial hemorrhage after a TBI has been well-described in the literature. However, early spontaneous disappearance of traumatic intraventricular hemorrhage (TIVH) has not previously been reported in the literature. Herein, the author described a rare case of TIVH that disappeared rapidly without surgical intervention and speculated that the thrombolytic enzyme system in the cerebrospinal fluid (CSF) or circulation of CSF plays an important role in the rapid disappearance of TIVH.Sinking skin flap syndrome is defined by a series of neurological symptoms with skin depression at the site of cranial defect. We experienced neurological improvement in a patient with markedly sunken craniectomy site after ventriculoperitoneal shunt (V-P shunt) clamping operation. A 17-year old female patient was in vegetative state and spastic quadriplegia after traumatic brain injury. She was suffered from frequent vomiting. To evaluate central nervous system problem we checked brain computed tomography which showed that right frontotemporoparietal craniectomy area was markedly sunken and midline was shifting to the left. After V-P shunt clamping operation, craniectomy site was elevated and midline shifting was improved. Vomiting was disappeared. Coma Recovery Scale-revised (CRS-R) score was improved from 3 to 6.We present a rare case of an acute epidural hematoma (EDH) in a neonate. The EDH was caused by a fall during natural vaginal delivery. The clinical findings were normal after fall and the first ultrasonographic study did not show any hematomas. A computed tomography scan on the second day after delivery showed an EDH with 20 mm thickness extending through a skull fracture into subgaleal space. We performed a craniotomy and removed the EDH and subgaleal hematoma. LF3 purchase After the surgery we performed follow-up twice ultrasonographic study for seeking probable hematoma recurrence. The patient was discharged after postoperative 3 days without any neurological deficits.Spontaneous intracranial hypotension (SIH) is usually a benign disease which mostly present as orthostatic headache and resolves by conservative treatment or epidural blood patch. However, in severe cases large subdural hematoma or brain caudal herniation can progress to brain herniation and neurologic complications. We introduce a rare case of SIH which presented as acute mental deterioration with unilateral acute subdural hematoma. A 60 years old female visited to emergency room for stuporous mental change and unilateral acute subdural hematoma. Decompressive craniectomy and hematoma removal was performed to release brain herniation and increased intracranial pressure. There was temporary improvement of consciousness, but sustained leakage of cerebrospinal fluid (CSF) and caudal brain herniation worsened patient’s condition. After recognizing that CSF leakage and hypovolemia was the underlying disease, emergent epidural blood patch and early cranioplasty was performed. After treatment CSF volume was normalized and patient recovered completely without neurologic deficits. Acute mental deterioration with unilateral subdural hematoma is a rare presentation for SIH. Treatment strategy for subdural hematoma with concomitant SIH patients, should be planned carefully with concerns to CSF hypovolemia and intracranial pressure.