Cases reported "Sinus Pericranii"

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1/5. Parietal sinus pericranii: case report and technical note.

    BACKGROUND: sinus pericranii is a rare vascular anomaly that is defined as a group of abnormal communications between the extracranial and intracranial venous systems, usually involving the superior sagittal sinus. Different surgical techniques have been used to manage this anomaly. Surgical technique and radiologic findings are discussed. CLINICAL PRESENTATION: A case of parietal sinus pericranii is presented that was developed spontaneously. This 33-year-old woman presented with a soft fluctuant mass in the right parietal region adjacent to the midline. She complained of headache and dizziness. The preoperative radiologic findings of simple skull X-ray, computed tomography, bone scan, and direct venogram are presented.The lesion was removed completely and then multiple small vascular channels through the underlying skull were obliterated by air-powered diamond drilling. The presence of vascular endothelium in the pathologic specimen suggested a congenital origin. CONCLUSION: We think this method is very easy and useful for managing the multiple small fenestrations of the sinus pericranii without recurrence.
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2/5. Giant temporo-occipital sinus pericranii. A case report.

    A rare case of a giant, temporo-occipital sinus pericranii is presented. A 38-year-old male presented with minor symptoms of headache and heaviness over an enlarging temporo-occipital bone defect. Within the defect a soft, compressible, mass lesion was observed, which varied in size with changes in intracranial pressure. Radiological imaging demonstrated bone erosion around a fluid filled mass, which on angiography communicated via a series of channels with the transverse sinus. A diagnosis of sinus pericranii was made. Due to the risk of future complication the patient elected to undergo surgery, which successfully resected the mass and obliterated the venous communications with the diploic veins and transverse sinus. The classification, aetiology, differential diagnosis, radiological characteristics and management options relating to sinus pericranii are discussed.
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3/5. sinus pericranii: dermatologic considerations and literature review.

    sinus pericranii is a rare disorder characterized by a congenital or acquired epicranial blood-filled nodule of the scalp that is in communication with an intracranial dural sinus through dilated diploic veins of the skull. We describe two patients with sinus pericranii: a 3-year-old boy with a congenital lesion and a 3-year-old girl whose lesion appeared after head trauma. We discuss the clinical presentation, dermatologic manifestations, differential diagnosis, and management as described in the available published literature. patients with sinus pericranii may be brought to the attention of dermatologists and dermatopathologists because of skin changes in the scalp or forehead. The diagnosis is difficult to make clinically, because the skin manifestations are highly variable and may resemble other disorders of the scalp and cranium. The potentially lethal complications including hemorrhage, infection, and air embolism warrant a high index of suspicion for sinus pericranii.
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4/5. sinus pericranii: clinical and imaging findings in two cases of spontaneous partial thrombosis.

    sinus pericranii is an unusual venous anomaly characterized by communication of pericranial varicosities with an underlying dural sinus. We report two cases of spontaneous partial thrombosis of sinus pericranii presenting as focally tender, nonreducible mass lesions different in character from the baseline venous abnormality. CT, CT angiography, and CT venography (CTV) were performed in both cases. CTV was essential in depicting thrombi within the varicosities. MR (in one case) demonstrated the anomaly well, but the thrombus was not evident. Conservative therapy was instituted in both cases.
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5/5. sinus pericranii: from gross and neuroimaging findings to different pathophysiological changes.

    case reports: We report two girls with a typical presentation of sinus pericranii. Both patients received total excision of the subgaleal masses with complete obliteration of the communications to the intracranial portion. However, different gross appearances, neuroimaging findings and intraoperative findings were found. It took more time and attention to control the bleeding due to the large communication between the extracranial and intracranial components in the second case. DISCUSSION: sinus pericranii is composed of abnormal extracranial vascular tissues that communicate directly with intracranial dural sinuses or veins. A review of the literature showed that 13 out of 31 patients with sinus pericranii had a high-flow pattern. Detailed physical examination and imaging studies to detect dilated scalp veins and a large bony defect should remind surgeons of the presence of large venous communications. Meticulous treatment of the large communication during surgery can avoid massive bleeding.
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