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It can be presumed that injuries to the conduction system do occur in limited regions during cardiopulmonary resuscitation. Minute differences in the location of the cardiac silhouette or cardiac conduction system also need to be considered, rather than just the severity of force to the anterior chest, when determining the pathogenesis of these injuries.

A 75-year-old woman presented with intracranial B-cell lymphoma associated with Behcet's disease manifesting as headache and dizziness. She had been treated with prednisolone for 17 years, and colchicine for 4 years under a diagnosis of incomplete Behcet's disease. Computed tomography revealed a 4-cm high density mass surrounded with diffuse edema in the right frontal lobe. Surgery removed a discolored red mass together with hematoma. The histological diagnosis was B-cell type malignant lymphoma. Malignant lymphoma is rarely associated with Behcet's disease, as only 10 cases have been reported.

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