Study design: A case report of purely epidural cavernous haemangioma with MRI appearance and pathological features.Objective: To present a rare case of extradural mass with di erential diagnosis. Setting: Delhi, India. Method: A 55-year-old man presented with progressive weakness and diminished sensation in both lower limbs. MRI demonstrated a pure extradural mass with no bony invasion. Histopathology of the lesion revealed a typical cavernous haemangioma. Result: The patient showed signi®cant improvement after surgery. Conclusion: Radiological presentation could be confusing in a purely epidural cavernous haemangioma. Awareness of the characteristics of the lesion will facilitate diagnosis and treatment of the lesion.
Hypophyseal tuberculomas are often mistaken for pituitary adenomas. The finding of a thickened pituitary stalk in contrast magnetic resonance imaging scans may be useful for the differentiation of these lesions from pituitary adenomas. Direct radiosurgery is not an appropriate primary treatment method for pituitary adenomas and is principally restricted to elderly, medically unfit patients with microadenomas and patients with residual or recurrent tumors after microsurgery. It is contraindicated for patients who exhibit a thickened pituitary stalk in contrast magnetic resonance imaging scans.
✓ The authors present an unusual case of intramedullary arachnoid cyst diagnosed in a patient after the lesion was resected. A wide decompressive surgery was performed and the lesion removed. Histopathological findings were consistent with the diagnosis of arachnoid cyst. Postoperatively the patient exhibited marked improvement in neurological status. To the best of the authors' knowledge, there is no case report of intramedullary arachnoid cyst reported in the literature. With the advent of newer neuroimaging modalities such as magnetic resonance imaging the number of cases of intramedullary arachnoid cysts encountered in the future may increase.
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