Cerebral granuloma mimicking malignant neoplasm in a patient with seizures 21 years after head trauma.

Cerebral granuloma mimicking malignant neoplasm in a patient with seizures 21 years after head trauma.

World Neurosurg. 2019 Feb 19;:

Authors: Wang K, Li S, Xiang W, Ming Y, Peng T, Wang H, Chen L, Zhou J

Abstract
BACKGROUND: Chronic post-traumatic cerebral granuloma is a rare, delayed complication of traumatic brain injury. Because of its late onset of symptoms and atypical appearance, the correct diagnosis of this rare lesion is difficult.
CASE REPORT: A 49-year-old man presented with seizures, which occured 21 years after open right forehead trauma. Imaging techniques, such as MRI and MRS, which indicated a malignant neoplasm, revealed a mass lesion on the right frontal lobe, invading the dura and partial frontal bone. The patient underwent total removal of the lesion and titanium mesh cranioplasty, simultaneously, due to invasion of the mass lesion into the skull. However, the postoperative histopathological diagnosis was chronic inflammatory granuloma. At 1-year follow-up, he did not have any discomfort and the epilepsy did not recur.
CONCLUSION: Chronic cerebral granuloma should be considered in the differential diagnosis of a novel or recurrent mass detected in patients with a history of traumatic brain injury or prior surgery. Moreover, the retained foreign bodies in the superficial or nonfunctional area of the brain should be thoroughly examined and removed at the time of injury, particularly in open brain trauma.

PMID: 30794983 [PubMed - as supplied by publisher]

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