{'fraction_non_alphanumeric': 0.029447852760736196, 'fraction_numerical': 0.008588957055214725, 'mean_word_length': 5.08955223880597, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
[A case of posttraumatic intracranial meningioma].

Several etiologic factors have been proposed in the development of meningiomas, including trauma, radiation, oncogenic viruses, chromosomal abnormalities, and hormonal factors. We presented a 71-year-old female patient who had undergone an operation for a head trauma 27 years ago. Brain computed tomography scans showed a contrast-enhancing intracranial mass lesion, 5 x 4 x 4 cm in size, leading to diffuse edema in the left frontal region. At surgery, a tumoral mass was detected below the former craniotomy flap, with dural invasion, and a total excision was performed. Two silver clips were also noted in the previous surgical site. Histopathologic diagnosis was made as a transitional meningioma. No recurrences were detected within a year follow-up period.