{'fraction_non_alphanumeric': 0.016643550624133148, 'fraction_numerical': 0.012482662968099861, 'mean_word_length': 5.389380530973451, '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}}
Calcified Brain Metastases from Osteosarcoma

Brain metastases are the most frequent intracranial lesions but they rarely contain calcium. Calcium deposits were microscopically found in only 6.6% of patients in classic histopathological series1. They are even rarer in routine clinical practice and they are described in the literature as isolated case reports or case series. Despite the lack of recent studies with modern scans, they were identified on computed tomography in up to 5.8% of 121 patients2. Calcification patterns are often described as punctuate, curvilinear or heterogenous. We report a patient with brain metastases from an osteosarcoma of the mandible with unusual extensive homogeneous calcification.