{'fraction_non_alphanumeric': 0.02340702210663199, 'fraction_numerical': 0.005201560468140442, 'mean_word_length': 5.015625, '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}}
Tumorous calcinosis of the atlantoaxial joint: the helmeted dens syndrome

An 82- year- old woman with idiopathic calcinosis presented with neck pain associated with head-aches radiating to the upper arms. The idiopathic calcinosis was diagnosed after a surgical removal of a calcinosis of a finger wherein histopathology showed the presence of calcified areas within a non- inflammatory fibrous stroma. The pain was constant and associated with a moderate biological inflammatory syndrome (C reactive protein 10 mg/L). The phosphocalcic balance was normal as were the parathyroid hormone (PTH), the alka-line phosphatase and the renal function. There were no arguments in favour of a laryngeal origin to the pain. Finally, a cervical CT scan was performed and revealed