“…Common causes of acquired painful torticollis are trauma (atlantoaxial rotatory displacement 10 , os odontoideum 11 , and C1 fracture 12 ), inflammation 13 (Grisel syndrome 14 , juvenile rheumatoid arthritis 15 , discitis 15 ), and tumor (eosinophilic granuloma 16 , osteoid osteoma 17 , osteoblastoma 18 , leukemia 19 ). Less common causes include calcified cervical disc 20 , Sandifer syndrome 21 , and bacterial meningitis 22 .…”