492 Calcific Tendonitis of the Longus Colli: A Rare Cause of Neck Pain

Abstract Cervical tendonitis of the Longus Colli muscle (CTLC) is a rare but clinically significant cause neck pain. It can mimic other more serious pathologies in retro-pharygneal area and requires sufficient investigation for diagnosis. This case presented with fit well 54-year-old gentleman suffering from progressive left sided pain, stiffness, odynophagia. His imaging demonstrated prevertebral fluid collection unclear aetiology an calcification just below anterior arch C1. Along differential diagnosis calcific longus colli, collecting inferior to C1 could have represented retropharyngeal abscess - potentially life-threatening infection. patient required input multiple specialities safely reach exclude pathology. Although CTLC represents benign perhaps under-recognised condition, this highlights importance considering diagnoses multidisciplinary management presenting limited movements.