RT Journal Article SR Electronic T1 An 11-year-old with mallet finger JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 679 OP 680 DO 10.1136/emermed-2017-207361 VO 35 IS 11 A1 Catherine Walsh A1 Matthew Sills A1 Gerard Markey YR 2018 UL http://emj.bmj.com/content/35/11/679.abstract AB An 11-year-old girl presented with pain and deformity in her right little finger distal interphalangeal joint (DIPJ). She was active in several sports including hurling and had a history of dyspraxia with frequent minor soft tissue injuries which had not required hospital assessment. Her mother was concerned about the possibility of a recent injury.Examination showed flexion deformity of the right fifth finger with complete loss of extension at the DIPJ. There was mild swelling and tenderness of the DIPJ with no bruising, erythema or warmth. An X-ray was performed (figure 1). Figure 1 An teroposterior (AP) and lateral radiographs of the right little finger.Question What is the diagnosis?Salter-Harris type 1 fracture of distal phalanxDystelephalangyExtensor digiti minimi tendon injuryClinodactyly