Case 94: Woman suspected of attempted suicide424 Case 95:Man with chest pain and weight loss429 Case 96: Young woman with pain in her legs and back

History A 23-year-old woman is referred to the acute medical unit by her GP. She gives a 5-day history of severe pain in her legs and back. For the last 2-3 days, she has found it increasingly difficult to walk and has noticed paraesthesia in her feet. She is normally fit and well. She had an acute self-limiting, diarrhoeal illness 14 days previously. She takes no regular medication and works as a shop assistant. She does not smoke and drinks 10 units of alcohol per week. There is no history of significant illness in her family.