59 Perthes’ disease Fig. 59.1A This patient has bilateral Perthes’ disease, with more marked changes on the right than the left. Background In Perthes’ disease there is idiopathic osteonecrosis of the femoral heads. The mean age of incidence is 7 years, and boys are affected more commonly than girls in a ratio of 4:1. It leads to osteoarthritis if not treated, and sometimes even in treated cases. Clinical features Symptoms There may be hip, groin or knee pain and a limp. There is no history of trauma. Signs There is a decreased range of hip movements and rotation of the hip is painful. There may also be muscle spasm and atrophy. This condition may present in A&E, paediatrics, general practice or to the orthopaedic doctor in a fracture clinic. Differential diagnosis • Septic arthritis is the most important (see Chapter 51). Only gold members can continue reading. Log In or Register to continue Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related posts: Permanent pacemakers Gastric outlet obstruction Caecal volvulus Small bowel obstruction Brodie’s abscess Slipped upper femoral epiphysis Stay updated, free articles. Join our Telegram channel Join Tags: On-Call X-Rays Made Easy Aug 20, 2016 | Posted by admin in ULTRASONOGRAPHY | Comments Off on Perthes’ disease Full access? Get Clinical Tree
59 Perthes’ disease Fig. 59.1A This patient has bilateral Perthes’ disease, with more marked changes on the right than the left. Background In Perthes’ disease there is idiopathic osteonecrosis of the femoral heads. The mean age of incidence is 7 years, and boys are affected more commonly than girls in a ratio of 4:1. It leads to osteoarthritis if not treated, and sometimes even in treated cases. Clinical features Symptoms There may be hip, groin or knee pain and a limp. There is no history of trauma. Signs There is a decreased range of hip movements and rotation of the hip is painful. There may also be muscle spasm and atrophy. This condition may present in A&E, paediatrics, general practice or to the orthopaedic doctor in a fracture clinic. Differential diagnosis • Septic arthritis is the most important (see Chapter 51). Only gold members can continue reading. Log In or Register to continue Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related posts: Permanent pacemakers Gastric outlet obstruction Caecal volvulus Small bowel obstruction Brodie’s abscess Slipped upper femoral epiphysis Stay updated, free articles. Join our Telegram channel Join Tags: On-Call X-Rays Made Easy Aug 20, 2016 | Posted by admin in ULTRASONOGRAPHY | Comments Off on Perthes’ disease Full access? Get Clinical Tree