Humphry (1858) described a dual blood supply to any long bone, periosteal vessels supplying the compact bone and the nutrient artery supplying the marrow. Weinmann and Sicher (1947) pointed out that the nutrient artery also supplied the central part of the metaphysis, its more peripheral parts being supplied by metaphysial arteries derived from the periosteum. Trueta and Harrison (1953) believe...

The histological investigation of phosphatase localisation (Gomori 1939, Takamatsu 1939), and especially the methods which allow decalcification of hard tissues without causing any appreciable loss of the enzyme (Lorch 1947, Greep, Fischer and Morse 1948, Zorzolli 1948), mark important progress in the study of ossification. The work carried out in normal growing bone, in fractures and in a few ...

PURPOSE Bone scans showing solitary hot spots in the ribs pose diagnostic problems in patients with proved extraskeletal cancers. The authors wanted to determine the importance of solitary rib lesions and their correlation with other clinical manifestations. MATERIALS AND METHODS The study included 199 patients with solitary rib hot spots on their bone scans. The follow-up radiographic and sc...

1Department of Spinal Surgery, Pars Advanced and Minimally Invasive Manners Research Center (PAMIM), Pars Hospital, Tehran, Iran 2Adventist Hinsdale Hospital,120 N Oak St, Hinsdale, IL 60521, USA *Corresponding author Abolfazl Rahimizadeh, MD Department of Spinal Surgery Pars Advanced and Minimally Invasive Manners Research Center (PAMIM) Pars Hospital, Tehran, Iran Tel. + 98 912 322 61 49 E-ma...

A 46-year-old man with Marfan syndrome was admitted for repair of annuloaortic etasia and funnel chest. Before median sternotomy, seven transverse skin incisions were made for resection of deformed ribs. The convex portions at the costochondral junctions of the right 4 , 7th and left 5 , 7th ribs were removed. Thereafter, the conventional median sternotomy was safely performed. Aortic root was ...

The post-natal growth of muscles and tendons is of interest both from the anatomical and from the orthopaedic point of view. But whereas much information is available on the growth alld especially the differentiation of muscle, tendinous tissue has been relatively neglected. Ill fact, current opinion about tendon growth is largely based on the analogy of muscle. Present knowledge of the develop...

OBJECTIVE To examine the feasibility of a new method of laryngotracheal reconstruction (LTR) that uses a bioabsorbable plating system consisting of polylactic and polyglycolic acid and provides some advantages over currently used methods. DESIGN AND INTERVENTIONS Anterior subglottic stenosis was created in 10 beagles that then underwent LTR using an autologous costochondral graft. External la...

Does overgrowth of costal cartilage cause pectus excavatum? A study on the lengths of ribs and costal cartilages in asymmetric patients. Jr et al. Outcome analysis of minimally invasive repair of pectus excavatum: review of 251 cases. eComment. Is overgrowth of costal cartilages the unique cause of pectus deformities? In their recent article, Park and coworkers hypothesized that 'if overgrowth ...

Hypothyroidism in the young leads to irreversible growth failure. hyt/hyt Mice have a nonfunctional TSH receptor (TSHR) and are severely hypothyroid, but growth retardation was not observed in adult mice. We found that epiphysial cartilage as well as cultured chondrocytes expressed functional TSHR at levels comparable to that seen in the thyroid, and that addition of TSH to cultured chondrocyte...

AIM To characterise the distribution of major growth plate proteoglycans in a group of infants who died of SIDS. METHODS Nine such infants and eight age matched controls were selected from the necropsy files at the Adelaide Children's Hospital. Sections of rib and adjacent costal cartilage were stained for chondroitin-4-sulphate, chondroitin-6-sulphate, and keratan sulphate with antibodies 2-...