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At least 379 records · Page 21Linked to original sources
PubMed1981

Fluoroscopic evaluation of skeletal problems.

Fluoroscopically positioned spot films are widely used in gastrointestinal and chest roentgenography. Little or no mention is made of the diagnostic use of fluoroscopic spot filming for skeletal roentgenography in major tests or recent literature, and a rough survey of practicing radiologists showed us that such procedure was frequently underutilized or not utilized. While skeletal pathology is usually depicted quite accurately by plain radiographs there are times when a problem may be rapidly and simply clarified by fluoroscopically positioned spot films. In an attempt to assess the value of fluoroscopy for evaluation of musculoskeletal problems, we reviewed 46 cases in which fluoroscopically positioned spot films were obtained.

Arthritis↗
PubMed1993

Predictive value of early scintimetry in intracapsular hip fractures. A prospective study with regard to femoral head necrosis, delayed union and non-union.

In 84 patients with an intracapsular hip fracture, early technetium-99m methylene diphosphonate (99mTc-MDP) scintimetry could be carried out preoperatively of in the case of conservative treatments within 72 h after injury. Fifty-four patients were available for a 3-year follow-up. The corrected uptake ratio showed a very high accuracy in predicting secondary dislocation, non-union (NU), delayed union (DU) or femoral head necrosis (FHN) and was far more reliable than the uncorrected uptake ratio. The predictive value of scintimetric follow-up at a 2- or 12-week interval could not reach the same accuracy of early scintimetry in predicting poor outcome. A comparison of follow-up scintimetry after conservative treatment and osteosynthesis showed that the major vascular injury to the femoral head is caused at the moment of the initial trauma and that no additional damage occurs perioperatively with closed reduction and fixation with a Dynamic Hip Screw device. Scintimetry is a useful tool in predicting poor outcome due to FHN and/or NU in the treatment of intracapsular hip fractures.

Aged↗
PubMed2001

[A benign form of osteopetrosis. Case report].

Osteopetrosis is a disease in which a disturbance in the resorption of bone formed by endochondral ossification takes place. The cause of the osteoclast insufficiency is unknown. In the literature, the etiology of the disease is discussed in relation to the complete absence of cathepsin K synthesis, a cysteine protease. In our case report, we demonstrated cathepsin K expression in the osteoclast cells of the benign form of osteopetrosis. We also found the macrophage marker CD 68 in these osteoclast cells, whereas other mononuclear phagocytic cells were not present in the vicinity of osteoclasts. The inhibition of osteoclast cells by phagocytes is unlikely.

Antigens, CD↗
PubMed1996

Reconstruction femoral nailing for nonunion of subtrochanteric fracture: a revision technique following dynamic condylar screw failure.

We report two cases of nonunion of subtrochanteric fractures associated with failure of fixation with a dynamic condylar screw (DCS) due to plate fracture. In both cases the nonunion was successfully treated by insertion of a reconstruction femoral nail. This implant allowed early weightbearing despite the patients' advanced age and poor bone quality. We did not perform direct bone grafting and the fractures healed without complication.

Aged↗
PubMed2003

One-stage revision surgery to treat hip infected nonunion after stabilization with a sliding compression screw.

INTRODUCTION: Extracapsular hip infected nonunion after stabilization with a sliding hip screw (SCS) is uncommon and a convincing treatment method has not yet been reported in the literature. PATIENTS AND METHODS: Thirteen consecutive patients who sustained such a disability were treated with removal of SCS, local radical debridement, vancomycin powder with or without gentamicin solution application, re-insertion of a new SCS, and autogenous cancellous bone grafting. Postoperatively, ambulation with regulated weight bearing was encouraged as early as possible. Infectious microorganisms in 76% (10/13) of the lesion sites were oxacillin-resistant staphylococcus aureus (ORSA). RESULTS: Twelve patients were followed-up for at least 2 years (range, 2~6 years; median, 4 years) and all nonunions healed. The union rate was 100% (12/12) with a median union period of 4 months (range, 3~6 months). No wound infection recurred at the last follow-up. The satisfactory rate of hip function was 92% (11/12, P<0.001). CONCLUSIONS: We, therefore, recommend this surgical procedure to treat all patients with a similar disability because of its high success rate and low complication rate.

Adolescent↗