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PURPOSE: Although considered uncommon, periprosthetic fracture of the femur after hip arthroplasty is a serious complication that can be difficult to treat. Authors analyzed the types of fracture and modality of treatment. MATERIALS AND METHODS: Between Jan. 1983 and Dec. 1997, 17 cases of postoperative periprosthetic fractures had been treated at our hospital. These cases were followed up for an average of 58 (13-123) months. The fractures were classified according to Duncan and Masri classification. Three cases of type A, and 6 cases of type B1, 3 cases of type B2, 3 cases of type B3 and 2 cases of type C. The 3 cases of type A and 2 cases oftype B1 were conservative treatments. The 4 cases of type B1 were treated with open reduction and internal fixation with bone graft. The 3 cases of type B2 and 3 cases in type B3 were treated with long stem revision. The 2 cases of type C were treated with open reduction and internal fixation with bone graft. RESULTS: Bony union happened in all cases. The results according to Beals and Tower criteria were excellent in 12 cases, good in 3 cases and poor in 2 cases. CONCLUSIONS: The most frequent cause of periprostic fracture was trauma and other causes were loosening and osteolysis. Proper treatment method of periprosthetic fracture were important for stability of femoral stem
Arthroplasty ; Arthroplasty, Replacement, Hip* ; Classification ; Femur* ; Hip ; Osteolysis ; Periprosthetic Fractures ; Transplants

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Multifocal Acute Osteomyelitis in a Mole Adolescent: A Case Report.

Yong Min KIM ; Choong Hee WON ; Joong Bae SEO ; Eui Seong CHOI ; Ho Seung LEE ; Kyung Il CHUNG

The Journal of the Korean Orthopaedic Association.1999;34(5):867-870.

A 13-year-old boy developed fever and right leg pain, and multiple acupunctures were done on legs, then visited our ER for high fever, chill and painful swellings in both legs. Bone scan showed multiple hot spots on both distal femur, both proximal tibia, and left distal tibia. MRI revealed subperiosteal abscess in right proximal and left distal tibia and signal changes without abscess in other hot spot sites on bone scan. Surgical drainage of subperiosteal abscess and curettage were performed in the right proximal and the left distal tibia. Percutaneous drillings were done to other hot spot sites. All the lesions were cured after combined antibiotic chemotherapy. Multifocal osteomyelitis in a rapidly growing adolescent has been reported not rarely. It seemed that more attentions should be paid to the possibility of multifocal acute osteomyelitis in an adolescent
Abscess ; Adolescent* ; Attention ; Curettage ; Drainage ; Drug Therapy ; Femur ; Fever ; Humans ; Leg ; Magnetic Resonance Imaging ; Male ; Osteomyelitis* ; Tibia

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Correlation of Correction Angle with Pain at First Metatarsophalangeal Joint in the Treatment of Hallux Valgus.

Ik Su CHOI ; Su In ROH ; Cheol Ho KWAK ; Sang Eun KIM ; Young Uk JOE

The Journal of the Korean Orthopaedic Association.2002;37(6):772-776. doi:10.4055/jkoa.2002.37.6.772

PURPOSE: We evaluated the correlation between correction angle and pain of the first metatarsophalangeal joint in the treatment of hallux valgus. MATERIALS AND METHODS: The 28 cases (20 patients) with moderate to severe hallux valgus deformity and pain of the first metatarsophalangeal joint who underwent the distal soft tissue procedure and proximal metatarsal closing wedge osteotomy, were divided into two groups, Group I: no pain of the first metatarsophalangeal joint after surgery, and Group II: with persisting pain. We analyzed the correc-tion angle and pain of the first metatarsophalangeal joint in each group, preoperatively and at the last follow-up. All of the patients were women and their mean age was 58 years old. The average follow-up time was 18 months. RESULTS: At the last follow-up, the 21 feet (75%) were free of pain of the first metatarsophalangeal joint. In 7 feet (25%) pain persisted. In group I, sufficient deformity correction was obtained, but in group II, the deformity was corrected insufficiently. A high correlation was observed between correction angle and pain relief. CONCLUSION: A high correlation was obtained between correction angle and pain of the first metatarsophalangeal joint in the treatment of hallux valgus deformity. Therefore, in view of the patient's expectation of pain relief, meticulous attention should be paid to the correction of hallux valgus deformity.
Congenital Abnormalities ; Female ; Follow-Up Studies ; Foot ; Hallux Valgus* ; Hallux* ; Humans ; Metatarsal Bones ; Metatarsophalangeal Joint* ; Middle Aged ; Osteotomy

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Clinicopathologic analysis on 25 cases of giant cell tumor of bone.

Hyun Ki YOUN ; Seung Seok SEO ; Hyun Duk YOO ; Young Chang KIM ; Jang Seok CHOI ; Young Goo LE

The Journal of the Korean Orthopaedic Association.1993;28(6):2256-2264.

No abstract available.
Giant Cell Tumor of Bone* ; Giant Cell Tumors* ; Giant Cells*

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An Experimental Study about the Effects of Parathyroid Hormone on Strength of Vertebra and Bone Density of Proximal Tibia in Ovariectomized Rats.

Seok Hyun LEE ; Hong Chul LIM ; Seung Woo SUH ; Dong PARK

The Journal of the Korean Orthopaedic Association.1997;32(4):937-943.

Parathyroid hormone (PTH) has not been studied as extensively as therapeutic agents of osteoporosis, but the anabolic effect of parathyroid hormone on the skeleton has been demonstrated in several studies. The current study was undertaken to assess the effect of parathyroid hormone on bone mass and its biomechanical competence using ovariectomized rat model. Fifty female Sprague Dawley rats of 3 months old were randomized into five groups, 10 in number for each groups. Group I: sham-operation, Group II: ovariectomy (OVX) plus saline injection, Group III: OVX plus PTH 20ug/kg, Group IV: OVX plus PTH 40ug/kg, Group V: OVX plus PTH 80ug/kg. Treatment regimens were initiated 8 weeks after ovariectomy and continued for 4 weeks thereafter. Bone mineral density was measured in proximal one-third level of tibia by dual energy X-ray absorptiometry (QDR-2000, Hologic, U.S.A). Biomechanical competence was assessed in lumbar vertebral body by universal testing machine (Instron-4467, U.S.A). The average of bone mineral density in sham operated group was 0.088+/-0.0084g/cm (2), and in control group (OVX +/- saline)was 0.065+/-0.0095g/cm (2). Bone mineral density decreased in control group significantly. The average of bone mineral densities in Group III, IV, V (OVX + PTH) were 0.071+/- 0.0089, 0.081+/-0.0086 and 0.084+/-0.0093g/cm (2), respectively. This showed that parathyroid hormone injected groups had significantly higher bone mass than control group (p<0.0#5), and the increment was in proportion to the amount of parathyroid hormone in the range (p<0.05). The average of biomechanical competence of lumbar vertebral body in sham operated group was 30.036.24 MPa and was 25.11+/-5.69 MPa in control group. In Group III, IV,V they were 25.74+/-6.77, 27.96+/-5.17 and 29.83+/-5.79 MPa, respectively. Above results seem supportive of the phenomenon that parathyroid hormone exert anabolic effect on osteoporotic bones in certain experimental condition.
Absorptiometry, Photon ; Anabolic Agents ; Animals ; Bone Density* ; Female ; Humans ; Infant ; Mental Competency ; Models, Animal ; Osteoporosis ; Ovariectomy ; Parathyroid Hormone* ; Rats* ; Rats, Sprague-Dawley ; Skeleton ; Spine* ; Tibia*

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Radiological Analysis of the Proximal Femoral Morphology in Normal Korean Adults.

Kuen Tak SUH ; Sang Hyun LEE ; Byung Mann CHO

The Journal of the Korean Orthopaedic Association.1999;34(5):891-897.

PURPOSE: The proximal femoral morphology of normal Koreans was studied by radiographs. MATERIALS AND METHODS: Proximal femoral morphology and ratio of lever arm in abductor muscle in 101 normal adults were measured and their correlations were comparatively analyzed. RESULTS: The femoral head diameter was 48.7+/-4.0 mm. The femoral neck shaft angle was 127.8+/-5.2 degree. The medial trabeculae angle was 20.0+/-1.2 degree. The femoral offset was 36.5+/-3.9 mm. Also, the tip of the greater trochanter relative to the level of femoral head center lay higher in 91 of 101 subjects (90.1%), upon examination and in average, located 3.8+/-3.4 mm higher. The ratio of the abductor lever arm to the distance between the femoral head center and the body midline was 1: 2.1+/-0.2. CONCLUSIONS: The relationship between the tip of the greater trochanter of femur and the center of femoral head appeared to have wide individual differences with 0.89 coefficient of variation. Therefore, the tip of the greater trochanter was an unreliable anatomical indicator of femoral head center. The femoral neck shaft angle and the length of the medial trabeculae showed a significant correlation (P=0.001). However, a significant negative correlation existed between the femoral neck shaft angle and the femoral offset (P=0.024)
Adult* ; Arm ; Femur ; Femur Neck ; Head ; Humans ; Individuality

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