• Proceedings of the Korean Fiber Society Conference
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• 1998.04a
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• pp.116-120
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• 1998

방사공정에 있어서 폴리에스테르 결정화의 추진력은 토출 후 냉각에 의한 과냉각(supercooling)정도가 주된 공정요인이지만, 고속방사에 있어서 on-line 결정화는 과냉각과 함께 높은 방사장력 (spinning stress)에 의한 분자배향에 기인하는 엔트로피효과가 보다 중요한 결정화의 추진력이 된다.[1-3](중략)

• The Journal of the Korean dental association
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• v.38 no.6 s.373
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• pp.498-509
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• 2000

• The Korean Journal of Nuclear Medicine
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• v.31 no.4
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• pp.452-458
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• 1997

To evaluate the pinhole scintigraphic findings and its significance, authors retrospectively compared the pinhole bone scintigrams and corresponding radiograms of 16 lesions in 14 patients with fibrous dysplasia. They were diagnosed pathologically in 10 lesions and radiologically in 6 lesions. The mean age of patients was 41.1 years. The mean interval between two studies was 1.1 days. Locations were ribs 7, pelvic bone 4, clavicle 1, long bones 4(femur 2, tibia 1, humerus 1). The radiographic findings were as follows : the central portions were radiolucent(n=9), ground-glass opacities(n=5) or sclerotic(n=2) and the peripheral appearance were sclerotic rim(n=5), septation(n=7), cortical perforation (n=10) and invisible cortical thinning(n=9). Pinhole scintigraphic findings were as follows; Central portions showed normal 1+ uptake in 6 cases(radiolucent 5, ground-glass opacity 1), slightly increased 2+ upta- ke in 7 cases(radiolucent 4, ground-glass opacity 3), and marked 3+ uptake in 3 cases(ground-glass opacity 1, sclerotic 2). The 15 of 16 lesions showed more intense uptake in the peripheral portion: slightly increased 2+ uptake corresponding to the sclerotic rim(5/5) and unvisible cortical thinning(1/9), and irregular foci of marked 3 + uptake corresponding to septation(7/7), cortical perforation(10/10) and invisible cortical thinning (8/9). One of 16 lesions showed homogeneous 2+ uptake. In conclusion, pinhole scintigram provides information on regional activity of the fibrous dysplasia, which would be helpful in diagnosis, prediction of prognosis and determination of treatment plan.

• The Journal of Korea Assosiation for Disability and Oral Health
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• v.10 no.1
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• pp.22-25
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• 2014

Fibrous dysplasia(FD) is a benign fibro-ossifying disease in which fibrous tissue replaces normal bone and marrow. Craniofacial bones, including the maxilla and mandible, are commonly involved. A 7 year-old girl visited the clinic with a chief complaint of gingival swelling around the lower left primary molar. Mild bulging of the lower left periodontal tissue was observed. Not only the mandible, but also the maxilla, zygoma, sphenoid, and temporal bones were affected by FD. Permanent tooth germs were involved in the lesions and facial asymmetry was caused by lower left bone expansion. She was scheduled for a follow-up visit at the department of pediatric dentistry and oromaxillofacial surgery.

• The Journal of the Korean bone and joint tumor society
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• v.6 no.2
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• pp.106-111
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• 2000

Focal fibrocartilaginous dysplasia(FFCD) is an uncommon, benign condition associated with unilateral tibia vara among young children. FFCD has a typical plain radiographic finding, which has a concave radiolucent defect in the metadiaphyseal junction of medial aspect of the proximal tibia. The varus deformity occurs at the site of the lesion. Spontaneous remodeling and resolution of bony defect may be expected, but the corrective osteotomy may also be needed in some cases. The authors described a case of unilateral tibia vara caused by FFCD, diagnosed by excisional biopsy and treated with dome-shaped proximal tibial osteotomy and bone graft.

• Journal of the Korean Orthopaedic Association
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• v.54 no.6
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• pp.519-527
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• 2019

Purpose: To evaluate the treatment result in polyostotic fibrous dysplasia classified according to the involvement of the femoral head. Materials and Methods: Twenty-three patients from March 1987 to March 2014 were reviewed retrospectively. Patients with no involvement of the physeal scar in the femoral head were classified as Type I, and those with involvement of the physeal scar were classified as Type II. A plain radiograph was used to measure the femoral neck shaft angle, articulo-trochanteric distance (ATD), and anterior bowing through the lateral view. A teleoroentgenogram of the lower limb was used to measure the leg length discrepancy and lower extremity mechanical axis. The pre- and postoperative femoral neck-shaft angle and ATD were compared to assess the degree of correction of the deformity. Results: Among a total of 46 cases (23 patients), 28 cases (23 patients) had lesions in the proximal femur. Type I were 16/28 cases (15/23 patients) and Type II were 12/28 cases (9/23 patients). The preoperative proximal femoral neck-shaft angle was 116.8° in Type I and 95.3° in Type II. The ATD was 12.08 mm in Type I and -5.54 mm in Type II. The deformity correction showed significant improvement immediately after surgery, the deformity correction was lost in Type II (neck shaft angle Type I: 133.8°-130.8°, Type II: 128.6°-116.9°, and ATD Type I: 17.66-15.72 mm, Type II: 7.44-4.16 mm). The extent of anterior bowing was 12.74° in Type I and 20.19° in Type II. The mean differences of 12 mm between the 9 patients who showed a leg length discrepancy and the lower extremity mechanical axis showed 4 cases of lateral deviation and 7 cases of medial deviation. Conclusion: In polyostotic fibrous dysplasia, when the femur head is involved, the femur neck shaft angle, ATD, and anterior bowing of the femur had more deformity, and the postoperative correction of deformity was lost, suggesting that the involvement of the femoral head was an important factor in the prognosis of the disease.

• Korean Journal of Head & Neck Oncology
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• v.20 no.1
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• pp.29-32
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• 2004

Fibrous dysplasia of the mandible is an unusual manifestation of the disease that is usually benign, occurs in young individuals, and is managed by conservative curettage or debridement. We present a case of persistent fibrous dysplasia complicated by pain and abscess formation that was successfully managed by radical resection and reconstruction with a free fibular flap. Although mandibular fibrous dysplasia is preferentially managed conservatively, treatment of this disease has evolved to a point where total excision and immediate reconstruction may be the treatment of choice and offer the best outcome.

• The Journal of the Korean bone and joint tumor society
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• v.8 no.2
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• pp.63-67
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• 2002

Myositis ossificans progressiva, also known as 'fibrodysplasia ossificans progressiva' is a rare disorder, most probably inherited as a mendelian dominant trait with irregular penetrance. It is characterized by congenital malformations of the great toes and progressive edema, calcification and ossification of the fasciae, aponeurosis, ligaments, tendons, and connective tissue in interstitial tissues of skeletal muscle. The basic defect is in the connective tissue, whereas the skeletal muscle remains fundamentally normal. We report two cases of a brother and sister whose the disorder is involved in a same family.

• The Journal of the Korean bone and joint tumor society
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• v.9 no.2
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• pp.233-237
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• 2003

Calcifying aponeurotic fibroma is a benign, aggressive fibrous tumor seen in childhood or adolescence that most commonly affects the palm. We report our experience in treating calcifying aponeurotic fibroma in the hand of fifteen-year-old boy. He was presented with a recurrent mass in hypothenar area of his left hand. He had a history of local excision of the mass 7 years ago in local clinic. The palpable mass was hard, tender and movable. The simple X-ray revealed multifocally scattered microcalcifications in the mass. The excised mass showed the features of dense fibrotic soft tissue tumor with multiple small whitish calcifications. The microscopic sections showed a lobulated and a poorly circumscribed proliferation of dense fibrous tissue, containing islands of metaplastic chondroid differentiation with prominent calcification. The recommended treatment of this lesion is wide excision allowing for sparing of functional or vital structures, but high recurrence rate as this case has been reported to be more than 50 percent.

• The Journal of the Korean bone and joint tumor society
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• v.5 no.4
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• pp.216-220
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• 1999

The purpose of this study was to evaluate the role of c-fos oncogenes in the development of fibrous dysplasia and osteofibrous dysplasia. The immunohistochemical expression of c-fos protein was evaluated in 15 cases of fibrous dysplasia and 8 cases of osteofibrous dysplasia. Ten cases of fibrous dysplasia were weakly positive with c-fos. Six cases of osteofibrous dysplasia were weakly positive and the remaining two cases were strongly positive. The overall expression of c-fos protein is weaker than high-grade osteosarcoma, thus the implication of c-fos protein is little in the development of these tumors. Fibrous dysplasia and osteofibrous dysplasia share some features of characteristic histology and c-fos expression.