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At least 91 records · Page 5Linked to original sources
PubMed2005

Operative treatment of deep chondral defects of the patella: results after abrasive arthroplasty and periosteal arthroplasty.

This prospective, non-randomized study was aimed to evaluate the effects of abrasive arthroplasty and periosteal arthroplasty in the treatment of deep chondral defects of the patella. A total of 30 patients in group A (13 male, 17 female, age: 28.7+/-6.9 years) underwent arthroscopic abrasive arthroplasty. The other patients in group B (n=17, 11 male, 8 female, age 26.8+/-7.0 years) underwent periosteal arthroplasty by an autologous periosteal flap. The maximal diameter of the defects was 31.1+/-6.7 (range 20-45 mm). The Lysholm score and the intensity of pain were evaluated preoperatively and at the time of follow-up (3.1+/-1.1, range 2-5 years). The Tegner activity score was evaluated before onset of the symptoms and at the time of follow-up. The Lysholm score increased significantly in both groups (in group a from 36.1+/-7.1 to 42.5+/-6.6 points and in group B from 42.7+/-2.4 to 67.6+/-7.8 points). The result in group B was significantly better than in group A. In group A the intensity of pain was unchanged, whereas patients from group B reported a significant reduction of pain. The level of physical activity (Tegner score) was 5.5+/-2.1 in group A and 5.5+/-2.1 in group B before onset of the complaints. In follow-up, patients from group B (4.9+/-1.2) had a reduced Tegner score in tendency. The patients in group A had a significantly reduced level of physical activity (2.7+/-0.6). A total of 12 patients from group B had a range of motion lesser than 80 degrees in flexion. These patients underwent joint mobilization and control arthroscopy. During control arthroscopy there was always found a stable periosteal flap. Short-term clinical results with periosteal arthroplasty produced a significant reduction in pain and improved Lysholm score in comparison to abrasive arthroplasty.

Adult↗
PubMed2000

Exercise and mechanical loading increase periosteal bone formation and whole bone strength in C57BL/6J mice but not in C3H/Hej mice.

To identify the genes, and the mechanisms that account for the 53% higher peak bone density in C3H/HeJ (C3H) mice compared with C57BL/6J (B6) mice, we are performing quantitative trait locus and phenotypic analyses. The phenotypic studies revealed differences in bone formation and resorption, and showed that hindlimb immobilization (by sciatic neurectomy) caused a greater increase in endosteal resorption in the tibiae of B6 compared with C3H mice. The current studies were intended to examine the hypothesis that the bones of C3H mice are less sensitive to mechanical loading than the bones of B6 mice. To increase mechanical loading, 9-week-old female B6 and C3H mice (n = 10-13 mice/group) were subjected to a jumping exercise (20 jumps/day, 5 days/week, to heights of 20-30 cm) for a total of 4 weeks. Control mice did not jump. Osteocalcin, alkaline phosphatase (ALP) activity, and IGF-I were measured in serum. The left tibiae were used for histomorphometry (ground cross-sections prepared at the tibiofibular junction) and the right tibiae and femora were used for determinations of bone breaking strength (3-point bending). The results of these studies revealed (1) significant effects of both mouse strain (B6 and C3H) and the jumping exercise on tibial strength; (2) an exercise-dependent increase in serum IGF-I in C3H, but not B6 mice; and (3) no effects on serum ALP or osteocalcin. The histomorphometric analyses showed no effect of exercise on C3H tibiae, but significant exercise-dependent increases in total bone area, periosteal perimeter, periosteal mineral apposition rate (MAR), and periosteal bone formation (P < 0.02 for each) in B6 tibiae. There were no effects of exercise on periosteal resorption or any endosteal measurement in either C3H or B6 mice. Since the jumping exercise was designed to cause a two-three fold increase in muscular-skeletal loading at the tibio-fibular junction, and the calculated stress (g/mm2) at this sampling site was only 16% greater for B6 compared with C3H mice, we had anticipated that both strains of mice would show exercise-dependent increases in periosteal bone formation, with a greater response in the B6 mice. The lack of a response in the C3H tibiae demonstrates that the bones of C3H mice are less sensitive to mechanical loading (and unloading) than the bones of B6 mice.

Alkaline Phosphatase↗
PubMed2004

Periosteal osteoblastoma of the distal femur.

Osteoblastomas located on the surface of the cortical bone, so-called periosteal osteoblastomas, are extremely rare. We report on a case of periosteal osteoblastoma arising from the posterior surface of the right distal femur in a 17-year-old man. Roentgenographic, computed tomographic, magnetic resonance imaging, and histologic features of the case are presented. Periosteal osteoblastoma should be radiologically and histologically differentiated from myositis ossificans, avulsive cortical irregularity syndrome, osteoid osteoma, parosteal osteosarcoma, periosteal osteosarcoma, and high-grade surface osteosarcoma. Although periosteal osteoblastoma is rare, this tumor should be included in the differential diagnosis of surface-type bone tumors.

Adolescent↗
PubMed2006

Concurrent periosteal chondroma and enchondroma of the fibula mimicking chondrosarcoma.

We present a rare concurrence of enchondroma and periosteal chondroma in the right distal fibula that mimicked chondrosarcoma in a 13-year-old boy. Radiographs and CT scans showed a periosteal lesion producing saucerization without periosteal reaction and calcification in the distal metaphysis of the right fibula. MRI showed an intramedullary lesion adjacent to the periosteal lesion, although it was invisible at CT. There was no cortical breach on imaging and gross examination. Because both lesions represented benign cartilaginous tumors on histology, concurrent periosteal chondroma and enchondroma of the fibula was diagnosed. This combination in the same bone in a patient without enchondromatosis is exceedingly rare. Such imaging features may be confused with those of chondrosarcoma.

Adolescent↗
PubMed1996

[Periosteal osteosarcoma. Histologic characteristics, preparation technique, growth pattern and differential diagnosis].

Periosteal osteosarcoma is a distinct bone tumor entity with characteristic morphological features within the group of juxtacortical osteosarcoma. Periosteal osteosarcoma is predominantly located in the long tubular bones, especially in the tibia and femur and is situated on the outer circumference of the tumor-bearing bone (saucerization phenomenon). In contrast to parosteal osteosarcoma, periosteal osteosarcoma is less differentiated and is believed to have a worse prognosis. In this work the histological features are described with predominantly chondroblastic differentiation of 14 cases with periosteal osteosarcoma. A horizontal preparation technique of periosteal osteosarcoma specimens allows comparison with computed tomography and is the optimal method to detect an invasion of the medullary cavity. Further studies are necessary to clarify if neoadjuvant chemotherapy could improve the prognosis of certain patients.

Adolescent↗
PubMed2003

Scapholunate ligament reconstruction using a periosteal flap of the iliac crest: a biomechanical study.

INTRODUCTION: Advances continue to improve direct reconstruction of the dorsal scapholunate (SL) ligament, which is the strongest part of the entire SL ligament and is known as the turning point between the scaphoid and lunate. This study was designed to compare the biomechanical properties of the dorsal SL ligament with those of a periosteal flap of the iliac crest, which is a new graft candidate for dorsal SL reconstruction. MATERIALS AND METHODS: A bone-ligament-bone complex was harvested for biomechanical testing from the iliac crest and the dorsal SL complex. Ten specimens could be prepared in each group. After potting the bone blocks in methylmethacrylate for stable fixation, the specimens were tested, using a servohydraulic testing system, at a rate of 10 mm/min. RESULTS: Failure displacement, failure force, failure stress, energy to failure, and stiffness were assessed for both groups. Eight specimens in each group were tested successfully. In the ligament group, six specimens failed at the ligament level, whereas two failed at the insertion of the scaphoid. In the periosteum group, all eight specimens failed at the ligament level. The failure force of the dorsal SL ligament averaged 171.8 N, failure stress was 10.3 N/mm2, and failure displacement amounted to 2.9 mm. Energy to failure was 269.1 N-mm, and stiffness averaged 77.2 N/mm. Failure force of the periosteal flap amounted to 144.3 N, failure stress was 9.9 N/mm2, failure displacement was 3.0 mm, and energy to failure was 217.9 N-mm. Stiffness of the periosteal flap measured 60.5 N/mm. Comparison of the dorsal SL ligament and the periosteal flap of the iliac crest revealed no significant biomechanical differences. CONCLUSION: Therefore, the biomechanical properties of the periosteal flap recommend its use for reconstruction of the dorsal SL ligament.

Biomechanical Phenomena↗
PubMed2001

Soft-tissue haemangioma and periosteal new bone formation on the neighbouring bone.

Deeply situated soft-tissue haemangioma sometimes causes periosteal new bone formation on the neighbouring bone. The purpose of this study was to elucidate the aetiological factors for this phenomenon. We studied 25 patients with soft-tissue haemangioma on whom plain radiographs and computed tomography (CT) and/or magnetic resonance imaging (MRI) examinations were performed. We examined the presence or absence of periosteal new bone formation, haemangioma-bone distance, size of haemangioma and pain. Periosteal new bone formation was seen in 12 of 25 patients. In these 12 patients, the haemangioma was adjacent to the bone in 11 patients, while the haemangioma-bone distance was 4 mm in the other patient. In the remaining 13 patients who had no periosteal new bone formation, the haemangioma-bone distance was 5-27 mm. Pain in the former group was stronger than that in the latter group, the difference being statistically significant. There was no statistically significant difference in size of haemangioma between the two groups. Therefore, the main factor that induces periosteal new bone formation on the neighbouring bone was not the size of haemangioma, but the distance between the haemangioma and the bone.

Adolescent↗
PubMed2004

Periosteal osteosarcoma with secondary bone marrow involvement: a case report.

Periosteal osteosarcoma is an exceedingly rare type of chondroblastic osteosarcoma, showing a rather good prognosis, and secondary bone marrow involvement is unusual. However, there have been some reports describing periosteal sarcoma involving medullary bone. We encountered a patient, a 38-year-old man, who had a bone surface tumor in the left tibia. An X-ray showed an erosive cortical mass extraosseous portion, located in the diaphysis of the tibia. Other images revealed a thin cortex, periosteal reactions, coarse mineralization in the extraosseous portion, and bone marrow involvement. Grossly, surgical materials showed that the tumor mainly existed at the periosteal portion, only a part of the cortex was destroyed, and there was medullary involvement throughout. Histological examinations showed a predominantly chondroid component with malignant osteoid formation. On the basis of the histological macroscopic and microscopic findings, we made the diagnosis of periosteal osteosarcoma with secondary bone marrow involvement.

Adult↗
PubMed2004

Periostitis and hypertrophic osteoarthropathy: etiologies and bone scan patterns in 115 cases.

BACKGROUND: Periostitis, usually seen on X-ray, may be diagnosed on bone scan as non-nodular cortical bone hyperactivity. Both the complete form (including clubbing, arthritis and periostitis) and the incomplete form have been described in association with chronic pulmonary disease, neoplasm, hepatopathy and inflammatory bowel disease. It is not known whether the bone scan pattern of non-nodular cortical bone hyperactivity varies with the etiology. METHODS: We conducted a retrospective study to analyze the etiologies and bone scan patterns of 115 cases of non-nodular cortical bone hyperactivity. RESULTS: Eighty percent of our patients were asymptomatic. Thirty-four percent of all cases of periostitis (all bilateral) were associated with cancer. The rate of cancer in cases of periostitis involving both lower limbs was 28.5%; it was 61.3% when both lower and upper limbs were involved. The duration of the disease was not correlated with either the distribution of periostitis or the intensity of uptake. Moreover, the intensity of uptake was not correlated with the importance of the symptomatology. Bone scan pattern (regular versus heterogenous uptake, localized versus diffuse uptake) was not correlated with the etiology. CONCLUSIONS: Bilateral upper and lower uptake should alert the clinician to the risk of association with neoplasm. Bone scan pattern and intensity of uptake are not necessarily correlated with etiology.

Journal Article↗
PubMed2006

Stress-induced spiculated periosteal reaction appearing as a malignant bone tumor: a case report.

OBJECTIVE: The aim of this study was to describe the appearance of a rare occurrence of a spiculated periosteal reaction caused by stress injury and the subsequent diagnostic assessments. A proposed mechanism for the etiology of stress-induced periosteal reactions in this case is offered. CLINICAL FEATURES: A 54-year-old female had ankle pain for 1 year. Radiographs revealed a spiculated periosteal reaction of the distal fibula. In light of the clinical history of prior breast carcinoma, the possibility of metastatic disease was entertained. INTERVENTION AND OUTCOME: Scintigraphy and magnetic resonance imaging were used in the diagnostic evaluation of this patient. Malignancy was ruled out on the basis of the magnetic resonance imaging findings, and an etiology of a stress reaction was proposed based on the scintigraphic findings. CONCLUSION: Stress-induced spiculated periosteal reactions are a rare occurrence. This case illustrates the role that advanced imaging plays in the assessment of a suspicious periosteal reaction.

Ankle Injuries↗
PubMed2005

Periosteal chondroma of the rib--report of a case and literature review.

Periosteal chondroma is a rare benign tumor of hyaline cartilage. It develops adjacent to the cortex of the bone and is rimmed by an intact periosteal membrane. Periosteal chondromas are most common in the metaphyses of long bones followed by the small tubular bones of the hands and feet. Periosteal chondroma arising in the rib is an extremely rare event. We could only find 10 reported cases in the English literature. We present a case of periosteal chondroma in the rib discovered incidentally on chest x-ray of an 11-year-old girl.

Cartilage↗
PubMed2002

[Alveolar and hard palate repair by tibial periosteal graft in complete unilateral cleft lip and palate. Long-term follow-up of 51 cases].

PURPOSE OF THE STUDY: The purpose of this study was double: appreciate the osteogenic and growth capacities of the free tibial periosteal graft concerning the alveolar and hard palate repair in the complete unilateral cleft lip and palate, and evaluate long-term follow-up concerning maxillo-mandibular morphology and palatal air-tight. MATERIAL AND METHOD: This retrospective study concerns 51 patients, of more than 13 years of age, treated for complete unilateral cleft lip and palate. The treatment included a Skoog type cheiloplasty, a tibial periosteal graft between 4 and 6 months (as described by M. Stricker) and a staphyloraphy between 8 and 18 months. Our documentation was: figures, pictures and precise description of the initial cleft, dental casts, teleradiographies, dental panorams performed at different stages of treatment, orthodontic, orthophonic and otologic follow-up. Growth was evaluated using casts during the first 6 years then by profil teleradiographies after puberty. Ossification was evaluated quantitatively by CT scan in 18 patients. RESULTS: Results confirm an ossification of the periosteal graft in 72% of cases and the advantage of periosteal graft in palatal air-tight. 85% of cases show equilibrated squeletal growth with good occlusion, and 13.7% of cases needed deferral osteotomy. CONCLUSION: We propose a method for long-term cleft results evaluation, with the use of periosteal graft.

Adolescent↗
PubMed2002

Temporal expression patterns of BMP receptors and collagen II (B) during periosteal chondrogenesis.

Articular cartilage has a limited ability to repair itself. Periosteal grafts have chondrogenic potential and are used clinically to repair defects in articular cartilage. An organ culture model system for in vitro rabbit periosteal chondrogenesis has been established to study the molecular events of periosteal chondrogenesis in vitro. In this model, bone morphogenetic protein-2 (BMP2) mRNA expression was found to be upregulated in the first 12 h. BMPs usually transduce their signals through a receptor complex that includes type II and either type IA or type IB BMP receptors. Receptors IA and IB play distinct roles during limb development. We have examined the temporal expression patterns for the mRNAs of these receptors using our experimental model. The mRNA expression patterns of these three BMP receptors differed from one another in periosteal explants during chondrogenesis. When these explants were cultured under chondrogenic conditions (agarose suspension with TGF-beta1 added to the media for the first 2 days), the expression of BMPRII mRNA and that of BMPRIA mRNA varied only slightly and persisted over a long time. In contrast, the expression of BMPRIB mRNAwas upregulated within 12 h, peaked at day 5, and fell to a level that was barely detected beyond day 21. Moreover, the expression of BMPRIB mRNA preceded that of collagen type IIB mRNAs, a marker for matrix-depositing chondrocytes. These data support a role for coordinate expression of BMP2 and its receptors early during periosteal chondrogenesis.

Amino Acid Sequence↗
PubMedDate not supplied

[Extracorporeal shock waves induce ventral-periosteal new bone formation out of the focus zone--results of an in-vivo animal trial].

AIM: It is known that high-energy extracorporeal shock waves, focussed to the intact distal rabbit femur, induce periosteal new bone formation within the focus zone. This study was done to investigate whether there is additionally new bone formation outside of the focus zone, i. e., in the proximal femur, 10 days after shock wave application to the distal rabbit femur. METHOD: 18 adult Chinchilla-Bastard rabbits were randomly divided into three groups (A, B, C; each n = 6). One distal femur of each animal was focussed for shock wave application with different positive energy flux densities (A 1.2 mJ/mm (2), B 0.9 mJ/mm (2), C sham treatment). Only the proximal femur outside the shock wave focus was investigated. Here periosteal new bone formation was evaluated by fluorescent labelling. The maximum thickness was measured by means of computer-assisted image analysis. RESULTS: Maximum ventral-periosteal new bone formation outside the shock wave focus was significantly increased in group A compared to group B (p = 0.007) or group C (p = 0.001). In contrast, the maximum ventral-periosteal new bone formation outside the shock wave focus demonstrated no statistically significant difference in group B compared to group C (p = 1.0). CONCLUSION: Depending from the amount of positive energy flux density applied to distal rabbit femur a significantly increased ventral-periosteal new bone formation results in the proximal rabbit femur outside the shock wave focus.

Animals↗
PubMed2005

The cellular origin of cartilage-like tissue after periosteal transplantation of full-thickness articular cartilage defects: an experimental study using transgenic rats expressing green fluorescent protein.

BACKGROUND: Periosteal transplantation is commonly used for the treatment of articular cartilage defects. However, the cellular origin of the regenerated tissue after periosteal transplantation has not been well defined. The objective of this study was to investigate the cellular origin of the regenerated tissue after periosteal transplantation. METHOD: Free periosteum was harvested from the tibia of 10-week-old adolescent enhanced green fluorescent protein (GFP-) expressing transgenic Sprague Dawley (SD) rats and was transplanted to full-thickness articular cartilage defects of the patellar groove in normal 10-week-old adolescent SD rats. The periosteum was sutured to the defect with the cambium layer facing the joint cavity. 8 SD rats were killed at 4 weeks and 8 SD rats were killed at 8 weeks after surgery. The repaired tissue was assessed histologically and histochemically. GFP-positive cells derived from the donor periosteum could easily be detected in the repaired tissue by use of a fluorescent microscope. RESULTS: At both 4 and 8 weeks after transplantation, the entire area of the defects had been repaired, with the regenerated tissue being well stained histologically with safranin-O. Most cells in the whole area of the regenerated tissue were GFP-positive, indicating that very few of the cells were GFP-negative cells originating from the recipient rats. INTERPRETATION: This experiment demonstrates that most cells in regenerated tissue after periosteal transplantation using adolescent animals do not originate from recipient cells but from the periosteal cells of the donor.

Animals↗
PubMedDate not supplied

Role of the periosteal flap in chondrocyte transplantation: an experimental study in rabbits.

To determine the role of the periosteal flap in chondrocyte transplantation for the treatment of articular cartilage defects, a cartilage defect was created on the patellar groove of the rabbit knee. The defect was filled with chondrocytes cultured in collagen gel, and was covered with a periosteal flap the cambial layer of which was facing the patella (P group), or facing down against the bone marrow (M group). The same defect was covered with a periosteal flap that was frozen and thawed three times (F group), and an artificial collagen film (C group). At 3 and 6 months, the defects were filled with reparative tissues that showed a smooth surface and resembled hyaline cartilage in the P, M, and F groups. There were no significant differences between the reparative tissues in the three groups histologically, immunohistochemically, biochemically, and biomechanically, although the collagen film fell down into the defect and the reparative tissue had a fibrous tissue-like appearance. These results showed that the periosteal flap does not have a beneficial humoral or cellular effect on the formation of reparative tissue, suggesting that the periosteal flap might act as a mechanical barrier to prevent leakage of grafted chondrocytes.

Animals↗
PubMed1996

Use of lumbar periosteal turnover flaps in myelomeningocele closure.

OBJECTIVE: We report our experience with a previously undescribed method of myelomeningocele closure, which is the use of bilateral lumbar periosteal flaps as an additional tissue layer in complex cases. These flaps reinforce the dural repair, act to protect the spinal cord, and may help to contain any potential cerebrospinal fluid leak from the primary repair of the cord, thereby preventing pseudomeningocele formation. METHODS: The repair involves the development of bilateral thoracolumbar fascial flaps in conjunction with periosteal flaps, which are elevated from adjacent lumbar pedicles and transverse processes, thus forming a composite tissue flap. These periosteally based flaps may be closed in a "pants over vest" fashion to completely cover the spinal defect, reinforcing the neurosurgical repair. The flap anatomy and dissection are detailed. RESULTS: Two representative cases in which the lumbar periosteal turnover flap procedure was used are reported. One patient was operated on during the early neonatal period for primary myelomeningocele repair; the other was operated on at age 5 years after a tethered cord release. Durable, stable soft tissue coverage of the spinal cord was obtained in both patients, with a postoperative follow-up period of at least 12 months. There was no recurrence of the pseudomeningocele noted preoperatively in the second patient. CONCLUSION: The lumbar periosteal turnover flap may be used to reinforce tenuous spinal cord and dural repairs in the myelomeningocele patient. This method provides a secure and watertight closure over the primary repair of the cord, may help to contain potential cerebrospinal fluid leaks, and adds an additional autologous tissue layer to standard skin or muscle flap repairs.

Child, Preschool↗
PubMed2006

What wrapped perichondrial and periosteal grafts offer as regenerators of new tissue.

The major goals in contour restoration procedures are to re-establish the desired contour with the use of resilient and durable materials that can be easily found and harvested. Cartilage grafts are commonly used for these purposes though they often possess a problem of donor site morbidity and shortage of quantity. The neo-cartilage formation capacities of both perichondrium and periosteum are well-known. We aimed to optimize both the amount and quality of the newly forming tissue from perichondrial and periosteal grafts. For this purpose the grafts were wrapped on themselves. Placement of oxidized regenerated cellulose (ORC) within graft layers was performed in two groups with the aim of giving support to the regenerating tissue, and increasing the connective tissue formation within the graft layers. Three-month-old New Zealand white rabbits were used. Group 1 ear perichondrial, and Group 2 calvarium periosteal grafts of 1.4 x 2.4 cm were harvested, folded on themselves, and sutured at the edges to create closed pockets. 0.8 x 0.8 cm sized ORC sheets were placed inside the pockets before wrapping in Group 3 perichondrial and Group 4 periosteal grafts. 0.2-mL autogenous blood was injected in each pocket. All grafts were transplanted under the abdominal muscle fascia, and harvested after 6 weeks. Volumes and weights of wrapped perichondrial grafts were higher than their periosteal counterparts either with or without the inclusion of ORC. Grafts with ORC (Groups 3 and 4) were heavier than the grafts lacking ORC (Groups 1 and 2), in a statistically significant manner (P </= 0.01). Histologically, the inclusion of ORC in both perichondrial and periosteal grafts resulted in an increased amount of fibrosis, yet did not preclude neo-cartilage formation.

Abdomen↗