In general, soft tissue and bone tumors are diagnosed clinically by physical findings, laboratory data, and X-ray findings with only limited reliability, and a definite diagnosis must be supported by histopathological evidence. For this purpose, open biopsy routinely has been carried out, but there have been many disadvantages and sometimes followed by surgical complications. The present study was undertaken to compare the cytologic findings of soft tissue and bone lesions with the histological findings. The specimen were obtained by fine needle aspiration and Franklin-Silverman needle. For cytodiagnosis Stormby's cell block of aspirates were utilized. For histological diagnosis small tissue fragments obtained by the Franklin-Silvermans cutting needle were used. Then, the diagnostic accuracy of 3 different methods were compared, and the clinical applicability of those methods as adjunctive diagnostic procedures in the diagnosis of the soft tissue and bone tumors were assessed. The results obtained were as follows: l. In 15 out of the 20 cases (75%) in which clinically and roentgenologically the soft tissue and bone tumors were suspected, sufficient material was aspirated to enable detailed cytological diagnosis possible by fine needle aspiration. ln 13 out of the 15 cases, diagnosis could be made by cytologic findings, which was similar to histologic findings of tissue obtained by Franklin-Silverman needle. 2. In 6 out of the 20 cases, sufficient tissue fluid for cell block preparation were obtained from the tumor tissues. In 5 cases, cytologic findings of cell blocks were consistent with that ot the tissue obtained by Silverman needle. But in one case malignancy was susupected by cytodiagnostic method, and definite diagnosis could not be made. Finally the lesion was found to be malignant schwannoma through the histological study of tissue specimen obtained by Franklin-Silverman needle biopsy. 3. In 19 out of the 20 cases, diagnosis could be made by Franklin-Silverman needle biopsy. 4. Diagnostic accuracy of the lesions by clinical and roentgenological method was 75%, which overall diagnostic accuracy of 3 methods were 86.7% in aspiration cytology, 83.3% in cytodiagosis of cell block and 95% of histodiagnosis of tissue specimen obtained by Franklin-Silverman needle. Through this study it is found that cytodiagnostic method of aspirates and histodiagnosis of the small tissue specimen by Franklin-Silverman needle are very useful adjunctive methods in enhancing the diagnostic accuracy of the soft tissue and bone lesion prior to open biopsy trial.
Biopsy ; Biopsy, Fine-Needle ; Biopsy, Needle ; Cytodiagnosis ; Diagnosis ; Methods ; Needles ; Neurilemmoma

In this study, author tried to clarify the chronological and histological change of the growing spine after posterior cement fixation in dogs. The material used for the study consisted of 24 male mongrel dogs, aged 8 weeks. Lumbar spines, from 3rd to 5th were fixed posteriorly with bone cement (Zimmer Co. U.S.A.). After posterior spinai fixation with bone cement, there dogs at a time were sacrificed every 4 weeks up to 32 weeks, and histologic changes of intervertebral disc, growth plate and the vertebral bodies were observed after hematoxylin & eosin stainning with light microscope. The results obtained were as follows: 1. Thinning of the growth plate and distortion of the cartilage columns developed gradually after posterior cement fixation of the spine, but premature closure of the growth plate did not develop and the growth of the vertebral body continued till 32 weeks after operation. 2. Intervertebral disc thinned posteriorly and widened anteriorly without any changes in subchondral cortices, though there is some bony atrophy in the body which is represented by the thinning and coarseness of bony spicules. 3. At 16 weeks the cartilage layer of the vertebral end plate became thinner, and at 32 weeks there were profound degenerative changes in the cartilages. 4. After fixation of the spine, the nucleus pulposus gradually degraded and was replaced by fibrous tissues, and began to adhere to the vertebral end plate at 24 weeks and completely adhered to it at 32 weeks after fixation. 5. The direction of the horizontally arranged annulus fibrosus began to derange from 24 weeks after fixation, and at 32 weeks all the fibers of the annulus fibrosus were vertically arranged completely. Through this study it is found that posterior spinal fixation with bone cement affects growths of the vertebral growth plate, and end plate slightly, but there were no cessation of cartilaginous growth which might later cause the vertebral deformity. Also it is clarified that posterior fixation of e spine with cement develops noticeable degenerative changes in the intervertebrai disc and thereby develops the lordotic curve of the cemented segment of the spine.
Animals ; Atrophy ; Cartilage ; Congenital Abnormalities ; Dogs ; Eosine Yellowish-(YS) ; Growth Plate ; Hematoxylin ; Humans ; Intervertebral Disc ; Male ; Spine

The distal tibial physeal plate is the second most frequently injured physis and the percentile incidence of its injury is reported to reach 11 percent of all physeal injuries. After physeal injuries, many complications may follow such as angulatory deformity, incongruity of the joint surface, and growth disturbance, which are well recognized. Therefore, for preventing these complications, we have to know mechanism of injury and position of foot in injury. There are several published articles about classification of these injuries. The first traumatological classification of ankle injuries in children is the one proposed by Bishop. Although there were many reports about classification since Bishop, those did not mention the position of foot in injury. Recently a modified classification by Dias and Tachdjian added the postiton of the foot during injury to the direction of the force as Lauge-Hansen did. There were only few reports about epiphyseal and physeal injuries of the ankle in Korea. Also, we could not find the reports which dealt with more than forty cases. The authors have made a clinical analysis on forty cases of childrens ankle fractures, and among them twenty-two could be followed over a year, who were treated at the Department of Orthopaedic Surgery, Kang-Nam St. Marys Hospital, from June 1981 to December 1986. Children were in age of 3 to 16 years. Forty cases were classified according to modified Dias and Tachdjians. 15 out of 40 cases (37.5%) had supination and external rotation injury, which is the most frequent mechanism of injury in this series. However, one case (2.5%) which was suspected to be axial compression type could not be accommodated to this classification. Twenty-seven cases were treated by gentle closed reduction and immobillization in a plaster cast, and thirteen by open reduction and internal fixation. Among the 22 cases who were followed over a year, five cases had complications, such as angulatory deformity, incongruity of the joint surface, and growth disturbance. Three cases out of these five cases had incongruity of the joint surface.
Ankle Fractures ; Ankle Injuries ; Ankle ; Casts, Surgical ; Child ; Classification ; Congenital Abnormalities ; Foot ; Humans ; Incidence ; Joints ; Korea ; Supination

The accepted radiographic method to determine cervical spinal stenosis is the direct measurement of the sagittal diameter of the spinal canal on the routine lateral view of the cervical spine. The reported normal and abnormal values for this measurement are inconsistent because of various methods of obtaining the roentgenograms and different body types which affect the size of the X-ray image. According to Pavlow, the ratio method of determining crevical spinal stenosis, in which the sagittal diameter of the spinal canal is divided by the sagittal diameter of the corresponding vertebral body, is independent of technical factor variables and is a reliable method for determining cervical spinal stenosis. In order to determine the Pavlov's ratio of normal Koreans, and compare it with that of radiculopathic group, we measured the diameter of cervicl canal in 47 normal persons(28 male, 19 female), and 32 patients( 9 male, 23 female) who had transient tingling sensation and radiculopathic symtom from the second to fifth decades. The results were as follows :1) The average Pavlov's ratio from C3 to C7 in normal Korean men are 0.906(0.70–1.13), 0.899 (0.070–1.13),0.948(0.70–1.67) and 0.948(0.67–1.17), respectively, and those of normal Korean women are 0.977(0.83–1.15), 1.021(0.83–1.13), 1.014(0.84–1.33) and 1.055(0.88–1.18), respectively. 2) The average Pavlov's ratio from C3 to C7 in radiculopathic Korean men are 0.88(0.65–1.12), 0.90(0.68–1.12), 0.95(0.79–1.12) and 0.95(0.78–1.06), respectively, and those of radiculopathic Korean women are 0.902(0.70–1.27), 0.905(0.69–1.27), 0.939(0.70–1.33) and 0.931(0.70–1. 18), respectively. 3) There are not statistically differences of the Pavlov's ratio between the control group and the radiculopathic group. 4) We believe that the Pavlov's ratio is an effective method in detection of cervical stenosis and is able to eliminate technical factor such as body position, target and object-to-film distanc.
Asian Continental Ancestry Group ; Constriction, Pathologic ; Female ; Humans ; Male ; Methods ; Sensation ; Somatotypes ; Spinal Canal ; Spinal Stenosis ; Spine

No abstract available.

No abstract available.

No abstract available.
Animals ; Ethanol* ; Killer Cells, Natural* ; Mice* ; Rats*

Five adult cases of post-laminectomy swan-neck deformity are reported. The factors causing the deformity, prophylactic measures, and treatment of the deformity are discussed. It is strongly adviced to the neurosurgeons and orthopedic surgeons that they should be aware of this unwanted complication of the multi-level cervical laminectomies, and that they should provide every preventive measures before post-laminectomy swan neck deformity develops. Anterior interbody fusion spanning the entire unstable segments is preferably recommended together with application of pre-fusion traction.
Adult ; Congenital Abnormalities ; Humans ; Laminectomy ; Neck ; Neurosurgeons ; Orthopedics ; Surgeons ; Traction

Hip dislocation represents 2 to 5% of all joint dislocation whereas bilateral hip dislocation occurring as a result of trauma is rarely reported, accounting for 0.025 to 0.050% of hip dislocation cases. It is known that the simultaneous occurrence of traumatic dislocation with one anterior and the other posterior is even rarer. The case described showed a bilateral hip dislocation which occurred anteriorly at the right hip and posteriorly at the left with both femoral heads fractured as a result of a traffic accident. The right hip of the patient was dislocated in the anteroinferior direction of the right acetabulum, and the left hip in the posterosuperior direction of the left acetabulum. Both hip fractures were accompanied by fragments above the fovea centralis. The patient was treated by immediate reduction followed by skin traction. Partial weight bearing was performed after 6 weeks of bed rest and full weight bearing began on the 10th week. No complications such as avascular femoral head necrosis or traumatic arthritis occured.
Accidents, Traffic ; Acetabulum ; Arthritis ; Bed Rest ; Dislocations* ; Fovea Centralis ; Head* ; Hip ; Hip Dislocation ; Hip Fractures ; Humans ; Joints ; Necrosis ; Skin ; Traction ; Weight-Bearing

Phyllodes tumor (PT) is a rare fibroepithelial tumor of the breast, and these tumors are subdivided into benign, borderline, and malignant tumors. The criteria for their histologic diagnosis have been relatively well-described. However, the cytologic diagnosis presents more difficulties and only a few cytologic studies concerned with their subclassification have been published. The objective of the current study is to describe the cytologic features of benign, borderline and malignant PTs in an attempt to distinguish one from the others. Cytohistologic correlation for 11 benign, 3 borderline and 3 malignant PTs was performed. For all these cases, the preoperative fine needle aspiration (FNA) findings were available for review. The features we examined were a necrotic background, cellularity, stromal tissue fragments, stromal pleomorphism and atypism, dissociated stromal cells and mitosis. The overall diagnostic accuracy of FNA for the PT grading was 88.2% (15/17). Two benign PTs were cytologically misinterpreted as "atypical epithelial and stromal cells" and "highly suspicious for ductal carcinoma". Nevertheless, the cytologic diagnosis and the grading of PTs on FNA were relatively reliable. Semiquantitative analysis for the cellular stromal tissue fragments, stromal pleomorphism and atypism, dissociated stromal cells and mitosis might be helpful for subclassifing PTs on FNA. In the case of encountering a markedly necrotic background, special concern about degenerative change such as infarction is needed.
Biopsy, Fine-Needle ; Breast ; Infarction ; Mitosis ; Phyllodes Tumor ; Stromal Cells