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1.
Acta cir. bras ; 34(6): e201900604, 2019. graf
Article in English | LILACS | ID: biblio-1019261

ABSTRACT

Abstract Purpose In view of the principal role of Toll-like receptor 4 (TLR4) in mediating sterile inflammatory response contributing to osteoarthritis (OA) pathogenesis, we used lipopolysaccharide (LPS), a known TLR4 activator, to clarify whether modulation of TLR4 contributed to the protective actions of intra-articular administration of curcumin in a classical rat OA model surgically induced by anterior cruciate ligament transection (ACLT). Methods The rats underwent ACLT and received 50μl of curcumin at the concentration of 1 mg mL-1 and 10 μg LPS by intra-articular injection once a week for 8 weeks. Morphological changes of the cartilage and synovial tissues were observed. Apoptotic chondrocytes were detected using TUNEL assay. The concentrations of IL-1β and TNF-ɑ in synovial fluid were determined using ELISA kits. The mRNA and protein expression levels of TLR4 and NF-κB p65 were detected by real-time PCR and Western blotting, respectively. Results Intra-articular administration of curcumin significantly improved articular cartilage injury, suppressed synovial inflammation and down-regulated the overexpression of TLR4 and its downstream NF-κB caused by LPS-induced TLR4 activation in rat osteoarthritic knees. Conclusion The data suggested that the inhibition of TLR4 signal might be an important mechanism underlying a protective effect of local curcumin administration on OA.


Subject(s)
Animals , Male , Rats , Osteoarthritis/prevention & control , Anterior Cruciate Ligament/surgery , Curcumin/pharmacology , Osteoarthritis/chemically induced , Osteoarthritis/metabolism , Enzyme-Linked Immunosorbent Assay , Lipopolysaccharides , Blotting, Western , Polymerase Chain Reaction , Anterior Cruciate Ligament/pathology , NF-kappa B/metabolism , Lymphotoxin-alpha/metabolism , Disease Models, Animal , Toll-Like Receptor 4/drug effects , Toll-Like Receptor 4/metabolism , Interleukin-1beta/metabolism , Injections, Intra-Arterial
2.
Acta cir. bras ; 31(9): 602-607, Sept. 2016. graf
Article in English | LILACS | ID: lil-795993

ABSTRACT

ABSTRACT PURPOSE: To compare two different experimental models of osteoarthritis in rabbits: intra-articular collagenase injection and anterior cruciate ligament transection. METHODS: Ten adult rabbits were randomly divided in two groups: COLL (collagenase group) and ACLT (anterior cruciate ligament transection). The COLL group was treated with 0.5 ml collagenase solution (2mg collagenase/0.5 ml sterile PBS), and the ACTL group was subjected to anterior cruciate ligament. After six and twelve weeks, respectively, the animals in the COLL and ACTL groups were euthanized. The gross appearance and histological examinations conducted in the cartilage articular surface was blindly scored according to the criteria developed by Yoshimi et al. (1994) and Mankin et al. (1971), respectively. RESULTS: The gross morphologic observation, macroscopic score and histological examinations have demonstrated that the ACTL group presented the highest scores, and lesions more severe than those in the COLL group. CONCLUSIONS: Both methods, anterior cruciate ligament transection and collagenase, applied to the stifle joint of the rabbits have effectively induced degenerative changes in the cartilage tissue, through statistically significant analysis (p≤0.05). The ACTL method has presented more severe lesions.


Subject(s)
Animals , Male , Rabbits , Osteoarthritis/pathology , Cartilage, Articular/pathology , Anterior Cruciate Ligament , Collagenases , Disease Models, Animal , Osteoarthritis/etiology , Cartilage, Articular/drug effects , Random Allocation , Anterior Cruciate Ligament/surgery , Anterior Cruciate Ligament/pathology , Collagenases/administration & dosage , Injections, Intra-Arterial , Knee Joint/drug effects , Knee Joint/pathology , Ligaments/pathology
3.
Rev. chil. ortop. traumatol ; 56(2): 7-12, mayo-ago.2015. ilus, tab
Article in Spanish | LILACS | ID: lil-795836

ABSTRACT

El objetivo de este estudio fue evaluar si las medidas antropométricas y demográficas de pacientes con esqueleto inmaduro pueden ser utilizadas para predecir el diámetro del autoinjerto semitendinoso-gracilis (ST-G) en la cirugía de reconstrucción del ligamento cruzado anterior (LCA). Métodos: Serie retrospectiva de 169 pacientes con esqueleto inmaduro (112 hombres, 57 mujeres, edad media 15,8 años) que se sometieron a cirugía de reconstrucción del LCA con autoinjerto ST-G. Se registraron las medidas antropométricas (peso, talla e índice de masa corporal [IMC]), datos demográficos (edad y sexo) y diámetro del autoinjerto ST-G utilizados. Se utilizaron coeficientes de correlación, regresión lineal y t de Student para determinar la relación entre variables antropométricas-demográficas y el diámetro del injerto. Los valores de p < 0,05 fueron considerados estadísticamente significativos. Resultados: El análisis estadístico mostró una correlación positiva significativa tanto para la talla y el peso con el diámetro del injerto (r = 0,483, p < 0,0001; r = 0,248, p = 0,001, respectivamente). Sin embargo, la edad y el IMC no se correlacionaron con el diámetro del injerto (r = 0,098 y p = 0,203, r = 0,009 y p = 0,905, respectivamente). La media del diámetro del injerto en los hombres fue de 8,2mm (rango 6-10) y 7,5mm en las mujeres (rango 6-9), diferencia que fue estadísticamente significativa (p < 0,001). Conclusiones: La predicción del diámetro del injerto ST-G según la talla del paciente es un método fácil y fiable en pacientes con esqueleto inmaduro. Estos datos pueden proporcionar información preoperatoria relevante sobre la necesidad de una técnica para aumentar el injerto ante un eventual diámetro insuficiente de este...


The aim of this study was to evaluate whether the anthropometric and demographic measures of patients under 18 years old can be used to predict the diameter of semitendinosus-gracilis (ST-G) autografts in anterior cruciate ligament (ACL) reconstruction surgery. Methods: A study was conducted on retrospective series of 169 patients under 18 years (112 men, 57 women, average age 15.8 years) who underwent to ACL reconstruction surgery with ST-G autograft. The anthropometric measurements were recorded (weight, height and body mass index), demographics (age and gender) and the diameter of the ST-G used. Correlation coefficients, linear regression and unpaired t-test were used to determine the relationship between anthropometric/demographic variables and the diameter of the graft. P values <.05 were considered statistically significant. Results:Correlation analysis showed a significant positive relationship between height and graft diameter (r=0.483, P<.0001), as well as between weight and graft diameter (r=0.248, P=.001). However, age and body mass index (BMI) did not correlate with graft thickness (r=0.098 and P=.203, r=0.009 and P=.905, respectively). The mean graft diameter in men was 8.2 (range 6-10) and 7.5 in women (range 6-9), a difference that was statistically significant (P<.001). Conclusions:Prediction of the ST-G graft diameter according the height of the patient is an easy and reliable method in children and adolescents. These data can provide relevant preoperative information on the need for an alternative graft source for an eventual insufficient diameter of the latter...


Subject(s)
Humans , Male , Adolescent , Female , Body Height , Anterior Cruciate Ligament/surgery , Anterior Cruciate Ligament/pathology , Anterior Cruciate Ligament Reconstruction/methods , Transplantation, Autologous/methods , Anthropometry , Autografts , Body Mass Index , Demography , Linear Models , Prognosis , Retrospective Studies
4.
Acta ortop. mex ; 29(3): 176-181, ilus, tab
Article in Spanish | LILACS | ID: lil-773380

ABSTRACT

Los ligamentos cruzados (LC) de la rodilla, anterior (A) y posterior (P), localizados dentro de la articulación, unen fémur y tibia, dando estabilidad sobre la dirección anteroposterior de un hueso sobre otro. El LCA puede lesionarse mediante rotaciones provocadas en algún deporte que implique giro con el pie apoyado sobre el suelo. Las lesiones del LCA se determinan con maniobras como la de Lachman, cajón y pivote. Se utilizan acelerómetros que permiten graficar la maniobra de pivote en pacientes que acuden a consulta ortopédica, utilizando la prueba de KT1000 como estándar de oro. El trabajo ha sido aprobado por el Comité de Ética del Hospital. Estudio descriptivo entre casos y controles. Resultados: 92 pacientes aceptaron participar mediante consentimiento informado, nueve casos resultaron con KT1000 positivo, de los negativos, seleccionamos nueve controles afines a edad y género. Alteraciones de KT1000 fueron mayores en mujeres (78%) y en 67% de los casos la pierna alterada fue la derecha. Los resultados promedio de KT1000 en casos fue de 5.44 mm, en controles de 0.66 mm. Los acelerómetros permitieron graficar la maniobra de pivote y observamos gráficas similares tanto en casos y controles, solamente se muestran diferencias notables en un paciente masculino con KT1000 de 15 mm que fue sometido a reparación de LCA izquierdo, la maniobra se realizó al estar sedado. Concluimos que el paciente, en estado consciente, pone resistencia en la maniobra, a diferencia de la obtenida con anestesia, y que el uso de acelerómetros permite documentar la maniobra de pivote observando diferencias entre un LCA normal y uno lesionado.


The anterior (A) and posterior (P) cruciate ligaments (CL) of the knee, located inside the joint, connect the femur and the tibia and thus provide stability in the anteroposterior axis of one bone over the other. The anterior cruciate ligament (ACL) may be injured as a result of rotation when practicing a sport involving turning with the foot on the ground. ACL injuries are diagnosed with maneuvers like the Lachman, drawer and pivot. Accelerometers were used to plot the pivot maneuver in patients seeing the orthopedist surgeon using the KT1000 test as gold standard. This case-control descriptive study was approved by the Hospital's Ethics Committee. Results: 92 patients accepted to participate through an informed consent; nine cases were KT1000 positive, and nine age- and gender-matched controls were selected among KT1000 negative patients. KT1000 alterations were greater among females (78%) and in 67% of cases the right leg was affected. Mean KT1000 results were 5.44 mm in cases and 0.66 mm in controls. Accelerometers allowed plotting the pivot maneuver and the resulting charts for cases and controls were similar. Remarkable differences were seen only in one male patient with a 15 mm KT1000, who underwent repair of the left ACL; the maneuver was performed under sedation. We concluded that conscious patients oppose the maneuver, unlike anesthetized patients, and that the use of accelerometers helps document the pivot maneuver which, in turn, helps detect differences between a normal ACL and an injured one.


Subject(s)
Adolescent , Adult , Aged , Female , Humans , Male , Middle Aged , Young Adult , Accelerometry/methods , Anterior Cruciate Ligament/injuries , Knee Injuries/diagnosis , Orthopedic Procedures/methods , Anterior Cruciate Ligament/pathology , Case-Control Studies , Knee Injuries/pathology
5.
Artrosc. (B. Aires) ; 21(4): 136-138, dic. 2014.
Article in Spanish | LILACS | ID: lil-742341

ABSTRACT

Se ha descripto que los tumores de la rodilla pueden ser inicialmente mal diagnosticados como lesiones deportivas o viceversa, con consecuencias dramáticas potenciales. Otro diagnóstico aún más conflictivo puede suceder cuando ambas patologías ocurren en forma simultánea. La ruptura del ligamento cruzado anterior está dentro de las lesiones deportivas más frecuentes, con una incidencia en EEUU de 150.000 a 200.000 por año. En contraste, los tumores musculo-esqueléticos de rodilla son relativamente infrecuentes. A pesar de esto, las lesiones deportivas y las lesiones tumorales presentan una estricta relación ya que exhiben un mismo grupo etario con similar sintomatología y localización anatómica, pudiendo generar problemas en el diagnóstico. El objetivo del trabajo fue describir tres pacientes con lesiones simultáneas en la rodilla: una ruptura traumática del ligamento cruzado anterior (LCA) y un tumor musculo-esquelético que puede ser particularmente confuso para el cirujano tratante. Nivel de evidencia: IV...


It has been reported that tumors about the knee may be initially misdiagnosed as athletic injuries or vice versa, with potentially dramatic consequences. An even more conflicting diagnostic situation might happen when both pathologies occur simultaneously. Anterior cruciate ligament ruptures are among the most frequent athletic injuries, with an incidence of 150.000-200.000 per year in the USA. On the other side, musculoskeletal tumors about the knee are much less common. However, they frequently occur in the same age group with symptoms that overlap, making it difficult to have a precise diagnosis. We report three patients with simultaneous lesions about the knee: A traumatic anterior cruciate ligament (ACL) rupture and a musculoskeletal tumor, which may be confusing for the treating surgeon. Level of evidence: IV...


Subject(s)
Adult , Knee Joint/surgery , Knee Joint/pathology , Anterior Cruciate Ligament/surgery , Anterior Cruciate Ligament/pathology , Bone Neoplasms/surgery , Bone Neoplasms/diagnosis , Treatment Outcome , Rupture , Athletic Injuries/pathology
6.
Clinics in Orthopedic Surgery ; : 242-244, 2014.
Article in English | WPRIM | ID: wpr-100960

ABSTRACT

The localized type of tenosynovial giant cell tumor usually occurs on the palmar side of fingers and toes. Tenosynovial giant cell tumors of the tendon sheath are rarely intra-articular. We report a giant cell tumor of the tendon sheath arising from femoral attachment of the anterior cruciate ligament and its treatment with arthroscopy in a 28-year-old man.


Subject(s)
Adult , Humans , Male , Anterior Cruciate Ligament/pathology , Arthroscopy , Femur , Giant Cell Tumors/diagnosis , Knee , Synovitis, Pigmented Villonodular/diagnosis , Tendons/pathology
7.
Rev. Asoc. Argent. Ortop. Traumatol ; 78(1): 5-12, mar. 2013.
Article in Spanish | LILACS | ID: lil-689072

ABSTRACT

Introducción: Actualizar el cuadro de ligamento cruzado anterior mucoide y describir nuestra experiencia en el diagnóstico y el tratamiento quirúrgico. Materiales y métodos: Se analizan los aspectos clínicos y fisiopatológicos, los hallazgos por imágenes y el tratamiento quirúrgico, según las series publicadas. Además, se presenta un estudio retrospectivo con 27 pacientes (promedio de edad, 55 años ; rango 34-68 años), llevado a cabo entre 2004 y 2011. Para la evaluación de los pacientesse consideró el dolor, el rango de movilidad y la estabilidad. Se emplearon maniobras clínicas y el artrómetro KT-1000 para evaluar la estabilidad posoperatoria. Se realizaron radiografías y resonancia magnética preoperatorias y posoperatorias. Los resultados funcionales posoperatorios fueron evaluados con las escalas de Lysholm, IKDC, y la evaluación subjetiva del dolor. Se tomaron muestras para biopsia. Resultados: La escala de evaluación analógica del dolor mejoró un promedio de 6 puntos y el rango de movilidad, un promedio de 26°. La estabilidad de la rodilla no estaba comprometida. Las escalas de evaluación funcional arrojaron un IKDC de A en el 50 por ciento de los pacientes, de B en el 33 por ciento y de C en el 17 por ciento. El puntaje de Lysholm fue de 95. El resultado en la escala de evaluación subjetiva osciló entre muy bueno y excelente en la mayoría de los casos. No hubo complicaciones posoperatorias. Conclusiones: La resonancia magnética es el estudio por imágenes para el diagnóstico preoperatorio; los hallazgos son característicos y no deben confundirse con desgarros del ligamento cruzado anterior. El diagnóstico definitivo es histológico. Creemos que el tratamiento artroscópico es eficaz, reproducible y tiene una baja tasa de complicaciones.


Subject(s)
Adult , Knee Joint/surgery , Knee Joint/pathology , Joint Diseases/diagnosis , Joint Diseases/pathology , Arthroscopy/methods , Anterior Cruciate Ligament/surgery , Anterior Cruciate Ligament/pathology , Anterior Cruciate Ligament , Magnetic Resonance Imaging , Mucus , Pain Measurement , Range of Motion, Articular , Retrospective Studies
8.
Clinics in Orthopedic Surgery ; : 167-170, 2012.
Article in English | WPRIM | ID: wpr-101284

ABSTRACT

Unlike meniscal tears and chondral defects, the mucoid degeneration of the anterior cruciate ligament (ACL) is a rare cause of knee pain and there have been no case reports of mucoid degeneration of both the ACL and the posterior cruciate ligament (PCL). A 48-year-old-male patient presented with knee pain and limitation of motion. The patient's magnetic resonance imaging, arthroscopic findings, and pathologic diagnosis confirmed a clinical diagnosis of mucoid degeneration of both the ACL and the PCL. The symptoms disappeared after arthroscopic partial excision of the ACL and PCL.


Subject(s)
Humans , Male , Middle Aged , Anterior Cruciate Ligament/pathology , Arthralgia/etiology , Joint Diseases/diagnosis , Knee Joint/pathology , Posterior Cruciate Ligament/pathology
9.
Article in Spanish | LILACS | ID: lil-599590

ABSTRACT

El objetivo del trabajo fue el de evaluar los cambios artrósicos luego de la reconstrucción del LCA con tendón rotuliano mediante resonancia magnética nuclear (RMN) en una serie de pacientes con un seguimiento promedio de 14 años. Método: Cuarenta y cinco pacientes (48 rodillas) que habían sido operados con reconstrucción del LCA con 2 incisiones usando el tendón rotuliano como autoinjerto, 38 masculinos y 7 femeninos con un promedio de edad de 40 años (rango 27-56). Antes o durante la reconstrucción meniscetomias internas o rupturas fueron encontrados en un 65% de los pacientes y meniscectomias externas o rupturas en un 14 por ciento. Los pacientes tuvieron un seguimiento promedio de 14 años (rango 10-20 años). Fueron evaluados con el score de Lysholm e IKDC. Los cambios artrósicos fueron gradificados con la escala de Noyes y Stables modificada por Recht para RMN. Resultados: Luego de 14 años promedio el promedio de Lysholm fue de 94 (80-100) Y de acuerdo IKDC 44 por ciento de los pacientes A, 50 por ciento B y 6 por ciento C. La diferencia artrométrica promedio fue de 2,7 mm (rango l-5). El test de pivot shift fue negativo en el 86 por ciento de los casos. Sin embargo 73 por ciento de la serie presentó cambios artrósicos (44 por ciento leves, 29 por ciento moderados). Hubo correlación entre el desarrollo de la artrosis y las meniscectomias pero no hubo correlación con la estabilidad de la rodilla. Conclusión: A pesar que la reconstrucción del LCA puede dar estabilidad luego de 14 años promedio de seguimiento, la progresión de la artrosis, especialmente en pacientes con meniscectomias, impresiona ser un problema no resuelto.


Subject(s)
Adult , Middle Aged , Young Adult , Cartilage, Articular/pathology , Anterior Cruciate Ligament/surgery , Anterior Cruciate Ligament/pathology , Osteoarthritis, Knee , Knee Injuries/surgery , Follow-Up Studies , Magnetic Resonance Imaging , Osteoarthritis, Knee/classification , Range of Motion, Articular
10.
Rev. chil. radiol ; 17(1): 12-18, 2011. ilus
Article in Spanish | LILACS | ID: lil-603044

ABSTRACT

Magnetic resonance imaging (MRI) is currently the diagnostic method of choice for the evaluation of postsurgical complications of anterior cruciate ligament (ACL) reconstruction. For a proper interpretation of MR imaging sequences, it is necessary to take into account such factors as: time elapsed since surgery, type of graft used (autograft, allograft or synthetic materials), and presence of metallic devices, among others. To obtain optimal images, it is advisable to use T1-weighted sequences, to utilize the same technical parameters in pre- post-contrast images, and to avoid gradient-echo sequences. We describe the imaging aspects of various complications associated with the reconstruction of this ligament, such as rupture of the graft (assessed by direct and indirect signs), impingement of the graft, postoperative infections, formation of ganglion within the bone tunnels, anterior arthrofibrosis, and donor-site complications.


La resonancia magnética es en la actualidad el método diagnóstico de elección para la evaluación de las complicaciones postquirúrgicas de la reparación del ligamento cruzado anterior (LCA). Para la correcta interpretación de los estudios de imagen por RM es importante tomar en cuenta algunos factores como: tiempo transcurrido desde la cirugía, tipo de injerto (autoinjertos, aloinjertos o materiales sintéticos) y presencia de dispositivos metálicos, entre otros. Para obtener imágenes óptimas se prefiere utilizar secuencias potenciadas en T1, utilizar los mismos parámetros técnicos en las imágenes pre/post-contraste y evitar las imágenes con gradiente de eco. Se describen los aspectos imaginológicos de la diferentes complicaciones asociadas a la reparación de este ligamento: ruptura del injerto (valorada con signos directos e indirectos), pinzamiento del injerto, infecciones postoperatorias, formación de gangliones dentro de los túneles óseos, artrofibrosis anterior y complicaciones en la zona donante.


Subject(s)
Humans , Magnetic Resonance Imaging , Anterior Cruciate Ligament/surgery , Anterior Cruciate Ligament/pathology , Plastic Surgery Procedures/adverse effects , Postoperative Complications/diagnosis , Anterior Cruciate Ligament/injuries , Sensitivity and Specificity , Signs and Symptoms
11.
Rev. AMRIGS ; 54(2): 152-155, abr.-jun. 2010. tab
Article in Portuguese | LILACS | ID: lil-685600

ABSTRACT

Introdução: Lesões meniscais (LM) ocorrem habitualmente em pacientes que sofrem traumas rotacionais do joelho sob compressão. Elas podem ocorrer de forma isolada ou estar associadas a rupturas ligamentares e a patologias condrais. O objetivo deste estudo é o de comparar o valor do exame físico para diagnóstico das LMs em pacientes com e sem lesão do ligamento cruzado anterior (LCA). Métodos: 162 pacientes que seriam submetidos a videoartroscopia, por patologias intra-articulares do joelho, foram examinados previamente ao procedimento por 3 de 5 residentes treinados para realizar o conjunto de manobras para diagnóstico de LM (McMurray, Appley, Childress, Steinmann 1 e 2). Foi considerado positivo o exame físico meniscal quando um dos testes era positivo. Os pacientes foram divididos em 2 grupos com lesão do LCA (grupo A) e sem lesão do LCA (grupo B). Os achados cirúrgicos foram anotados e comparados aos achados do exame clínico. Toda lesão meniscal encontrada na artroscopia foi considerada como achado positivo. Em relação ao LCA, a ruptura desta estrutura foi considerada como achado positivo. Resultados: No grupo A, o conjunto de manobras para LM apontou 70% de sensibilidade, 48% de especificidade e 60% de acurácia, enquanto que no grupo B, este valor foi de 97%, 42% e 88%, respectivamente. Conclusão: No presente estudo, o exame físico para LM se mostrou mais eficiente na ausência de lesão do LCA. A presença de lesão do LCA diminuiu a acurácia do exame físico para as LMs


Introduction: Meniscal Injuries (MIs) commonly occur in patients suffering rotational trauma of the knee under compression. They can occur in isolation or be associated with ligament ruptures and chondral pathologies. The aim of this study is to compare the value of physical examination for diagnosis of MI in patients with and without injuries of the anterior cruciate ligament (ACL). Methods: 162 patients who were undergoing arthroscopy because of intraarticular knee pathologies were examined prior to the procedure by 3 of 5 residents trained to perform the set of maneuvers for diagnosis of MI (McMurray, Appley, Childress, Steinmann 1 and 2). The physical examination was considered positive when any of the tests was positive. The patients were divided into two groups with ACL injury (group A) and without ACL injury (group B). Surgical findings were recorded and compared with clinical examination findings. Every meniscal lesion found at arthroscopy was considered as a positive finding. Regarding LCA, the rupture of this structure was considered as a positive finding. Results: In group A, the set of maneuvers for MI showed 70% sensitivity, 48% specificity and 60% accuracy, while in group B, these figures were 97%, 42% and 88%, respectively. Conclusion: In this study, the physical examination for MI was more efficient in the absence of ACL injury. The presence of ACL injury decreased the accuracy of physical examination for MIs


Subject(s)
Physical Examination , Anterior Cruciate Ligament/physiopathology , Anterior Cruciate Ligament/injuries , Anterior Cruciate Ligament/pathology , Menisci, Tibial/injuries , Menisci, Tibial/pathology
12.
Acta ortop. bras ; 15(3): 171-173, 2007. ilus
Article in Portuguese | LILACS | ID: lil-460891

ABSTRACT

Trata-se de um relato de caso de tumor de células gigantes de bainha do ligamento cruzado anterior, uma localização extremamente rara para esse tipo de lesão. O paciente do sexo feminino apresentava dor no joelho, sem relato de trauma anterior. Foi submetido ao exame clínico, ao estudo radiográfico e de ressonância magnética da região. Feita a hipótese diagnóstica de TGC de Bainha, o paciente foi então tratado com ressecção artroscópica do tumor. O diagnóstico foi confirmado com exame anátomo-patológico. O paciente evoluiu bem, com melhora dos sintomas referidos no pré-operatório.


The author presents a case report of Tumor Giant Cells (TGC) localized on the anterior cruciate ligament sheath, an extremely rare site for this kind of lesion. A 37 y-o female patient presented with knee pain, with no history of previous trauma. She underwent clinical examination, X-ray study and magnetic resonance of the region. The diagnostic hypothesis of Sheath TGC was provided, and the patient was treated with tumor arthroscopy resection. Diagnosis was confirmed by anatomicopathological examination. By the end point assessment, none of the pre-operative symptoms were reported.


Subject(s)
Humans , Female , Adult , Arthroscopy , Giant Cell Tumors , Anterior Cruciate Ligament/pathology , Giant Cell Tumors/surgery , Magnetic Resonance Spectroscopy/methods , Knee/pathology , Anterior Cruciate Ligament
13.
Tunisie Medicale [La]. 2007; 85 (12): 1061-1068
in English | IMEMR | ID: emr-180212

ABSTRACT

Unknowlogement: Ganglion cysts have been reported in all joints, with varying frequency in location. A few cases have been described concerning ganglia of the anterior cruciate ligament [ACL] particularly intraligamentous cysts


Aim: The aim of the study is to report specific particularities of intraligamentous ganglion cyst of the ACL


Case: We report a new case of intraligamentous ganglion cyst of the anterior cruciate ligament treated successfully with arthroscopic aspiration followed by partial excision of the cyst wall after MRI examination. The MR findings, clinical features and arthroscopic findings were evaluated comparatively. Diagnosis was confirmed by means of histological study after arthroscopic excision. The cyst was fluid-filled, with low T1-weighted signal intensity and high T2- weighted signal intensity. Pain was the most frequent clinical sign without any history of trauma. Postarthroscopy outcome was painless. Histologic diagnosis corresponded to ganglion cyst


Conclusion: An intraligamentous ganglion cyst of the ACR is extremely rare and suggests some diagnostic and therapeutic particularities


Subject(s)
Adult , Humans , Male , Anterior Cruciate Ligament/pathology , Magnetic Resonance Imaging , Arthroscopy
14.
Acta ortop. bras ; 7(4): 152-8, out.-dez. 1999. ilus
Article in Portuguese | LILACS | ID: lil-268606

ABSTRACT

Os autores esturadam 14 pacientes, com idade entre 8 e 12 anos, portanto com o esqueleto imaturo, que tiveram lesäo na substância do ligamento cruzado anterior (LCA) do joelho. O tratamento cirúrgico foi instituído inicialmente em 6 pacientes com fise aberta a reconstruçäo do LCA foi feita utilizando o tendäo do músculo semitendíneo duplo, passado na tíbia através de um túnel fixado no fêmur over the top. Seis dos 8 pacientes com lesäo do ligamento cruzado anterior, tratados inicialmente, conservadoramente, tiveram resultado considerado D - muito anormal pelo IKDC. Todos os pacientes com as fises abertas, tratados cirurgicamente, apresentaram joelhos estáveis considerados A - normal pelo IKDC. Em nenhum caso houve sinal de epifisiodese precoce.


Subject(s)
Humans , Child , Anterior Cruciate Ligament/injuries , Anterior Cruciate Ligament/pathology , Anterior Cruciate Ligament/surgery , Bone Development , Knee/pathology
15.
Rev. argent. radiol ; 63(3): 161-7, jul.-sept. 1999. ilus
Article in Spanish | LILACS | ID: lil-248609

ABSTRACT

Los gangliones intraarticulares de rodilla son lesiones poco frecuentes y de etiología desconocida. El objetivo de nuestro trabajo fue realizar una revisión de los gangliones intrarticulares diagnosticados y evaluar sus características en RM, para lo cual examinamos en forma retrospectiva 2.011 RM de rodilla; 21 pacientes (11 varones y 10 mujeres), presentaron gangliones intraarticulares de rodilla, 7 localizados en el espacio graso infrapatelar de Hoffa, 8 asociados al LCP, 4 al LCA y 2 gangliones ubicados entre el LCA y el LCP no pudiendo establecer una asociación definitiva con uno u otro ligamento. En RM todos fueron: hipointensos en T1, isointensos en DP e hiperintensos en T2; 4 gangliones fueron confirmados por artroscopía y uno tuvo confirmación histológica. Concluimos que la prevalencia de los gangliones intraarticulares de rodilla es del 1,04 por ciento. A partir del advenimiento de la RM los gangliones intraarticulares se diagnostican con mayor frecuencia debido a su apariencia característica


Subject(s)
Humans , Male , Female , Adolescent , Adult , Middle Aged , Knee Joint , Cysts/diagnosis , Magnetic Resonance Imaging , Anterior Cruciate Ligament/pathology , Knee/pathology , Posterior Cruciate Ligament/pathology , Magnetic Resonance Spectroscopy
16.
Rev. Hosp. Clin. Fac. Med. Univ. Säo Paulo ; 54(2): 35-8, mar.-abr. 1999. ilus, tab
Article in English | LILACS | ID: lil-242085

ABSTRACT

O objetivo desse estudo foi avaliar o grupo muscular flexo-extensor do joelho de esportistas jovens que tiveram diagnostico de ruptura completa do ligamento cruzado anterior (LCA). Dezoito joelhos de 18 atletas (14 homens e 4 mulheres) com idade media de 21,6 anos (16-32) foram avaliados com aparelho isocinetico modelo Cybex 6000...


Subject(s)
Humans , Male , Female , Adolescent , Adult , Anterior Cruciate Ligament/pathology , Athletic Injuries , Kinetics , Sports , Tensile Strength
17.
Zagazig Medical Association Journal. 1991; 4 (1): 127-136
in English | IMEMR | ID: emr-22588

ABSTRACT

We have reviewed 20 patients after replacement of a ruptured anterior cruciate ligament with a free graft of the medial third of the patellar tendon, and fixing the graft with 2 screws and ligament washers. The average age of the patients at operation was 25.4 years; instability of the knee had been present for 1.5 to 5 years, and the mean follow-up was 2 years. The results, assessed on subjective stability were good in 15 patients, over half being able to return to their original sport, and fair in three. The technique of operation for free patellar tendon grafting is described in detail


Subject(s)
Anterior Cruciate Ligament/injuries , Patella , Tendons , Knee Injuries/therapy , Knee Injuries , Athletic Injuries , Anterior Cruciate Ligament/pathology
18.
Rev. colomb. ortop. traumatol ; 4(2): 165-75, jul. 1990. tab
Article in Spanish | LILACS | ID: lil-221782

ABSTRACT

We describes a surgical procedure for the replacement of the ANTERIOR CRUCIATE LIGAMENT of the canine knee from allografts ligaments that is being applied to a population of 12 dogs that incluyed two groups. The I Group is made up of 6 dogs that had a recent implant and the II Group of 6 dogs that had a replaced of the Anterior Cruciate Ligament of a tissues banking. Therefore, we decribes a technique for the storage and preservation of the tissue bank of Anterior Cruciate Ligaments allografts. This work was studied and followed during a period of one year and in the individual follow up of the dogs the oldest one had six months. The excellence of the resultas show the goodness of this surgical procedure to establish the good results do to the viability of the replacement for the I group in 84 por cent of the cases and for the II group in the 100 por cent of them


Subject(s)
Animals , Dogs , Anterior Cruciate Ligament/anatomy & histology , Anterior Cruciate Ligament/pathology , Anterior Cruciate Ligament/surgery , Transplantation, Homologous
19.
Bogota; s.n.; ago. 1984. 63 p. ilus, tab.
Non-conventional in Spanish | LILACS | ID: lil-134031

ABSTRACT

Se presentan los resultados obtenidos a largo termino (4 1/2 anos de seguimiento) en 25 rodillas tratadas para ruptura aguda del ligamento cruzado anterior por medio de reparo primario, segun tecnica de multiples suturas de U. Los resultados finales funcionales fueron buenos o excelentes en un 84 por ciento de los pacientes y, en igual porcentaje se logro una correccion satisfactoria del cajon anterior patologico. Se analizan igualmente, aspectos anatomicos pertinentes, escogencia de pacientes, tecnica quirurgica y metodo de evaluacion y seguimiento


Subject(s)
Adolescent , Adult , Humans , Male , Female , Anterior Cruciate Ligament/surgery , Knee Injuries , Postoperative Care , Anterior Cruciate Ligament/injuries , Anterior Cruciate Ligament/pathology , Evaluation Study , Knee Injuries/diagnosis , Knee Injuries/etiology , Knee Injuries/surgery
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