Menisco discoideo medial bilateral sintomático tratado con remodelación meniscal artroscópica: caso clínico / Symptomatic bilateral medial discoid meniscus treated with arthroscopic meniscal remodeling: clinical case

El menisco discoideo medial es una entidad muy poco frecuente, con una incidencia reportada del 0,12 al 0,3%, aunque la incidencia real puede ser mayor ya que no siempre se manifiesta clínicamente. Al igual que el menisco discoideo lateral, el menisco discoideo medial es susceptible de degeneración meniscal, lo que puede derivar en síntomas mecánicos en edades tempranas. Se presenta el caso de un paciente varón de 14 años con dolor de ambas rodillas de inicio insidioso sin relación con traumatismo definido que tras estudio de resonancia es diagnosticado de menisco discoideo medial bilateral con degeneración intrasustancia. Debido a la presencia de síntomas mecánicos limitantes para actividades de la vida diaria y deportivas, se realiza remodelación meniscal primero de la rodilla derecha y, a los 3 meses, de la izquierda, con buenos resultados en el tiempo de seguimiento - 6 y 3 meses, respectivamente -, que permiten al paciente el retorno a las actividades deportivas sin restricciones

Medial discoid meniscus is a rare entity with a reported incidence of 0.12 to 0.3%, although the real incidence may be greater because not all the patients are symptomatic. Like lateral discoid menisci, medial discoid menisci are prone to degeneration that may prompt the presence of mechanical symptoms at early age. We present the case of a 14 year old male patient with bilateral knee symptoms of insidious onset without a traumatic event. Magnetic resonance revealed bilateral medial discoid menisci. Arthroscopic medial meniscus remodelling was performed in the right knee and, three months later, in the left knee, due to limitating mechanical symptoms. At the latest follow up - 6 months for the right knee, 3 months for the left knee -, the patient resumed his sports activities

Symptomatic bilateral medial discoid meniscus treated with arthroscopic meniscal remodeling: clinical case. / Menisco discoideo medial bilateral sintomático tratado con remodelación meniscal artroscópica: caso clínico.

Medial discoid meniscus is a rare entity with a reported incidence of 0.12 to 0.3%, although the real incidence may be greater because not all the patients are symptomatic. Like lateral discoid menisci, medial discoid menisci are prone to degeneration that may prompt the presence of mechanical symptoms at early age. We present the case of a 14 year old male patient with bilateral knee symptoms of insidious onset without a traumatic event. Magnetic resonance revealed bilateral medial discoid menisci. Arthroscopic medial meniscus remodelling was performed in the right knee and, three months later, in the left knee, due to limitating mechanical symptoms. At the latest follow up -6 months for the right knee, 3 months for the left knee-, the patient resumed his sports activities.

The low lumbar spine below Cotrel-Dubousset instrumentation: long-term findings.

STUDY DESIGN: Retrospective review of long instrumented fusions down to the low lumbar spine for the treatment of adolescent idiopathic scoliosis. OBJECTIVES: To evaluate whether the use of instrumentation systems that preserve the sagittal profile could reduce the incidence of early degenerative changes. SUMMARY OF BACKGROUND DATA: Long fusions and distractive Harrington instrumentation in the surgical treatment of adolescent idiopathic scoliosis (AIS) are known to produce pain and degenerative changes in the free lumbar segments. Reports on the use of Cotrel-Dubousett instrumentation (CDI) confirm that the instrumentation maintains physiologic lumbar lordosis, but the evolution of the spine below the fusion is not addressed. METHOD: Thirty-five patients with AIS and CDI were studied. Their spines were fused to L3 or lower, and they had a minimum follow-up of 10 years. Radiologic measurements were recorded from frontal and lateral radiographs. At the time of last examination, lateral flexion-extension dynamic radiographs and magnetic resonance imaging evaluated the health of the disks below the fusion. Clinical outcome was assessed with the Scoliosis Research Society instrument. A control group consisting of 35 peers without scoliosis served as a reference for the outcome questionnaire. RESULTS: Surgery kept the sagittal profile in a physiologic range. All but two patients were satisfied with the results of surgery. There were no differences between patients and control group insofar as pain, self-image, general function, and daily activity were concerned. Eleven patients showed instability signs in dynamic radiographs and more than half of patients showed incipient degeneration on magnetic resonance images. These findings are similar to those found in the general population, according to the literature, and could evidence normal aging processes. CONCLUSIONS: Cotrel-Dubousset instrumentation maintains the physiologic sagittal contour. Although there are some degenerative changes in magnetic resonance images and dynamic radiographs, the quality of life and daily activities of the patients after surgery are similar to those of a normal population of the same age.