RESUMO
PURPOSE: Based on the tripod concept of load distribution, our study aimed to evaluate whether a slight extension of first metatarsal (M1) that may occur after the Lapidus procedure (LP) could alter the radiographic measurements of the hindfoot and influence clinical and functional outcomes. METHODS: Twenty-five patients (27 feet) were reviewed. Hindfoot radiographic analysis was based on seven measurements. Clinical and functional outcomes were evaluated with self-reported questionnaires. Transfer metatarsalgia was also assessed. Correlation analysis was performed according to variations of the studied variables. RESULTS: The average extension of the M1 was 4.26 degrees (p < 0.001). None of the hindfoot radiographic measurements changed significantly (p = 0.13, p = 0.50, p = 0.19, p = 0.70, p = 0.11, p = 0.36, p = 0.83). Patients improved on most questionnaires (p < 0.001). None presented transfer metatarsalgia. No correlation between M1 extension and clinical and functional outcomes was found. CONCLUSION: Possibly there is a tolerance of M1 extension in which it does not alter the radiographic measurements of the hindfoot, overload the lesser metatarsals, or compromise clinical and functional outcomes.
Assuntos
Hallux Valgus , Ossos do Metatarso , Metatarsalgia , Humanos , Ossos do Metatarso/diagnóstico por imagem , Ossos do Metatarso/cirurgia , Hallux Valgus/diagnóstico por imagem , Radiografia , Metatarsalgia/diagnóstico por imagem , Metatarsalgia/etiologia , Metatarsalgia/cirurgiaRESUMO
OBJECTIVE: The magnetic resonance imaging diagnostic criteria for a complete tear of metatarsophalangeal plantar plate are well-established. However, more subtle abnormalities can also occur and be a source of pain. The objective of this study is to determine the prevalence of degenerative plantar plate injuries in patients with metatarsalgia who underwent forefoot magnetic resonance imaging and describe the main abnormalities found. The hypothesis is that mild capsular fibrosis will have high sensitivity but low specificity for plantar plate degenerative injuries. METHODS: A retrospective cross-sectional study was conducted with 85 patients (105 feet) with metatarsalgia who underwent forefoot magnetic resonance imaging using a specific protocol to study metatarsophalangeal plantar plate. The experiment observer classified second toe plantar plate as normal, complete rupture or degenerative lesion and described the main magnetic resonance imaging findings. RESULTS: A normal plantar plate was observed in 75 (71.4%) of the 105 feet assessed, in 25 (24%) feet there were degenerative plantar lesions, and in 5 (4.6%) feet there were complete ruptures. Degenerative injury of the plantar plate was best identified in coronal short axis intermediate-weighted images, with high sensitivity (92%). Pericapsular fibrosis below the intermetatarsal ligament was identified in 96% of cases, with high sensitivity (96%) for diagnosis of degenerative plantar plate injury. CONCLUSION: Degenerative lesions of the metatarsophalangeal plantar plate were more prevalent than complete ruptures and were best viewed in coronal short axis intermediate-weighted sequences. Pericapsular fibrosis below the intermetatarsal ligament was the indirect finding most strongly associated with degenerative plantar plate injury.
Assuntos
Metatarsalgia , Placa Plantar , Estudos Transversais , Fibrose , Humanos , Imageamento por Ressonância Magnética , Espectroscopia de Ressonância Magnética , Metatarsalgia/diagnóstico por imagem , Placa Plantar/diagnóstico por imagem , Placa Plantar/lesões , Estudos Retrospectivos , RupturaRESUMO
Metatarsalgia is a common problem that refers to the tenderness and pain beneath the forefoot. Many metatarsal shortening osteotomies have been described to alleviate metatarsal overload; however, these osteotomies have been associated with a high complication rate of floating toe deformity. We present a case study that describes an innovative technique for the treatment of lesser metatarsalgia that allows for the repositioning of the metatarsal head, using a stable screw fixation designed to minimize the common complication of the floating toe.
Assuntos
Deformidades do Pé , Ossos do Metatarso , Metatarsalgia , Parafusos Ósseos , Humanos , Ossos do Metatarso/diagnóstico por imagem , Ossos do Metatarso/cirurgia , Metatarsalgia/diagnóstico por imagem , Metatarsalgia/etiologia , Metatarsalgia/cirurgia , OsteotomiaRESUMO
OBJECTIVE: The objective of our study was to assess the diagnostic performance and associations of the direct and indirect MRI features of the metatarsophalangeal (MTP) joint that are thought to be related to tears of the plantar plate (PP) using surgical findings as the reference standard. MATERIALS AND METHODS: We retrospectively included 23 patients with symptomatic instability of lesser MTP joints who had undergone preoperative 1.5-T MRI and surgical assessment. The MRI examinations were independently assessed by two musculoskeletal radiologists. Using the surgical data as the reference standard, we calculated the sensitivity, specificity, and accuracy of each MRI feature in the detection of PP tears. Multivariate logistic regression analysis was performed to identify which MRI features were independently associated with PP tears. Interobserver reliability was assessed using kappa statistics. RESULTS: Forty-five lesser MTP joints were included. The presence of pericapsular fibrosis was highly sensitive (91.2%), specific (90.9%), and accurate (91.1%) for the diagnosis of PP tears. With a cutoff value of 0.275 cm, the PP-proximal phalanx distance had a sensitivity of 64.7%, specificity of 90.9%, and accuracy of 71.1% in diagnosing PP tears. CONCLUSION: In patients with clinical features indicating lesser MTP joint instability, some direct and indirect MRI features exhibited good to excellent diagnostic performance in detecting the presence of PP tears.
Assuntos
Artropatias/diagnóstico por imagem , Imageamento por Ressonância Magnética/métodos , Metatarsalgia/diagnóstico por imagem , Articulação Metatarsofalângica/diagnóstico por imagem , Articulação Metatarsofalângica/lesões , Placa Plantar/diagnóstico por imagem , Placa Plantar/lesões , Adulto , Feminino , Humanos , Aumento da Imagem/métodos , Artropatias/cirurgia , Masculino , Metatarsalgia/cirurgia , Articulação Metatarsofalângica/cirurgia , Pessoa de Meia-Idade , Variações Dependentes do Observador , Placa Plantar/cirurgia , Estudos RetrospectivosRESUMO
Se reporta un caso de un neuroma de Morton en una paciente de 50 años con antecedente de metatarsalgia de un año de evolución que es evaluada por el servicio de Ortopedia y Traumatología solicitando ecografía por sospecha de neuroma de Morton. Se diagnostica la presencia de una formación nodular, sólida, hipoecogénica y de forma fusiforme en el tercer espacio interdigital del pie derecho. Se realiza tratamiento quirúrgico confirmando el diagnóstico por anatomía patológica...(AU)