Type I dorsal dislocation of the first metatarsophalangeal joint. A case report

1985 ◽  
Vol 75 (4) ◽  
pp. 215-217 ◽  
Author(s):  
R Sage ◽  
PW Holloway
Keyword(s):  
Case Report ◽  
Metatarsophalangeal Joint ◽  
Type I ◽  
First Metatarsophalangeal Joint

scholarly journals Classification of Hallucal Sesamoid Bone Correlated with Hallux Valgus Severity

2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
Lei Zhang ◽  
Junqiu Wang ◽  
Jiaju Liu ◽  
Jiangqin Luo
Keyword(s):  
Hallux Valgus ◽  
Statistical Difference ◽  
Three Dimensional ◽  
Morphological Characteristics ◽  
Metatarsophalangeal Joint ◽  
Metatarsal Head ◽  
Type I ◽  
Sesamoid Bone ◽  
First Metatarsophalangeal Joint

The hallucal sesamoid bones (HSBs), having an important role in reducing load per unit area on the first metatarsal head, can be injured commonly which also affected the first metatarsophalangeal joint and the surrounding structure. Meanwhile, differences among each HSB type may be a major factor affecting the occurrence and development of HV. So far, many researchers had learned that there are three different conditions in hallucal sesamoid bone affecting the choice of clinical surgery corresponding to different solutions in clinic. Thus, it is necessary to study the anatomical morphological characteristics of the HSB which can be helpful in clinical diagnosis and treatment, especially hallux valgus (HV). 150 X-ray and three-dimensional (3D) computed tomographic (CT) images consist of 72 left and 78 right metatarsals were applied in this anatomic study between two variables and showed by a simple scatter plot. The first metatarsophalangeal joint is divided into four different types: type I (no HSB, 1.3%), type II (with one HSB, 0.07%), type IIIa (with two HSBs when THB is bigger, 28%), type IIIb (with two HSBs when FHB is bigger, 65.3%), and type IV (with three HSBs, 4.7%). There was no statistical difference between the left and right sides, except HVA, Meary, and pitch (P<0.05); all a, b, c, d, and i have statistical difference between male and female (P<0.05). Meanwhile, HVA and IMA and HVA and type group have a significant correlation. In summary, HVA and IMA and HVA and classification of HSBs have significant correlations. The classification and location of HSBs can be an important basis to choose operation methods and postoperation evaluation.

scholarly journals A neglected plantar dislocation of first metatarsophalangeal joint: a case report

2004 ◽  
Vol 10 (4) ◽  
pp. 227-230 ◽  
Author(s):  
Sezgin Sarban ◽  
Orhan Erol ◽  
Mithat Yazar ◽  
Ugur E. Isikan
Keyword(s):  
Case Report ◽  
Metatarsophalangeal Joint ◽  
First Metatarsophalangeal Joint ◽  
Plantar Dislocation

Bizarre Parosteal Osteochondromatous Proliferation (Nora's Lesion) of the Sesamoid: a Case Report

2000 ◽  
Vol 21 (5) ◽  
pp. 408-412 ◽  
Author(s):  
J.A. Harty ◽  
P. Kelly ◽  
D. Niall ◽  
J.C. O'Keane ◽  
M.M. Stephens
Keyword(s):  
Case Report ◽  
Magnetic Resonance ◽  
Metatarsophalangeal Joint ◽  
Magnetic Resonance Images ◽  
Parosteal Osteosarcoma ◽  
Bizarre Parosteal Osteochondromatous Proliferation ◽  
First Metatarsophalangeal Joint ◽  
Histological Features ◽  
Nora’S Lesion ◽  
Plantar Aspect

We report the a case of Nora's lesion (Bizarre Parosteal Osteochondromatous Proliferation) of the sesamoid. A 32-year-old woman presented with a painless, enlarging mass of two years duration on the plantar aspect of the first metatarsophalangeal joint of the left foot. Radiographs, Computerized Tomographs and Magnetic Resonance images, initially suggested a parosteal osteosarcoma arising from the tibial sesamoid. The mass was excised, and a histological diagnosis of Bizarre Parosteal Osteochondromatous Proliferation of bone (Nora's lesion) was made. The aggressive growth of this lesion may suggest a neoplasm clinically. Histological features, however, are those of a reactive lesion.

Pathomechanics of Hallux Valgus: Biomechanical and Immunohistochemical Study

2005 ◽  
Vol 26 (9) ◽  
pp. 732-738 ◽  
Author(s):  
Eiichi Uchiyama ◽  
Harold B. Kitaoka ◽  
Zong-Ping Luo ◽  
Joseph P. Grande ◽  
Hideji Kura ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Hallux Valgus ◽  
Tensile Modulus ◽  
Metatarsophalangeal Joint ◽  
Collagen Fibers ◽  
Collagen I ◽  
Type Iii Collagen ◽  
Type I ◽  
First Metatarsophalangeal Joint ◽  
Collagen Iii

Background: One factor believed to contribute to the development of hallux valgus is an abnormality in collagen structure and makeup of the medial collateral ligament (MCL) of the first metatarsophalangeal joint (MTPJ). We hypothesized that the mechanical properties of the MCL in feet with hallux valgus are significantly different from those in normal feet and that these differences may be related to alterations in the type or distribution of collagen fibers at the interface between the MCL and the bone. Materials and Methods: Seven normal fresh-frozen cadaver feet were compared to four cadaver feet that had hallux valgus deformities. The MCL mechanical properties, structure of collagen fibers, and content proportion of type I and type III collagen were determined. Results: The load-deformation and stress-strain curves were curvilinear with three regions: laxity, toe, and linear regions. Laxity of the MCL in feet with hallux valgus was significantly larger than that of normal feet ( p = 0.022). Stiffness and tensile modulus in the toe region in feet with hallux valgus were significantly smaller than those in normal feet ( p = 0.004); however, stiffness and tensile modulus in the linear region were not significantly different. The MCL collagen fibrils in the feet with hallux valgus had a more wavy distribution than the fibrils in the normal feet. Conclusions: In general, strong staining for collagen III and to a lesser extent, collagen I was observed at the interface between the MCL and bone in the feet with hallux valgus but not in the normal feet. These results indicate that the abnormal mechanical properties of the MCL in feet with hallux valgus may be related to differences in the organization of collagen I and collagen III fibrils.

Lateral Dislocation of the First Metatarsophalangeal Joint: A Case Report

2008 ◽  
Vol 21 (4) ◽  
pp. 312 ◽  
Author(s):  
Yeong-Sik Yun ◽  
Young-Mo Kim ◽  
Kyung-Cheon Kim ◽  
Pil-Sung Kim
Keyword(s):  
Case Report ◽  
Metatarsophalangeal Joint ◽  
First Metatarsophalangeal Joint ◽  
Lateral Dislocation

scholarly journals Neglected dorsolateral dislocation of the first metatarsophalangeal joint: A case report

2017 ◽  
Vol 34 ◽  
pp. 43-48 ◽  
Author(s):  
Omar A. Al-Mohrej ◽  
Abdulrahman A. AlOmair ◽  
Yara A. Alfehaid ◽  
Abubaker A. Alsumali ◽  
Nader S. Al-Kenani
Keyword(s):  
Case Report ◽  
Metatarsophalangeal Joint ◽  
First Metatarsophalangeal Joint
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