scholarly journals Tarsal Bone

2020 ◽  
Author(s):  
Keyword(s):  
Tarsal Bone

Radiographic method for evaluation of tarsus morphometry

2019 ◽  
Vol 15 (5) ◽  
pp. 339-348
Author(s):  
Z. Akbar ◽  
O.A. Al-Juhaishi ◽  
T.A.O. Olusa ◽  
H.M.S. Davies
Keyword(s):  
Contact Point ◽  
Intraclass Correlation ◽  
Correlation Coefficients ◽  
Tarsal Bone ◽  
Intraclass Correlation Coefficients ◽  
Hind Limbs ◽  
Radiological Data ◽  
Common Area ◽  
Zero Degree ◽  
Consistent Method

The equine tarsus is the most common area of the hind limb associated with lameness. Tarsal function is probably directly related to its conformation. Previous conformational measurement methods and radiological data are either limited or too specific to explain the complex tarsus conformation in different loading conditions. This study aimed to develop a consistent method to evaluate equine tarsal conformation from lateromedial radiographs. Twenty cadaveric hind limbs from 15 adult horses of different breeds were cut at the distal one third of the tibia. Hind limbs mounted in a loading rig and positioned with the metatarsus vertical were digitally radiographed. The zero-degree lateromedial (ZLM) was defined by vertical and horizontal landmarks including overlapping of the lateral and medial trochlea of the talus and a contact point between the dorsal edges of lateral and medial borders of the distal central tarsal bone. Radiographs missing these features were retaken to achieve consistent ZLM views. Specific radiographic features were selected as landmarks to develop tarsal parameters based on their clarity and their being consistently identifiable. The intra-rater repeatability of ten measurable morphometric parameters was evaluated with each radiograph measured twice with an interval of at least one month and Bland-Altman plots developed from this data. Repeat measurements did not differ significantly (Intraclass correlation coefficients (ICC) ranged from 0.731-0.966). This study provides a base for evaluation of the tarsal conformation by radiography.

scholarly journals Calcaneonavicular coalition resection

2020 ◽  
Vol 14 (3) ◽  
pp. 297-300
Author(s):  
Mercedes Juncay ◽  
Rafael Sposeto ◽  
Alexandre Godoy-Santos ◽  
Túlio Fernandes
Keyword(s):  
Surgical Treatment ◽  
Surgical Technique ◽  
Conservative Treatment ◽  
Treatment Option ◽  
Expert Opinion ◽  
Tarsal Bone ◽  
Tarsal Coalition ◽  
Level Of Evidence ◽  
Calcaneonavicular Coalition ◽  
Tarsal Bones

Tarsal coalition is an abnormal connection between tarsal bones, caused by an embryogenic failure. Its most common forms are calcaneonavicular and talocalcaneal coalition, which are present in 53% and 37% of the cases, respectively. The onset of symptoms is related to tarsal bone ossification, and mean age for this event is estimated at 16 years for calcaneonavicular coalition. Surgical treatment is indicated for patients who did not improve symptoms with conservative treatment. The aim of this study is to present a surgical technique as a treatment option for resection of calcaneonavicular coalition associated with abnormal cuboid-navicular joint. Level of Evidence V; Therapeutic Studies; Expert Opinion.

DeltaEF1, a zinc finger and homeodomain transcription factor, is required for skeleton patterning in multiple lineages

Development ◽  
1998 ◽  
Vol 125 (1) ◽  
pp. 21-31 ◽  
Author(s):  
T. Takagi ◽  
H. Moribe ◽  
H. Kondoh ◽  
Y. Higashi
Keyword(s):  
Neural Crest ◽  
Zinc Finger ◽  
Intervertebral Discs ◽  
Regulatory Function ◽  
Craniofacial Abnormalities ◽  
Tarsal Bone ◽  
Skeletal Defects ◽  
Neural Crest Origin ◽  
Brain And Spinal Cord ◽  
The Brain

DeltaEF1 is a DNA binding protein containing a homeodomain and two zinc finger clusters, and is regarded as a vertebrate homologue of zfh-1 (zinc finger homeodomain-containing factor-1) in Drosophila. In the developing embryo, deltaEF1 is expressed in the notochord, somites, limb, neural crest derivatives and a few restricted sites of the brain and spinal cord. To elucidate the regulatory function of deltaEF1 in mouse embryogenesis, we generated deltaEF1 null mutant (deltaEF1null(lacZ)) mice. The deltaEF1null(lacZ) homozygotes developed to term, but never survived postnatally. In addition to severe T cell deficiency of the thymus, the deltaEF1null(lacZ) homozygotes exhibited skeletal defects of various lineages. (1) Craniofacial abnormalities of neural crest origin: cleft palate, hyperplasia of Meckel's cartilage, dysplasia of nasal septum and shortened mandible. (2) Limb defects: shortening and broadening of long bones, fusion of carpal/tarsal bone and fusion of joints. (3) Fusion of ribs. (4) Sternum defects: split and asymmetric ossification pattern of the sternebrae associated with irregular sternocostal junctions. (5) Hypoplasia of intervertebral discs. These results indicate that deltaEF1 has an essential role in regulating development of these skeletal structures. Since the skeletal defects were not observed in deltaEF1deltaC727 mice, deltaEF1 bears distinct regulatory activities which are dependent on different domains of the molecule.

scholarly journals Radiographic Recognition of Tarsal Malformation in 8- to 9-Week-Old Bernese Mountain Dogs

2020 ◽  
Vol 33 (06) ◽  
pp. 451-456
Author(s):  
Massimo Petazzoni ◽  
Francesca Briotti ◽  
Carlo M. Mortellaro ◽  
Randy J. Boudrieau
Keyword(s):  
Clinical Significance ◽  
Incidental Finding ◽  
Tarsal Bone ◽  
Skeletal Malformation ◽  
Medial Side ◽  
Clinically Normal ◽  
Metatarsal Bones ◽  
Ectopic Bone ◽  
Second Metatarsal ◽  
A Prospective Study

Abstract Introduction Tarsal malformation is a skeletal malformation of unknown aetiology associated with a variety of morphologic changes to the tarsal and metatarsal bones of the dog. Objective The aim of this study was to determine if early diagnosis and prevalence of tarsal malformation could be obtained at approximately 8 to 9 weeks of age in multiple litters of Bernese Mountain dogs. Methods A prospective study of 51 Bernese Mountain dog puppies were evaluated from 12 litters in northern Italy. Dorsoplantar radiographic views of the tarsus were obtained at 60 ± 5 days of age. Tarsal malformation was defined as an abnormal extension of the central tarsal bone on its medial side, or the presence of ectopic bone located medially to the central tarsal bone, talus and second metatarsal bones (proximomedial, distomedial and metatarsal ossification sites respectively). Results All puppies were found to be clinically normal. Thirty-nine of the 51 puppies showed ossification sites medial to the tarsus as defined. A metatarsal ossification was present in all dogs with either a proximo- or distomedial ossification site. No central tarsal bone extensions were observed. The remainder of the tarsometatarsal joints were normal. Clinical Significance Tarsal malformation can be identified in the 8- to 9-week-old Bernese Mountain dog. The clinical significance of tarsal malformation remains to be determined, either as an incidental finding or a precursor to the development of other clinically relevant and related issues in the tarsus.

Tarsal fractures: part 2

2020 ◽  
Vol 25 (3) ◽  
pp. 1-8
Author(s):  
Karen Lisette Perry
Keyword(s):  
Bone Fractures ◽  
Small Animal ◽  
Positive Outcome ◽  
Good Prognosis ◽  
Tarsal Bone ◽  
Calcaneal Fractures ◽  
Joint Preservation ◽  
Malleolar Fractures ◽  
Tarsal Bones ◽  
Realistic Goal

Both calcaneal and central tarsal bone fractures are commonly encountered in the racing greyhound. While isolated fractures of the numbered tarsal bones are uncommon, malleolar fractures are encountered frequently in small animal practice. Fractures of the central tarsal bone or calcaneal fractures in both dogs and cats may be either fatigue or stress fractures, or associated with Knees and Teeth Syndrome, which may alter the typically expected presentation and prompt assessment for additional fractures, both in the tarsus and elsewhere. Surgical stabilisation is often the treatment of choice, particularly for fractures with an articular component. In many cases, surgical stabilisation leads to a positive outcome, with Greyhounds often being able to return to racing. However, it is important to be aware that fractures in non-racing dogs tend to be more complex and that this good prognosis may not be appropriate to extrapolate. Depending on the nature and severity of injuries, joint preservation may not always be a realistic goal. If the joint cannot be preserved, arthrodesis may become necessary.

Reliability of tarsal bone segmentation and its contribution to MR kinematic analysis methods

2007 ◽  
Vol 31 (7) ◽  
pp. 523-530 ◽  
Author(s):  
P. Wolf ◽  
R. Luechinger ◽  
A. Stacoff ◽  
P. Boesiger ◽  
E. Stuessi
Keyword(s):  
Kinematic Analysis ◽  
Bone Segmentation ◽  
Tarsal Bone ◽  
Analysis Methods

Computed tomography assisted repair of a central tarsal bone slab fracture in a horse

2008 ◽  
Vol 20 (6) ◽  
pp. 284-287 ◽  
Author(s):  
G. Kelmer ◽  
D. A. Wilson ◽  
S. C. Essman
Keyword(s):  
Computed Tomography ◽  
Tarsal Bone

A Case of Tarsal Bone Tuberculosis in a Patient with Polycythemia Vera

2009 ◽  
Vol 26 (1) ◽  
pp. 44
Author(s):  
Sung-Ae Koh ◽  
Se-Hun Shon ◽  
Dong-Gun Kim ◽  
Sung-Woo Park ◽  
Choong-Ki Lee ◽  
...  
Keyword(s):  
Polycythemia Vera ◽  
Tarsal Bone ◽  
Bone Tuberculosis
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