Entire Posterior Process Talus Fracture: A Report of Two Cases

2012 ◽  
Vol 51 (3) ◽  
pp. 326-329 ◽  
Author(s):  
Saeed Reza Mehrpour ◽  
Mohamad Reza Aghamirsalim ◽  
Mahlisha Kazemi Sheshvan ◽  
Reza Sorbi
Keyword(s):  
Talus Fracture ◽  
Posterior Process

Fracture of the Entire Posterior Process of Talus Associated with Subtalar Dislocation: A Case Report

1996 ◽  
Vol 17 (4) ◽  
pp. 226-229 ◽  
Author(s):  
Yeung-Jen Chen ◽  
Robert Wen-Wei Hsu ◽  
Hsin-Nung Shih ◽  
Tsung-Jen Huang
Keyword(s):  
Case Report ◽  
Closed Reduction ◽  
Subtalar Joint ◽  
Traffic Accident ◽  
Talus Fracture ◽  
Posterior Portion ◽  
Subtalar Dislocation ◽  
Posterior Process ◽  
And Inversion

This is a case report of a 52-year-old woman who sustained a medial subtalar dislocation with fracture of the posterior process of the talus in a traffic accident. After closed reduction of the subtalar dislocation, tomography demonstrated that the talus fracture involved the entire posterior process and the posterior portion of the talar body. The fracture of the talus was treated with an open reduction and miniscrew fixation. At follow-up examination 32 months later, the functional and radiographic results were graded as good. The proposed mechanism of this case was a forced plantarflexion and inversion acting simultaneously on the subtalar joint. This was different from an isolated medial subtalar dislocation, which was caused by an inversion.

scholarly journals Ligaments of the os trigonum: an anatomical study

2021 ◽  
Author(s):  
Paweł Szaro ◽  
Khaldun Ghali Gataa ◽  
Mateusz Polaczek
Keyword(s):  
Posterior Part ◽  
Anatomical Study ◽  
Control Group ◽  
Flexor Hallucis Longus ◽  
Resonance Imaging ◽  
Os Trigonum ◽  
Posterior Process ◽  
Magnetic Resonance Imaging Mri ◽  
Experimental Group ◽  
Posterior Talofibular Ligament

Abstract Purpose The aim of the study was to examine the ligaments of the os trigonum. Methods The ankle joint magnetic resonance imaging (MRI) of 104 patients with the os trigonum (experimental group) and 104 patients without the os trigonum (control group) were re-reviewed. The connections of the os trigonum and posterior talofibular ligament (PTFL), the fibulotalocalcaneal ligament (FTCL), the paratenon of the Achilles tendon, the posterior talocalcaneal ligament (PTCL), the osteofibrous tunnel of the flexor hallucis longus (OF-FHL) and the flexor retinaculum (FR) were studied. Results The os trigonum is connected to structures. The posterior part of the PTFL inserted on the os trigonum in 85.6% of patients, whereas in all patients in the control group, the posterior part of the PTFL inserted on the posterior talar process (p < 0.05). The connection of the PTCL was seen in 94.2% of patients in the experimental group, while it was seen in 90.4% of patients in the control group (p > 0.05). The connection to the FTCL in the experimental group was 89.4%, while in the control group, it was 91.3% (p > 0.05). The communication with the paratenon was seen more often in the control group compared to that in the experimental group (31.7% vs. 63.8%, p < 0.001). The FTCL was prolonged medially into the FR in 85.6% of patients in the experimental group and in 87.5% of patients in the control group (p > 0.05). The flexor hallucis longus (FHL) run at the level of articulation between the os trigonum 63.5% and the posterior process of the talus 25% and less often on the os trigonum 11.5%. Conclusion The os trigonum is connected with all posterior ankle structures and more connections than previously reported.

scholarly journals Quantification and Comparison of Talar Exposure Utilizing a Posteromedial Approach and Medial Malleolar Osteotomy

2021 ◽  
Vol 6 (2) ◽  
pp. 247301142110126
Author(s):  
Jeffrey Donahue ◽  
Ademola Shofoluwe ◽  
Kurt Krautmann ◽  
Emilio Grau-Cruz ◽  
Stephen Becher ◽  
...  
Keyword(s):  
Surface Area ◽  
Digital Image ◽  
National Institutes Of Health ◽  
Level Of Evidence ◽  
Posterior Process ◽  
Medial Malleolar Osteotomy ◽  
Fresh Frozen ◽  
Average Quantity ◽  
Operative Fixation ◽  
Imagej Software

Background: Fractures of the talus are a rare but challenging injury. This study sought to quantify the area of osseous exposure afforded by a posteromedial approach to the talus and medial malleolar osteotomy. Methods: Five fresh-frozen cadaveric lower extremities were dissected using a posteromedial approach and medial malleolar osteotomy respectively. Following exposure, the talar surfaces directedly visualized were marked and captured using a calibrated digital image. The digital images were then analyzed using ImageJ software (National Institutes of Health) to calculate the surface area of the exposure. Results: The average square area of talus exposed using the posteromedial approach was 9.70 cm2 (SD = 2.20, range 7.20-12.46). The average quantity of talar exposure expressed as a percentage was 9% (SD = 1.58, range 7.03-10.40). The average square area of talus exposed using a medial malleolar osteotomy was 14.32 cm2 (SD = 2.00, range 11.26-16.66). The average quantity of talar exposure expressed as a percentage was 12.94% (SD = 1.79, range 9.97-14.73). The posteromedial approach provided superior visualization of the posterior talus, whereas the medial malleolar osteotomy offered greater access to the medial body. Conclusion: The posteromedial approach and medial malleolar osteotomy allow for significant exposure of the talus, yielding 9.70 and 14.32 cm2, respectively. Given the differing portions of the talus exposed, surgeons may prefer to use the posteromedial approach for operative fixation of posterior process fractures and elect to use a medial malleolar osteotomy in cases requiring more extensive medial and distal exposure for neck or neck/body fractures. Level of Evidence: Level IV.

Surgical treatment of lateral and posterior process fractures of the talus: Mid-term results of 15 cases after 7 years

2020 ◽  
Vol 26 (1) ◽  
pp. 71-77 ◽  
Author(s):  
Dominik von Winning ◽  
Roland Lippisch ◽  
Gerald Pliske ◽  
Daniela Adolf ◽  
Felix Walcher ◽  
...  
Keyword(s):  
Surgical Treatment ◽  
Posterior Process ◽  
Mid Term Results

scholarly journals The identity of Pseudomystus moeschii (Boulenger, 1890), with the description of two new species of bagrid catfishes from Southeast Asia (Teleostei: Bagridae)

Zootaxa ◽  
2005 ◽  
Vol 851 (1) ◽  
pp. 1 ◽  
Author(s):  
HEOK HEE NG ◽  
KELVIN K.P. LIM
Keyword(s):  
New Species ◽  
Southeast Asia ◽  
Peninsular Malaysia ◽  
The Other ◽  
River Drainage ◽  
Posterior Process ◽  
Two New Species ◽  
The Way

The identity of the poorly known bagrid catfish Pseudomystus moeschii (Boulenger, 1890) is clarified and the species redescribed. Two new species of closely related bagrid catfishes are also described: Pseudomystus carnosus from the Way Seputih River drainage in the province of Lampung in the southern tip of Sumatra, and P. fumosus from the Pahang River drainage in eastern Peninsular Malaysia. Pseudomystus carnosus, P. fumosus and P. moeschii can be distinguished from congeners in having an enlarged posterior process of the post-temporal, presence of long hair-like epithelial projections on the skin and long tubular extensions of the sensory pores. Pseudomystus carnosus differs from the other two species in having a pointed (vs. rounded) tip of the nuchal shield, while P. fumosus differs from the other two species in having very well developed procurrent caudal rays which are sinuously curved along the anterior edges (vs. less developed procurrent caudal rays that slope evenly along the edges). A lectotype is designated for P. moeschii.

scholarly journals An apparently non-swinging tentorium in the Diplopoda (Myriapoda): comparative morphology of the tentorial complex in giant pill-millipedes (Sphaerotheriida)

ZooKeys ◽  
2018 ◽  
Vol 741 ◽  
pp. 77-91 ◽  
Author(s):  
Leif Moritz ◽  
Thomas Wesener ◽  
Markus Koch
Keyword(s):  
Computed Tomography ◽  
Comparative Morphology ◽  
Head Size ◽  
Micro Computed Tomography ◽  
Posterior Process ◽  
Large Head

The presence of a swinging tentorium is a key apomorphy of Myriapoda, but this character has been studied in detail in only few species. Here the tentorium, i.e., the peristomatic skeleton of the preoral chamber, is comparatively studied in three species of the millipede order Sphaerotheriida Brandt, 1833. Since dissections of the fragile tentorial components proved to be difficult, despite the large head size, they were analysed mainly in situ via micro-computed tomography. Our results confirm previous observations of large differences in the tentorial construction in the giant pill-millipedes compared to chilognathan diplopods. The tentorium of Sphaerotheriida consists of a curved, plate-like epipharyngeal bar with distal projections, an elongate and thin hypopharyngeal bar, and a plate-like triangular posterior process; a transverse bar is absent. Only seven muscles attach at the tentorium in giant pill-millipedes, including two antennal muscles and two muscles of the gnathochilarium. Within the order Sphaerotheriida, the composition of the tentorium and its muscular equipment seems to be conserved, except for some variability in the shape of the epipharyngeal bar. As the transverse bar has been considered essential for the mobility of the tentorium in myriapods, its absence in Sphaerotheriida may indicate that their tentorium is not capable of performing a swing. Loss of tentorial mobility may also pertain to the order Glomerida Brandt, 1833, inferred here from the absence of a posterior process. An apparently immobile tentorium in Glomerida and Sphaerotheriida can straightforwardly be correlated with transformations of the head related to their ability of volvation. The different transformations of the tentorium, here hypothesised to cause immobility, may support current assumptions that the ability of volvation evolved convergently in Glomerida and Sphaerotheriida. This conclusion, however, still requires more detailed studies of the head anatomy in Glomerida and Glomeridesmida Cook, 1895.

Ipsilateral Fractures of the Talus and Calcaneus

1996 ◽  
Vol 17 (11) ◽  
pp. 701-705 ◽  
Author(s):  
Paul Gregory ◽  
Thomas DiPasquale ◽  
Dolfi Herscovici ◽  
Roy Sanders
Keyword(s):  
Standard Treatment ◽  
Talus Fracture ◽  
Treatment Regimens ◽  
Combined Injury ◽  
Joint Surfaces ◽  
Articular Damage ◽  
Talar Fractures ◽  
Level I ◽  
Both Bones

Nine ipsilateral fractures of the talus and calcaneus were treated at Tampa General Hospital between 1991 and 1994 and entered into the trauma registry of this level I trauma center. During this same period, a total of 78 talar fractures and 334 calcaneal fractures were entered into the registry. The patients who sustained this rare combined injury were studied retrospectively to characterize the fractures that occurred, examine the treatments instituted, and determine outcomes. Four patients had severe intra-articular damage of the subtalar joint surfaces and underwent either primary or delayed arthrodesis. This subgroup of patients was followed for an average of 39 months (range, 25–45 months), and all had excellent or good outcome as assessed by the Maryland Foot Score. Three patients had nondisplaced or avulsion-type fractures of both bones, which were treated with immobilization. These all healed well. One patient had a Hawkins type 2 talus fracture with an extra-articular avulsion fracture of the Achilles tendon. This patient did well with open reduction and internal fixation of both fractures. The final patient had a crushed lower extremity in association with her hindfoot injury, which resulted in primary below-knee amputation. In general, we believe each individual fracture in this combined injury can be addressed with standard treatment regimens.

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