BACKGROUND Total talar dislocation (TTD) is very uncommon for many orthopedic surgeons and emergency/trauma specialists. Scarce cases of TTD have been reported, mainly in the form of open fracture-dislocation injury. ...BACKGROUND Total talar dislocation (TTD) is very uncommon for many orthopedic surgeons and emergency/trauma specialists. Scarce cases of TTD have been reported, mainly in the form of open fracture-dislocation injury. CASE SUMMARY We report a very rare injury of closed TTD with a follow-up period of 36 mo. Initial closed reduction was not successful because of a fractured highly unstable medial malleolus displaced into the ankle mortise, blocking the relocation of the talus. The patient was able to walk pain-free after the 3rd month of surgery. At the 36-mo follow-up, there were 10 degrees of flexion loss and 10 degrees of extension loss in the tibiotalar joint. Furthermore, 5 degrees of subtalar joint inversion-eversion loss was present. CONCLUSION Open reduction should be performed for closed TTDs unless closed reduction is successful.展开更多
BACKGROUND Giant cell tumors(GCT)are most commonly seen in the distal femur.These tumors are uncommon in the small bones of the hand and feet,and a very few cases have been reported.A giant cell tumor of the talus is ...BACKGROUND Giant cell tumors(GCT)are most commonly seen in the distal femur.These tumors are uncommon in the small bones of the hand and feet,and a very few cases have been reported.A giant cell tumor of the talus is rarely seen clinically and could be a challenge to physicians.CASE SUMMARY We report a rare case of GCT of the talus in one patient who underwent a new reconstructive surgery technique using a three-dimensional(3D)printing talar prosthesis.The prosthesis shape was designed by tomographic image processing and segmentation using technology to match the intact side by mirror symmetry with 3D post-processing technologies.The patient recovered nearly full range of motion of the ankle after 6 mo.The visual analogue scale and American Orthopaedic Foot and Ankle Society scores were 1 and 89 points,respectively.CONCLUSION We demonstrated that 3D printing of a talar prosthesis is a beneficial option for GCT of the talus.展开更多
Perch sweeper fish with scientific name Cobitis taenia is one of the Cobitidae family. Since this kind of fish lives in clean waters and in the high areas of Talar River, it can be an index on water implution. This su...Perch sweeper fish with scientific name Cobitis taenia is one of the Cobitidae family. Since this kind of fish lives in clean waters and in the high areas of Talar River, it can be an index on water implution. This survey on the diet of this specimen is done on two stations （Kaselian and Tajoon） and shallow and high areas of Talar River in Mazandaran （Southern part of Caspian sea） and the duration of this survey is from October 2008 till September 2009. We should mention that fishing was just done by electro-shocker with voltage 300 V. And this fish after fishing is fixation in 10% formalin solution. So 410 perch sweeper fish were examined and the average of relatively length of gut （RLG） was 17.35 cm. The index of vacated intestine （VI） was calculated 43.35% for all samples. From intense of diet points of view （GSI）, the most frequency of full intestines was considered in summer and spring. On the other hand, the smallness of relatively length of gut index （RLG 〈 1） shows that perch sweeper fish＇s diet manner is inclined to herbivority. In the examination of containing of digestive track, overally 10 kinds of foodstuff were known. Based on amount of this index, 2.67% Chironomidae is known as main bait in all sampling period.展开更多
In our case,3D printing was used to fabricate a custom-made titanium alloy total talar prosthesis as a mirror image of the contralateral healthy talus for a 16-year-old girl who underwent right talar resection for a r...In our case,3D printing was used to fabricate a custom-made titanium alloy total talar prosthesis as a mirror image of the contralateral healthy talus for a 16-year-old girl who underwent right talar resection for a recurrent giant cell tumour(GCT)of the talus.A porous surface was used over the neck and tail of the talus prosthesis to promote soft tissue attachment and improve the stability of the prosthesis.Pre-drilled medial and lateral holes were prepared for ligament repair and attachment.Eighteen months after the operation,there was no tumour recurrence,and the patient walked without symptoms.The Musculoskeletal Tumour Society score was 22/30,the American Orthopaedic Foot and Ankle Society score was 88/100,and the prosthesis was well positioned on radiographs.The short-and medium-term outcomes indicated that 3D-printed modular talar prostheses could be an effective treatment option.展开更多
Talar extrusions are the rare extreme case of talar fractures and dislocations which are associated with high-energy trauma.Given the rarity of talar extrusion,no proper treatment protocol has been established.The ear...Talar extrusions are the rare extreme case of talar fractures and dislocations which are associated with high-energy trauma.Given the rarity of talar extrusion,no proper treatment protocol has been established.The earlier treatment outcomes have been poor due to the high rate of infection and avascular necrosis.However,more recent literature advised reimplanting the talus whenever practical,and providing with meticulous cleaning of the talus.In the presence of infection and severe trauma,tibiocalcaneal fusion achieved by the Ilizarov external fixator can be an effective salvage method.展开更多
文摘BACKGROUND Total talar dislocation (TTD) is very uncommon for many orthopedic surgeons and emergency/trauma specialists. Scarce cases of TTD have been reported, mainly in the form of open fracture-dislocation injury. CASE SUMMARY We report a very rare injury of closed TTD with a follow-up period of 36 mo. Initial closed reduction was not successful because of a fractured highly unstable medial malleolus displaced into the ankle mortise, blocking the relocation of the talus. The patient was able to walk pain-free after the 3rd month of surgery. At the 36-mo follow-up, there were 10 degrees of flexion loss and 10 degrees of extension loss in the tibiotalar joint. Furthermore, 5 degrees of subtalar joint inversion-eversion loss was present. CONCLUSION Open reduction should be performed for closed TTDs unless closed reduction is successful.
文摘BACKGROUND Giant cell tumors(GCT)are most commonly seen in the distal femur.These tumors are uncommon in the small bones of the hand and feet,and a very few cases have been reported.A giant cell tumor of the talus is rarely seen clinically and could be a challenge to physicians.CASE SUMMARY We report a rare case of GCT of the talus in one patient who underwent a new reconstructive surgery technique using a three-dimensional(3D)printing talar prosthesis.The prosthesis shape was designed by tomographic image processing and segmentation using technology to match the intact side by mirror symmetry with 3D post-processing technologies.The patient recovered nearly full range of motion of the ankle after 6 mo.The visual analogue scale and American Orthopaedic Foot and Ankle Society scores were 1 and 89 points,respectively.CONCLUSION We demonstrated that 3D printing of a talar prosthesis is a beneficial option for GCT of the talus.
文摘Perch sweeper fish with scientific name Cobitis taenia is one of the Cobitidae family. Since this kind of fish lives in clean waters and in the high areas of Talar River, it can be an index on water implution. This survey on the diet of this specimen is done on two stations （Kaselian and Tajoon） and shallow and high areas of Talar River in Mazandaran （Southern part of Caspian sea） and the duration of this survey is from October 2008 till September 2009. We should mention that fishing was just done by electro-shocker with voltage 300 V. And this fish after fishing is fixation in 10% formalin solution. So 410 perch sweeper fish were examined and the average of relatively length of gut （RLG） was 17.35 cm. The index of vacated intestine （VI） was calculated 43.35% for all samples. From intense of diet points of view （GSI）, the most frequency of full intestines was considered in summer and spring. On the other hand, the smallness of relatively length of gut index （RLG 〈 1） shows that perch sweeper fish＇s diet manner is inclined to herbivority. In the examination of containing of digestive track, overally 10 kinds of foodstuff were known. Based on amount of this index, 2.67% Chironomidae is known as main bait in all sampling period.
基金the Class IV Peak Discipline Project of Shanghai Jiao Tong University School of Medicine-“3D Snowball”Project(No.Ggxq03)the Clinical Research Program of 9th People’s Hospital,Shanghai Jiao Tong University School of Medicine(No.JYLJ015)+1 种基金the Clinical Research Plan of SHDC(No.16CR3099B)the National Key Research and Development Program of China(No.2016YFC1102104)。
文摘In our case,3D printing was used to fabricate a custom-made titanium alloy total talar prosthesis as a mirror image of the contralateral healthy talus for a 16-year-old girl who underwent right talar resection for a recurrent giant cell tumour(GCT)of the talus.A porous surface was used over the neck and tail of the talus prosthesis to promote soft tissue attachment and improve the stability of the prosthesis.Pre-drilled medial and lateral holes were prepared for ligament repair and attachment.Eighteen months after the operation,there was no tumour recurrence,and the patient walked without symptoms.The Musculoskeletal Tumour Society score was 22/30,the American Orthopaedic Foot and Ankle Society score was 88/100,and the prosthesis was well positioned on radiographs.The short-and medium-term outcomes indicated that 3D-printed modular talar prostheses could be an effective treatment option.
文摘Talar extrusions are the rare extreme case of talar fractures and dislocations which are associated with high-energy trauma.Given the rarity of talar extrusion,no proper treatment protocol has been established.The earlier treatment outcomes have been poor due to the high rate of infection and avascular necrosis.However,more recent literature advised reimplanting the talus whenever practical,and providing with meticulous cleaning of the talus.In the presence of infection and severe trauma,tibiocalcaneal fusion achieved by the Ilizarov external fixator can be an effective salvage method.
