Isolated fracture of the humeral trochlea: a case report and review of the literature

Najib, Ainun; Daoudi, A.; Yacoubi, Hicham

doi:10.1186/s13256-015-0564-1

Cited by 14 publications

(21 citation statements)

References 8 publications

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“…Nakatani et al [5] suggested the role of varus stress with axial loading in isolated trochlear fracture. Thus, it was documented that varus stress displaces the compressive forces of the radio-humeral compartment in the ulnohumeral compartment [12]. Back to our case, the fracture occurred following an axial load while the elbow was in an extended position.…”

Section: Discussionmentioning

confidence: 51%

Combined Isolated Laugier’s Fracture and Distal Radial Fracture: Management and Literature Review on the Mechanism of Injury

Osman

Braiki

Alaya

et al. 2016

Case Reports in Orthopedics

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Introduction. Isolated fracture of the trochlea is an uncommon condition requiring a particular mechanism of injury. Its association with a distal radial fracture is rare. We aimed through this case report to identify the injury mechanism and to assess surgical outcomes. Case Presentation. We report a 26-year-old female who was admitted to our department for elbow trauma following an accidental fall on her outstretched right hand with her elbow extended and supinated. On examination, the right elbow was swollen with tenderness over the anteromedial aspect of the distal humerus. The elbow range was restricted. Standard radiographs showed an intra-articular half-moon-shaped fragment lying proximal and anterior to the distal humerus. There was a comminuted articular fracture of the distal radius with an anterior displacement. A computed tomography revealed an isolated shear fracture of the trochlea without any associated lesion of the elbow. The patient was surgically managed. Anatomical reduction was achieved and the fracture was fixed with 2 Kirschner wires. The distal radial fracture was treated by open reduction and plate fixation. The postoperative course was uneventful with a good recovery. Conclusion. Knowledge of such entity would be useful to indicate the suitable surgical management and eventually to obtain good functional outcomes.

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Section: Discussionmentioning

confidence: 51%

Combined Isolated Laugier’s Fracture and Distal Radial Fracture: Management and Literature Review on the Mechanism of Injury

Osman

Braiki

Alaya

et al. 2016

Case Reports in Orthopedics

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“…As far as the diagnosis of isolated coronal fractures of the humeral trochlea is concerned, a CT scan is imperative as the anteroposterior radiographs can be interpreted as normal in most of the cases and the lateral radiographs may show a half moon shaped osteochondral fragment which may be difficult to differentiate from capitellar fractures 11. CT scan also rules out any associated bony injuries along with determining the size and displacement of fragments thereby guiding the surgical technique 15. Open reduction and internal fixation is the treatment of choice for displaced fracture 1,5,7,8,11 . A medial or anterior approach is most often used, as both the approaches provide good exposure of the fracture 11. A lateral approach often limits the amount of surgical exposure and should only be considered in case of associated fractures of capitellum 5 .…”

Section: Discussionmentioning

confidence: 99%

Fixation of isolated fracture of the humeral trochlea through posterior trans-olecaron approach

Rahman¹,

Rai²

2020

BJMHR

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An isolated coronal plane fracture of the humeral trochlea is very rare. We report a study of 5 patients with isolated fracture of the humeral trochlea in coronal plane operated through posterior approach including olecaron osteotomy followed by herbert screw fixation. 5 patients sustaining isolated fracture of the humeral trochlea were included in the study. The patients were operated through a posterior approach involving olecaron osteotomy and osteosynthesis was achieved via Herbert screws. The patients were followed up at regular intervals and functional ability was assessed through the Mayo Elbow Performance Index (MEPI). The mean time of injury to surgery was 3.4±1.14 days. 4 out of the 5 patients had excellent outcome as per the MEPI scores and 1 patient had good outcome. Isolated fractures of humeral trochlea in coronal plane can be effectively treated with posterior approach and Herbert screw fixation.

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“…The "double arc sign," a half-moon shaped, dissociated fragment from the capitellum, appearing on the lateral view Journal of Orthopaedic Surgery 27 (2) of the radiograph is useful for diagnosis. 6 This sign may not be present in all cases 4,10 ; thus, it cannot be the sole diagnostic criterion. Adjuvant three-dimensional CT can assist in determining fracture configuration and in preoperative planning.…”

Section: Discussionmentioning

confidence: 99%

Coronal shear fracture of distal humerus associated with olecranon fracture: A case report and pathomechanism

Sun

Thanomsingh

Jeon

2019

J Orthop Surg (Hong Kong)

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Distal humeral coronal shear fractures are rare and account for around 1% of all fractures at the elbow level and 6% of the distal humeral fractures. Many studies have reported on the associated injuries involving the lateral collateral ligament injuries and radial head fractures in up to 40% and 30% of humeral fractures, but this combination of coronal shear fracture of the trochlea and capitellum associated with olecranon fracture is unusual. Here, we report two cases of distal humerus coronal shear fracture with olecranon fracture treated surgically and establish and discuss the pathomechanisms, diagnosis, and therapeutic issues relating to this fracture.

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Isolated fracture of the humeral trochlea: a case report and review of the literature

Cited by 14 publications

References 8 publications

Combined Isolated Laugier’s Fracture and Distal Radial Fracture: Management and Literature Review on the Mechanism of Injury

Combined Isolated Laugier’s Fracture and Distal Radial Fracture: Management and Literature Review on the Mechanism of Injury

Fixation of isolated fracture of the humeral trochlea through posterior trans-olecaron approach

Coronal shear fracture of distal humerus associated with olecranon fracture: A case report and pathomechanism

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