Journal of Musculoskeletal Trauma

Isolated trochlear fracture of the distal humerus: A case report: Sogu Lew, Joon O Yoon, Soo Sung Park, Eugene Kim, Seung Jun Shin; J Korean Soc Fract 2001;14(2):253-256. Published online April 30, 2001; DOI: https://doi.org/10.12671/jksf.2001.14.2.253

The trochlear fracture of the distal humerus known as a Laugier fracture is extremely rare in occurrence because this articulating unit has no capsule, muscle, or ligamentous attachment and is cradled by the olecranon. Isolated, displaced fracture of the trochlea presented with review of the literature

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Fractures of the humeral trochlea: case presentations and review
Lucas B.J. Gonçalves, David C. Ring
Journal of Shoulder and Elbow Surgery.2016; 25(6): e151. CrossRef

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Treatment of Transolecranon Fracture-Dislocation of the Elbow: Soo Yong Kang, Han Jun Lee, Jung Nam Han, Kyoung Hwan Kim; J Korean Soc Fract 2001;14(1):99-105. Published online January 31, 2001; DOI: https://doi.org/10.12671/jksf.2001.14.1.99

Abstract PDF: PURPOSE
We conducted this study to discriminate transolecranon fracture-dislocation of the elbow from the anterior Monteggia lesion and to validate the differences of method of treatment.
MATERIALS AND METHOD
From March, 1998 to May, 1999, 3 cases of the transolecranon fracture-dislocation of the elbow were treated by open reduction and internal fixation.One of the three patients had simple oblique fracture of the olecranon combined with capitellum fracture and two had complex comminuted fracture of the olecranon. Functional outcome was assessed with elbow performance rating system of Broberg and Morrey.
RESULTS
At a minimum follow-up of 12 months, overall outcome was rated as exellent in two patients, fair in one. Average bone union peoriod was three months.
CONCLUSION
Stable restoration of the accurate contour and dimension of the trochlear notch of the olecranon and early ROM exercise will lead to good result in transolecranon fracture-dislocation cases.

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Radiologic Pattern of Trochlear Ossification Center: Jin Woo Kwon, Seung Ho Shin, Won Ho Cho, Woo Se Lee, Chun Ho Kim; J Korean Soc Fract 2000;13(2):216-221. Published online April 30, 2000; DOI: https://doi.org/10.12671/jksf.2000.13.2.216

Abstract PDF: PURPOSE
: The trochlear secondary ossification center may be variable in number, shape and size, thus it can be considered as fracture. The purpose of this study is to evaluate radiographic analysis of normal trochlear secondary ossification center.
METHOD
AND MATERIAL : We reviewed the 100 cases of normal elbow radiographs and classified the numbers and shapes of trochlear sencondary ossification center.
RESULT
: The number of trochear secondary ossification center was that one was 72 cases(72%), two 19 cases(19%), three 9 cases(9%). The shape of trochlear ossification center which has only one ossification center was classified as round was 11cases(15.3%), elliptical 24 cases(33.3%), irregular37(51.4%).
CONCLUSION
: The radiographic finding of trochlear secondary ossification center is variable in number, size and shape, thus authors concluded that fragmentation or bizzare shape of trochlea in painless elbow must be considered as secondary ossification center.

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Fracture-Separation of The Distal Humeral Epiphysis: Hak Yeong Jeong, Seung Wook Yang, Jae Woong Shim, Seung Joon Shin, Jeong Tae Kim; J Korean Soc Fract 1998;11(3):650-657. Published online July 31, 1998; DOI: https://doi.org/10.12671/jksf.1998.11.3.650

Abstract PDF: A fracture-separation of the distal humeral epiphysis in children is an extremely rare injury and presents problems in diagnosis, radiographic interpretation and management. From June 1992 to December 1996, Authors experienced the 5 cases of Salter - Harris type II injury of the distal humeral epiphysis at Department of Orthopedic Surgery, Pusan Maryknoll General Hospital. The patient were followed up from one year nine months to three years four months. The two cases were treated by closed reduction and percutaneous K-wire fixation and the three cases by open reduction and internal fixation with K-wires. There were 4 cases of complication seldom reported following fracture-separation of the distal humeral epiphysis. This complications consist of 4 dissolutions of trochlea, which is one, frank avascular necrosis of trochlea. In 3 cases with open reduction developed the cubitus varus & dissolution of trochlea. We speculate that this complications results from avascular necrosis of distal end of humerus. Attention to change of carrying angle and radiographic change of distal humeral end are important in detection of complication & evaluation of etiology of dissolution of distal humeral end.

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