• Journal of Korean Foot and Ankle Society
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• v.4 no.1
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• pp.48-54
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• 2000

Haglund's syndrome produces retrocalcaneal bursitis or achilles tendinitis due to impingement of posterior superior bursal projection of calcaneus on insertional fibers of achilles tendon. Haglund's syndrome has been mainly associated with wearing rigid counter shoes and with athletes. We experienced three case of late sequelae of secondary Haglund's syndrome after malunion of tongue type calcaneus fracture. It is to be the first description of secondary Haglund's syndrome after calcaneus malunion and also the first report as the late complication of calcaneus fractures. Three cases were all tongue type intraarticular fractures and were treated with $45^{\circ}$ superior angle resection of superior calcaneal tuberosity. Clinical results by modified Rowe score were excellent with complete pain relief for all three cases.

• The Journal of the Korean bone and joint tumor society
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• v.11 no.2
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• pp.204-207
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• 2005

Osteosarcoma is mainly developing around the knee joint. But osteosarcoma of the calcaneus is rare. A 20 year old male patient visited our clinic due to persistent pain around the calcaneus. We diagnosed it to osteosarcoma of the calcaneus and treated with below knee amputation and adjuvant chemotherapy. We experienced a case of osteosarcoma of the calcaneus and would like to report it with review of literatures.

• The Journal of Pediatrics of Korean Medicine
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• v.22 no.2
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• pp.155-170
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• 2008

Objectives : The purpose of this study was to have better data and to make efficient clinical reviews about children's growth based on two methods; X-ray of hand, and ultrasound of calcaneus. Methods : The study was composed of 100 patients(50 of boys and 50 of girls) who visited in department of pediatrics, O O university oriental hospital considering growth and their development. Bone age was measured by the TW3 method's RUS score in simple X-ray image of hand and bone density through ultrasonic image of calcaneus. To predict children's estimated height, their parent's height, bone age, and present height's percentile was measured. Results and Conclusions : 1. The bone age results from X-ray image of hand and ultrasonic image of calcaneus were correlated. Younger children have older bone age from hand's X-ray than the one from calcaneus's ultrasound. Older children have older bone age from calcaneus's ultrasound than one from hand's X-ray. 2. Predicted adult height by bone age(BH) of hand's X-ray and BH of calcaneus's ultrasound were correlated, but predicted adult height by inheritance(IH) was not correlated with others. 3. Bone age and predicted adult height were correlated with age, height, weight, BMI, and especially with age and height. 4. Measuring bone age by X-ray image of hand and ultrasonic image of calcaneus was simple and effective way of estimating children's growth and development.

• The Journal of Korean Physical Therapy
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• v.8 no.1
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• pp.33-47
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• 1996

This study was performed to examine the correlation between calcaneus to tibia angle and Q-angle, and the effects of step width and toe out angle on the calcaneus to tibia angle and Q-angle. The age of participated subjects was from 19 to 29 years(Mean=22.95, SD=2.23) who have no significant orthopedic and neurological dysfunction. The marking tapes for measurement of Q-angle and calcaneus to tibia angle were placed on seven location of each subject. Video data were collected while the subject walked on a walking grid. The result as follows : 1. There were significant differences in the step width, toe out angle, and Q-angle but not calcaneus to tibia angle between male and female. 2. There were significant differences in toe calcaneus to tibia angle and Q-angle n step width increased, respectively. 3. There were significant differences between tee out angle and calcaneus to tibia angle but not toe out angle and q-angle. 4. There was statistically significant correlation between calcaneus to tibia angle and Q-angle.

• Journal of the Korean Society of Radiology
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• v.7 no.2
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• pp.107-112
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• 2013

There is an Ankle Oblique(Broden' low) as an examination for the patient whose ankle was encased in orthopedic plaster. Some types of Ankle Joint coalition - Calcaneonavicular coalition, Talocalcaneal coalition and Naviculocuneiform coalition. This study is focused on the relation between Ankle Joints and the structural change of soft tissues, also finding the most proper angle to obtain good images of Ankle Joint from the patient who wore a plaster on his ankle, when we x-ray with Harris-Beath View($30^{\circ}{\sim}55^{\circ}$) - for observing Subtalar joint, Calcaneus Fracture, Subtentaculum, Tali Fracture and Talocalcaneal coalition. We intend to get the angle which makes us achieve the good image that shows Calcaneus Fracture, Subtentaculum, and Tali Fracture by changing internal angles of the patient's ankle. We evaluated the images obtained from 51 patients with PACS monitor. The result of the evaluation, subtalar joint was not seperated but opened, and Subtentaculum Tali Fracture was seen overlaid. at the angle 30, we could observe Calcaneus Fracture, Subtentaculum Tali Frature and the front part of behind side of subtalar joint well. And Calcaneo Navicularcoalition, Talocal Canealcoalition, Naviculo Cuneiform coalition condition were clearly seen at that angle. At the angle 35, we could achieve the clear images of subtalar comminuted fracture, talus, the behind joint of heel bone and get the high definition image on the degree of talocalcaneal joint separation. In addition to, We could obtain the good wide image of Sinus Tarsi. At the area of 45, We can distinguish the soft tissues from gyps separation. The outer-talus and density of the bone were definitely seen and Calcaneus is more separated than that of at the angle of 35, but this image is distorted. Calcaneus, Subtentaculum Tali show $1.20{\pm}0.414$ at the angle 25, $2.47{\pm}0.516$ at the angle 30, $2.27{\pm}0.458$ at the angle 45. This difference is statistically meaningful. (p<0.05). Including the degree of distortion, The distortion appears less at the area of $30^{\circ}$ but at the area of 40, there is heavy distortion. So, We could get the best image for making a diagnosis. At the $30{\sim}35^{\circ}$ degree for X-raying ankle. and at the $30{\sim}40^{\circ}$ for Calcaneus Fracture, Subtentaculum Tali Fracture.

• Journal of Korean Foot and Ankle Society
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• v.10 no.1
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• pp.84-87
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• 2006

Purpose: To review the results of surgical decompression for tarsal tunnel syndrome associated with calcaneus fractures. Materials and Methods: Six tarsal tunnel syndromes in five patients were surgically decompressed at our hospital with followed up of average 26.0 months (range, $12{\sim}36$ months). All patients were male and average age at surgery was 50.0 years (range, $33{\sim}69$years). All five cases developed after calcaneus fractures including one bilateral case. Clinical results were assessed according to the criteria of Pfeiffer and Cracchiolo. Results: The result was good in three cases, fair in one case and poor in two cases. Four cases in four patients were satisfied with the result of treatment. Conclusion: Clinical results of surgical treatment for tarsal tunnel syndrome associated with calcaneus fracture of the foot or ankle was improved and maintained in four of six cases.

• Journal of Korean Foot and Ankle Society
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• v.10 no.2
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• pp.196-200
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• 2006

Purpose: To study prognostic factors of unilateral calcaneus fracture underwent surgery. Materials and Methods: We selected appropriate 60 cases of 236 calcaneus fracture cases between March 1985 and March 2004, and analyzed the correlation between sex, age, smoking, injury mechanism, Essex-Lopresti classification of calcaneus fracture, preoperative Bohler angle, postoperative Bohler angle, postoperative 1 year Bohler angle and Visual Analogue Scale (VAS), P.S. Kerr's Calcaneal Fracture Score (CFSS). The average age was 41.4 and average follow up period was 74 (12 to 240) months. Results: For follow up period, average VAS is 3.43 and CFSS is 81.23. The sex, age, smoking, injury mechanism, and preoperative, postoperative, postoperative 1 year Bohler angle had no correlation with the prognosis. But the Essex-Lopresti classification of calcaneus fracture, tongue type had better prognosis than joint depression type (VAS : p=0.041, CFSS : p=0.021). Conclusion: In unilateral calcaneus fracture, the sex, age, smoking, injury mechanism, preoperative Bohler angle, postoperative Bohler angle, postoperative 1 year Bohler angle had no correlation with the prognosis of fracture, but in Essex-Lopresti classification, the tongue type fracture had better prognosis than the joint depression type.

• Journal of Korean Foot and Ankle Society
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• v.17 no.2
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• pp.143-149
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• 2013

Purpose: Open reduction and internal fixation of calcaneal fracture using plate has been used. While numerous plates have been manufactured, most of the conventional plates are designed for westerners, realistically the size is larger for Korean. The domestic products, on the other hand, often have the undesirable screw holes and path. Therefore, we measured the radiologic parameter of Korean calcaneus for providing the plate and screw hole placements. Materials and Methods: We measured the outer lines and angles with over the 20 years old 291 females and 322 males. A: Length of inferior plane of calcaneus, B: Length of anterior plane of calcaneus, C: Length from line A to sinus tarsi, D: Length from line A to posterior point of posterior facet, E: Length from line A to calcaneal tuberosity, F: Length of posterior facet, G: Length from anterior point of line A to C, H: Length from line C to line D, a: Angle between A and B, b: Gissane angle, c: Bohler angle, d: Calcaneal pitch angle using Marosis m-view$^{(R)}$. Results: Mean A, B, C, D, E, F, G, H were 63.6, 26.4, 23.2, 43.7, 40.5, 26.9, 12.8, 18.1 mm. Mean a, b, c, d angle were 105.8, 122.4, 32.4, $20.5^{\circ}$. Male's calcaneus is significantly bigger than female's (p<0.001). Conclusion: AP calcaneus length 63.6 mm, maximal height 43.7 mm is considered to be helpful in making the Korean calcaneal plate.

• Journal of Korean Foot and Ankle Society
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• v.18 no.1
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• pp.14-18
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• 2014

Purpose: The purpose of this report is to evaluate the measured values of normal Korean calcaneus by conduct of a cadaveric study. Materials and Methods: A total of 42 calcanei were obtained from Korean cadavers. A digital goniometer was used for measurement of B$\ddot{o}$hler's angle, Gissane angle, posterior facet articular inclination angle, and Fowler-Philip angle of calcaneus. A vernier caliper was used for measurement of the maximal antero-posterior length, maximal transverse width, and maximal height of calcaneus. Results: The average B$\ddot{o}$hler's angle, Gissane angle, posterior facet articular inclination angle, and Fowler-Philip angle was $32.3^{\circ}{\pm}5.0^{\circ}$, $114.4^{\circ}{\pm}8.2^{\circ}$, $61.2^{\circ}{\pm}4.4^{\circ}$, and $60.3^{\circ}{\pm}7.6^{\circ}$. The average maximal antero-posterior length, maximal transverse width, and maximal height of calcaneus was $74.2{\pm}3.0mm$, $43.0{\pm}4.0mm$, and $42.5{\pm}3.0mm$. Conclusion: The measured values of normal Korean calcaneus were lower than the values reported in the international literature. Therefore, development of appropriate instruments reflecting the anatomical characteristics of Koreans will be needed.

• Journal of radiological science and technology
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• v.40 no.3
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• pp.401-405
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• 2017

The Purpose of this study is to compare the bone marrow density measured by quantitative ultrasonometry (QUS) between men and women. Questionnaires for general characteristics were obtained from 104 participants, and then their both calcaneus was measured by using QUS. Sex differences for bone marrow density (BMD) were analyzed by an Independent t-test using the SPSS 19.0 program. Of 104 participants, women and men were 69(66.3%) and 35(33.7%), respectively. T-value of left calcaneus was high significantly in women than that in men(0.443 vs. 0.031, p=0.161) as well as that of right calcaneus(0.555 vs. 0.049, p=0.093). T-value of right calcaneus was high than that of left calcaneus in women and men (not significant, p>0.05). T-value of both calcaneus was increasing with physical activity. T-value of calcaneus was no statistically significant with age and body mass index. The BMD of women is high significantly more than that of men, and BMD is relation with physical activity.