Can We Measure the Heel Bump? Radiographic Evaluation of Haglund's Deformity

Bulstra, Gythe H.; Rheenen, Thijs A. van; Scholtes, Vanessa A.

doi:10.1053/j.jfas.2014.07.006

Cited by 45 publications

(31 citation statements)

References 15 publications

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“…(7) Another study by Bulstra et al noted that only the CP angle measurement was found to be significantly larger in Haglund's disease, although this was only true for female patients. (8) Other studies by Lu et al and Flamiengo et al, using CP and FP angles, did not show any correlation between hind foot pain and radiographic abnormality, and therefore the angles were not helpful in making diagnostic and management decisions. (8) However, the presence of a poorly defined retrocalcaneal recess, a superficial retrocalcaneal (adventitial) bursa and an Achilles tendon outline anteroposterior measurement > 9 mm were believed to be dependable indicators of soft-tissue involvement in patients with concurrent retrocalcaneal bursitis and Achilles tendinopathy.…”

Section: A 3bmentioning

confidence: 86%

Clinics in diagnostic imaging (170)

Shah¹,

Wong²

2016

smedj

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Section: A 3bmentioning

confidence: 86%

Clinics in diagnostic imaging (170)

Shah¹,

Wong²

2016

smedj

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show abstract

“…Preoperative lateral X-ray was taken to check the posterior superior calcaneus exostosis (Haglund deformity) and tendon calcification. The normal Fowler-Phillip angle (FPA) ranges from 44° to 69° [9, 10]. If FPA is more than 75°, it is suspected to have an enlargement of the posterior aspect of the calcaneus (Figure 1).…”

Section: Methodsmentioning

confidence: 99%

Central Tendon-Splitting Approach and Double Row Suturing for the Treatment of Insertional Achilles Tendinopathy

Zhuang

Yang

Chhantyal

et al. 2019

BioMed Research International

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Background. To assess the clinical outcomes of central tendon-splitting approach and double row anchor suturing for the treatment of insertional Achilles tendinopathy. Methods. 28 patients (28 feet) diagnosed with insertional Achilles tendinopathy were included in this study. The inclusions were symptom of hindfoot pain around the insertion of the Achilles tendon, radiographic demonstration of calcification, or degeneration of the Achilles tendon, showing no symptom improvement even after standard nonsurgical treatment for more than six months. The X-ray revealed that patients had obvious posterior superior calcaneal exostosis with the possibility of friction with the Achilles tendon or intratendinous calcification. Surgical correction by the central tendon-splitting approach and double row Achilles tendon suturing was performed. The ankles were immobilized with plaster for four weeks postoperatively. The American Orthopaedic Foot and Ankle Society (AOFAS) score and visual analogue score (VAS) were assessed preoperatively and at 2 years postoperatively. At final follow-up, the Manchester-Oxford Foot Questionnaire (MOXFQ) as patient-reported outcome measures (PROMs) was also evaluated. Results. No complication, including postoperative wound infection and tendon rupture, was not found. All the patients resumed their daily activities with no high level of daily activities, such as jumping and jogging after 6 weeks postoperatively. 27 patients were available for follow-up for at least 2 years, while only one patient was lost to follow-up. At postoperative 2 years, the postoperative AOFAS score increased significantly, while the VAS score decreased statistically when compared with preoperative values. At final follow-up, 24 patients had complete alleviation of pain, whereas the remaining 3 patients complained of mild heel pain after walking for a long time. The MOXFQ score showed obvious relief of previous symptoms for all included cases. Conclusions. Central tendon-splitting approach and double row Achilles tendon suture provide excellent intraoperative visual field, larger tendon-bone contact area, and stronger pullout strength and, thus, facilitate early rehabilitation. It can be a safe and effective method for the treatment of insertional Achilles tendinopathy.

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“…It returns a two-tailed significance quantifying the distance between the empirical distribution function of the sample and the cumulative distribution function of the hypothesized distribution. This test is usually applied to approximating the distribution of a sample with a hypothesized distribution type 66 67 . It allows for various hypothesized distribution types to be selected to obtain the fittest distribution.…”

Section: Methodsmentioning

confidence: 99%

A novel method for correcting scanline-observational bias of discontinuity orientation

Huang

Tang

Tan

et al. 2016

Sci Rep

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Scanline observation is known to introduce an angular bias into the probability distribution of orientation in three-dimensional space. In this paper, numerical solutions expressing the functional relationship between the scanline-observational distribution (in one-dimensional space) and the inherent distribution (in three-dimensional space) are derived using probability theory and calculus under the independence hypothesis of dip direction and dip angle. Based on these solutions, a novel method for obtaining the inherent distribution (also for correcting the bias) is proposed, an approach which includes two procedures: 1) Correcting the cumulative probabilities of orientation according to the solutions, and 2) Determining the distribution of the corrected orientations using approximation methods such as the one-sample Kolmogorov-Smirnov test. The inherent distribution corrected by the proposed method can be used for discrete fracture network (DFN) modelling, which is applied to such areas as rockmass stability evaluation, rockmass permeability analysis, rockmass quality calculation and other related fields. To maximize the correction capacity of the proposed method, the observed sample size is suggested through effectiveness tests for different distribution types, dispersions and sample sizes. The performance of the proposed method and the comparison of its correction capacity with existing methods are illustrated with two case studies.Rockmass is a discrete medium composed of rock material and discontinuities including faults, fractures, joints, veins, bedding planes, cleavage planes, and schistosity planes, among others. Such discontinuities dominate the kinematical and mechanical behaviour of engineering rockmass [1][2][3][4][5] , with the analysis of this behaviour extending to various applications in such areas as rockmass stability evaluation, rockmass permeability analysis, rockmass quality calculation and other related fields, using three-dimensional rockmass models frequently generated via discrete fracture network (DFN) modelling with input geometrical variables including orientation [6][7][8][9][10][11][12][13][14][15] . These orientations are primarily measured on fresh rock exposures, with previous studies reporting various representative techniques [16][17][18][19]

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Can We Measure the Heel Bump? Radiographic Evaluation of Haglund's Deformity

Cited by 45 publications

References 15 publications

Clinics in diagnostic imaging (170)

Clinics in diagnostic imaging (170)

Central Tendon-Splitting Approach and Double Row Suturing for the Treatment of Insertional Achilles Tendinopathy

A novel method for correcting scanline-observational bias of discontinuity orientation

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