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Pogliacomi F, Vaienti E. Misdiagnosed iuxta-articular osteoid osteoma of the calcaneus following an injury. ACTA BIO-MEDICA : ATENEI PARMENSIS 2003; 74:144-50. [PMID: 15055019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
The diagnosis of osteoid osteoma, in usual localizations, is generally simple. In iuxta-articular localizations this tumor may be unrecognized and the diagnosis delayed. Injury has been sometimes correlated with the onset of symptoms and this can make the diagnosis even more difficult. We present a case of osteoid osteoma of the calcaneus iuxta-articular to the subtalar joint in a 17-year-old basketball player. He had a history of initial injury, ankle sprain during training, followed by pain and swelling. He was initially treated for lateral ligament lesion of the ankle with unsatisfactory results. After acute trauma the pain changed becoming chronic and mostly nocturnal disappearing when rofecoxib was taken. Standard x-ray didn't show the lesion. Nuclear Magnetic Resonance (NMR) and scintigraphic results were not well interpreted but these clinical changes and Computed Tomography (CT) images supported the diagnosis of osteoid osteoma. The complete resection of the bone lesion resolved all the symptoms and the histological report confirmed the suspected diagnosis.
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Abstract
Primary synovial chondromatosis is a rare benign condition characterized by the formation of multiple cartilaginous nodules in the synovium of joints and on occasions tendon sheaths or bursae. A case of primary synovial chondromatosis affecting the subtalar joint is reported. The patient's brother developed the same condition affecting the same joint 2 years later. The proposed etiologies are discussed including the presence of the proto-oncogene C-erb B-2.
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Bouysset M, Tebib J, Tavernier T, Noel E, Nemoz C, Bonnin M, Tillmann K, Jalby J. Posterior tibial tendon and subtalar joint complex in rheumatoid arthritis: magnetic resonance imaging study. J Rheumatol 2003; 30:1951-4. [PMID: 12966596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
OBJECTIVE To observe by magnetic resonance imaging (MRI) the pathologic changes in the posterior tibial tendon (PTT), subtalar joint complex (STJC), and sinus tarsi in patients with rheumatoid arthritis (RA), and if possible to determine their involvement in the course of the disease. METHODS Sixty-seven rheumatoid feet with mid and hindfoot pain underwent MRI with gadolinium injection. Localized enhancement and anatomic lesions were assessed in the 3 sites. RESULTS On MRI, PTT involvement was seen to be more frequent than STJC or sinus tarsi. When there was gadolinium enhancement of the PTT there was no sinus tarsi enhancement (p = 0.014). Interosseous talocalcaneal ligament rupture was correlated with disability (p = 0.031). CONCLUSION In RA patients with hindfoot pain, PTT synovitis is observed when there is no sinus tarsi synovitis.
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Maillefert JF, Dardel P, Cherasse A, Mistrih R, Krause D, Tavernier C. Magnetic resonance imaging in the assessment of synovial inflammation of the hindfoot in patients with rheumatoid arthritis and other polyarthritis. Eur J Radiol 2003; 47:1-5. [PMID: 12810213 DOI: 10.1016/s0720-048x(02)00065-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVES To describe the localisation of synovitis and tenosynovitis of the hindfoot observed on magnetic resonance imaging (MRI) in patients with chronic polyarthritis, and to correlate the findings of physical examination and MRI. METHODS Patients with chronic polyarthritis, and one or two painful hindfoot were included. On physical examination and on MRI, the tibio-talar, talo-calcaneal, and talo-navicular and calcaneo-cuboidal joints were adjudged to have or not synovitis, and the tibialis anterior and posterior, the peroneus longus and brevis, the flector digitorum and hallucis longus tendons to have or not tenosynovitis. Criteria for synovitis and tenosynovitis were a high signal intensity on T2-weighted images, a low signal intensity on T1-weighted images, and enhancement after Gd-DTPA injection, in the joint area, and around the tendon, respectively. The correlation between the findings of physical examination and those of MRI were evaluated using the Kappa statistics. RESULTS 12 patients (three men, nine women, mean age of 55.5 years+/-11.4 S.D.) with chronic polyarthritis (rheumatoid arthritis (RA): nine, ankylosing spondylitis: one; psoriatic arthritis: one, unclassified: one) were included. All presented with one (7 patients) or two (5 patients) painful hindfeet (and swelling for 16 out of 17 hindfeet). On physical examination, 25 joints and eight tendons were adjudged to have synovitis and tenosynovitis. MRI showed synovitis in 12 out of 25 of these joints (48%), and tenosynovotis in three out of eight of these tendons (37.5%). Moreover, MRI showed ten and seven clinically unsuspected synovitis and tenosynovitis, respectively. The proportion of agreements between physical examination and MRI were 54.9% (kappa=0.1) and 88.2% (kappa=0.27) for synovitis and tenosynovitis, respectively. CONCLUSION A weak correlation was observed between the findings of physical examination and MRI in patients with chronic polyarthritis and a painful hindfoot. MRI might be used to localise synovitis in the area before performing some intra-articular injections. However, other studies are needed to address this question.
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Kayaoğlu EE, Binnet MS. [Subtalar joint instability]. ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA 2003; 36 Suppl 1:37-41. [PMID: 12510122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
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Jarde O, Duboille G, Abi-Raad G, Boulu G, Massy S. [Ankle instability with involvement of the subtalar joint demonstrated by MRI. Results with the Castaing procedure in 45 cases]. Acta Orthop Belg 2002; 68:515-28. [PMID: 12584983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
The authors report 46 cases of instability of the hindfoot involving the subtalar joint, with or without combined involvement of the tibiotalar ligaments, which were treated using Castaing's technique of ligament plasty between 1988 and 1999. Preoperatively, the patients complained of instability, recurrent sprains and pain. A tarsal sinus syndrome was present in 39%. Forty six patients underwent NMR examination which demonstrated capsuloligamentous lesions in every case. The results were evaluated using Kitaoka's score. With an average follow-up of 5.7 years after operation, instability was no more present in 80% and 63% were painfree. Clinical examination showed a reduction in the range of inversion of the hindfoot in 43%, with values between 50 and 70% of the contralateral foot, but without any significant clinical repercussion. Incipient osteoarthritis was noted on xrays in three patients. The overall results were very good in 82%, fair in 11% and poor in 7%. Eighty seven percent of the patients were satisfied with the result of the operation. The authors found a significant correlation between fair or poor results and a body mass index above 26 kg/m2 or constitutional laxity. Besides, results got worse as the time interval between the first sprain and the operative treatment increased. Comparison of these results with those of other techniques shows that they are essentially similar. Ligament plasty using Castaing's technique is a reliable operation but direct repair of ruptured ligaments at the subtalar joint should be preferred for primary treatment, leaving the possibility for secondary ligament plasty if necessary.
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Barbiera F, Bartolotta TV, Lo Casto A, Pardo S, Rossello M, De Maria M. Intra-articular osteoid osteoma: diagnostic imaging in three cases. LA RADIOLOGIA MEDICA 2002; 103:464-73. [PMID: 12207182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
PURPOSE To report our experience pertaining to three cases of intra-articular osteoid osteoma assessed by means of integrated imaging and review of literature. MATERIALS AND METHODS Medical records, radiologic and nuclear medicine findings pertaining to three cases of intra-articular osteoid osteoma were retrospectively evaluated and compared with those of surgery. All the patients (2 males, one female; age range 8-38 ys) affected by intra-articular osteoid osteoma respectively of the elbow, tibio-talar joint and hip were evaluated by means of radiographic examination and Magnetic Resonance Imaging (MRI). SE T1-w and T2-w, GRE T2*-w, GRE 3D T1-w and STIR pulse sequences were used and axial, coronal and sagittal images were acquired. Two patients underwent CT scan. One patient underwent skeletal scintigraphy. All the patients underwent surgery. RESULTS In 2 out of 3 cases plain radiography allowed the radiologist to suspect the presence of the lesion. In the remaining one, plain radiography failed to detect both the nidus and the perilesional osteosclerosis; nevertheless, a small osteochondral erosion of the humeral condyle suggested the presence of joint inflammation, thus leading to further investigation. CT scan well depicted the presence of the nidus and, in one case, the presence of joint effusion. MRI was always able to detect the nidus, which presented as lesion of low to intermediate signal in T1-w images, low signal in the T2-w images in one patient and high signal in the remaining two; in these latter STIR images showed high intensity nidus and edema of neighbouring cancellous bone. Furthermore, in all patients MRI clearly depicted joint effusion. Skeletal scintigraphy demonstrated both the lesion and the inflammatory involvement of neighbouring soft tissue. In all patients histologic specimen confirmed the diagnosis of osteoid osteoma with joint inflammation and synovitis. CONCLUSIONS According to our results and literature data the pre-surgical diagnosis of osteoid osteoma is very difficult to achieve. Indeed, only the combination of clinical information and radiologic and nuclear medicine findings enables the radiologist to make the right diagnosis.
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Abstract
Tarsal tunnel syndrome caused by talocalcaneal coalition is uncommon. We presented the ultrasonography (US) and magnetic resonance imaging findings of this disease. This is, to our knowledge, the first case report describing the US findings in tarsal tunnel syndrome caused by talocalcaneal coalition.
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Dudkiewicz I, Chechik A, Blankstein A, Salai M. Subtalar arthritis as a presenting symptom of Familial Mediterranean fever: case report and literature review. Acta Orthop Belg 2001; 67:173-7. [PMID: 11383297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Familial Mediterranean fever (FMF) is an autosomal, recessive disease affecting mainly people of Mediterranean origin. The primary pattern of FMF is acute, self-resolving periodic attacks of high-grade fever, accompanied by either peritonitis, pleuritis, or arthritis and sometimes typical ankle rash that simulates erysipelas. Rare manifestations, such as pericarditis or massive knee effusion, have been reported in the literature as a presenting symptom of FMF. The final diagnosis has recently become more accurate by identification of the gene for FMF. We describe a unique presenting symptom of subtalar arthritis with no former personal or family history of FMF. A genetic evaluation revealed a 694/726 genetic variant that confirmed the diagnosis of FMF. Treatment with daily colchicine, 1 mg/day, resulted in complete resolution of all complaints.
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Di Liddo PE, Rivard DS, Mehler AS, Wertheimer SJ. Resection of talocalcaneal middle facet coalition. Interposition with a tensor fascia lata allograft: a case report. J Foot Ankle Surg 2000; 39:336-40. [PMID: 11055025 DOI: 10.1016/s1067-2516(00)80050-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Tensor fascia lata is utilized in the management of complex soft-tissue injuries and defects, but has not been described in the literature in the use of tissue interposition with resection of talocalcaneal middle facet coalitions. This article is a case presentation of a resection of a middle facet coalition with interposition of an allograft of tensor fascia lata. At 14 months postoperative follow-up, range of motion of the subtalar joint was noted to be 20 degrees, and without pain or crepitus. There was no radiographic evidence of degenerative changes in Chopart's joint. The patient returned to all routine and sports activities without pain. He was satisfied with the outcome of the procedure.
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Ebraheim NA, Sabry FF, Haman S, Elgafy H. Congruity of the subtalar joint in tongue fracture of the calcaneus: an anatomical study. Foot Ankle Int 2000; 21:665-8. [PMID: 10966364 DOI: 10.1177/107110070002100806] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
STUDY DESIGN An anatomic study. OBJECTIVES To evaluate the effect of displacement of the fractured posterior facet in tongue fracture of the calcaneus on the congruity of the subtalar joint. METHODS Eleven feet were used in this study. Seven females and four males with age range from 59 to 78. The specimens were dissected from both the lateral and the medial aspects of the calcaneus to expose these surfaces. A primary fracture line was created first, then a secondary line was engineered to simulate tongue fracture. Displacement of the superio-lateral fragment was done with 5-mm increment. Radiography was performed and the graphs were scanned and studied on specific computer software to explore the effects of displacement on joint congruity. RESULTS The anterior end of the fragment of the tongue fracture, when displaced, not only is depressed but also rotated in the sagittal plane in a downward or planterward direction. The articular surface of the posterior facet of the calcaneus and the inferior facet of the talus are maintained in congruence with each other despite the varying degree of displacement and rotation. CONCLUSION Congruity of the subtalar joint in tongue fractures is maintained despite different degrees of displacement. This study explains why the non-surgical treatment outcome is comparable to that of the operative treatment in tongue fractures of calcaneus. It also explains why tongue fractures have a good outcome with closed reduction.
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Bureau NJ, Cardinal E, Hobden R, Aubin B. Posterior ankle impingement syndrome: MR imaging findings in seven patients. Radiology 2000; 215:497-503. [PMID: 10796931 DOI: 10.1148/radiology.215.2.r00ma01497] [Citation(s) in RCA: 108] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
PURPOSE To report the magnetic resonance (MR) imaging findings in seven patients with posterior ankle impingement (PAI) syndrome. MATERIALS AND METHODS Seven patients-three ballet dancers, one badminton player, one soccer player, one hockey player, and one construction worker-who presented with posterior ankle pain were assessed with MR imaging. Their clinical records and imaging studies were reviewed. The MR imaging studies were assessed for the presence of abnormal bone marrow signal intensity, osseous lesions, and soft-tissue abnormalities. RESULTS One patient was treated surgically. In all patients, MR imaging demonstrated abnormal bone marrow signal intensity in the os trigonum and/or lateral talar tubercle, consistent with bone contusions. Two patients had a fragmented os trigonum or lateral tubercle, and two had a pseudoarthrosis of the posterolateral talus. Increased signal intensity was seen with distention of the posterior recess of the tibiotalar joint in two patients and with distention of the posterior recess of the subtalar joint in four patients. Three patients had fluid accumulation in the flexor hallucis longus tendon sheath. CONCLUSION Bone contusions of the lateral talar tubercle and os trigonum are prevalent MR imaging findings of PAI syndrome. MR imaging clearly depicts the osseous and soft-tissue abnormalities associated with PAI syndrome and is useful in the assessment of this condition.
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Thomas JL, Moeini R, Soileau R. The effects on subtalar contact and pressure following talonavicular and midtarsal joint arthrodesis. J Foot Ankle Surg 2000; 39:78-88. [PMID: 10789098 DOI: 10.1016/s1067-2516(00)80031-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Many clinical studies have demonstrated the effectiveness of both isolated talonavicular and complete midtarsal joint arthrodesis as an alternative to triple arthrodesis. However, in many cases, controversy exists as to which procedure to utilize. Evidence of degenerative radiographic changes and stiffness of the subtalar joint have been reported postoperatively. A cadaveric study at two different loading values, utilizing low-range pressure film transducers and digital scanning, was performed to quantify articular contact effects on the subtalar joint following isolated talonavicular joint arthrodesis and complete midtarsal joint arthrodesis as compared to the intact specimen. Statistically significant differences were found at p < .05 in this study regarding maximum contact pressure and in location of the applied pressures. Results of this study suggest complete midtarsal joint arthrodesis may be favored over isolated talonavicular joint arthrodesis, especially in the setting of a flatfoot deformity.
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Trnka HJ, Ivanic G, Trattnig S. Arthrography of the foot and ankle. Ankle and subtalar joint. Foot Ankle Clin 2000; 5:49-62, vi. [PMID: 11232081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Arthrography is the intra-articular injection of contrast media. This article reviews the normal and pathologic findings of standard arthrography and MR imaging arthrography of the ankle and subtalar joint. Standard arthrography is used primarily after acute ankle sprains, whereas MR imaging arthrography is used for staging and detecting osteochondritis dissecans of the talus, anterolateral soft tissue impingement, and chronic lateral ankle instability.
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Kashuk KB, Harmelin E, Holcombe R, Goggin J. Arthroscopy of the ankle and subtalar joint. Clin Podiatr Med Surg 2000; 17:55-79, vi. [PMID: 10652655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Arthroscopy has become a useful diagnostic and therapeutic tool in foot and ankle surgery. There are a reasonable number of indications for its use in the ankle and a limited number for the subtalar joint. Procedures previously performed as open surgeries typically necessitate a lengthy recovery and were met with higher complication rates. Many of these procedures can now be performed through small incisions with the assistance of arthroscopy. This article reviews the pathologies amenable to arthroscopy as well as describes the indicated procedures and technical aspects of each.
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Abstract
OBJECTIVE To define the imaging appearances in three cases of posteromedial subtalar coalition. DESIGN Three patients who presented with hindfoot pain were found to have non-osseous coalition involving the posteromedial hindfoot. This entity is distinct from conventional middle facet coalition as the sustentaculum is uninvolved. RESULTS Plain radiographs, available in two cases, demonstrated subtle irregularity of the posterior facet. MRI (three cases) demonstrated a mixed bony and cartilaginous mass lying posterior to the sustentaculum. There was trabecular oedema within the mass and adjacent talus, and narrowing of the space between the middle and posterior facets. Prominence and dilatation of the posterior tibial veins with tenosynovitis of the adjacent tibialis posterior tendon was seen. CT demonstrated the bony mass but did not detect the adjacent bony oedema. CONCLUSION Posteromedial subtalar coalition may present with hindfoot pain and stiffness. The presence of a pseudarthrosis posterior to a normal middle facet is characteristic. The abnormality can be difficult to detect on plain radiographs.
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Akiyama K, Takakura Y, Tomita Y, Sugimoto K, Tanaka Y, Tamai S. Neurohistology of the sinus tarsi and sinus tarsi syndrome. J Orthop Sci 1999; 4:299-303. [PMID: 10436278 DOI: 10.1007/s007760050107] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The purpose of this study was to clarify the neural anatomy of the sinus tarsi. The nerve endings of the synovium in the sinus tarsi were examined. The synovial membrane in the sinus tarsi was excised in 20 patients with sinus tarsi syndrome (20 feet) and in 2 feet from subjects without symptoms (controls). In 15 of the 20 patients and the two controls, the excised synovial membrane was studied histologically with staining by a modified Gairns gold chloride method. Numerous neural elements were observed in the sinus tarsi in all examined synovium. There were abundant free nerve endings and three types of mechanoreceptors: Pacinian corpuscles, Golgi corpuscles, and Ruffini corpuscles. Macroscopic observation and histological examination, using hematoxylin and eosin, in the other 5 patients revealed chronic synovitis in the sinus tarsi. Our findings suggest that the sinus tarsi is not only a talocalcaneal joint space but a source of nociceptive and proprioceptive information on the movement of the foot and ankle. Sinus tarsi syndrome may result from disorders of nociception and proprioception in the foot.
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Hirose K, Murakami G, Kura H, Tokita F, Ishii S. Cartilage degeneration in talocrural and talocalcaneal joints from Japanese cadaveric donors. J Orthop Sci 1999; 4:273-85. [PMID: 10436275 DOI: 10.1007/s007760050104] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
In a study human cadavers, degenerative change (DC) was observed more frequently on articular surfaces of the talocrural joint (55. 8%) than on the articular surfaces of the talocalcaneal joint (29. 5%). In the talocrural joint, the anteromedial segments of the tibial plafond, talar dome, and the medial malleolar facet exhibited a high frequency of DC. Moreover, most DCs were found to coexist in multiple segments that often included both the tibial and talar sides. In the talocalcaneal joint, by contrast, DC tended to be distributed diffusely over the articular surfaces. If the DC occurred initially and progressed to a cartilage defect, it tended to be restricted to a certain portion of the talocalcaneal joint. Mirror-image lesions were observed much less frequently than expected in both the talocrural (28.3%) and talocalcaneal joint (25. 0%). Notably, these lesions were not usually observed even if the DC had progressed to a cartilage defect. We considered that the DC tended to advance to the adjacent segment on the same side rather than to the complementary segment on the opposite side. We demonstrated that the more multiple DC lesions were present in the talocrural joint, the more often DC occurred in the talocalcaneal joint. Consequently, we believe than multiplicity of DCs is more critical for the downward joint-to-joint progression of DC than is increased severity.
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Ben Amor H, Kallel S, Karray S, Saadaoui F, Zouari M, Litaiem T, Douik M. [Consequences of tibiotalar arthrodesis on the foot. A retrospective study of 36 cases with 8.5 years of followup]. Acta Orthop Belg 1999; 65:48-56. [PMID: 10217002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
The authors report the results of a retrospective study of 36 cases of tibiotalar arthrodesis performed in 22 men and 14 women with an average age of 32 years. All patients were reviewed with an average of 8.5 years follow-up. The predominating etiologies were ankle osteoarthritis (15 cases) and neurologic deformities of the foot (13 cases). Arthrodesis was performed using the Meary technique in 60% of cases, using the Charnley technique in 20% and the Crawford-Adams technique or with clamps in the other cases. Fusion was obtained in 97% of cases. Long-term results were assessed using Duquennoy et al.'s scoring system. They were very good or good in 58% of cases, fair in 31% and poor in 11%. The study of distal repercussions of tibiotalar arthrodesis shows progressive deterioration of the subtalar joint in 70% of cases and appearance or increase of degenerative changes in 75% of cases. The final results of the procedure depend on this deterioration; the latter is related with the arthrodesis position. Midtalar joint is a compensation joint showing hypermobility in 40% of cases. Degenerative changes were limited and asymptomatic in 80% of cases. Based on the findings in this study and on the literature, we conclude that the foot should be fixed at 90 degrees or with less than 5 degrees of equinus, with 5 degrees of valgus and 10 to 15 degrees of external rotation.
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Mulcahy DM, McCormack DM, Stephens MM. Intra-articular calcaneal fractures: effect of open reduction and internal fixation on the contact characteristics of the subtalar joint. Foot Ankle Int 1998; 19:842-8. [PMID: 9872472 DOI: 10.1177/107110079801901209] [Citation(s) in RCA: 84] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Intra-articular calcaneal fractures are associated with significant long-term morbidity, and considerable controversy exists regarding the optimum method of treating them. The contact characteristics in the intact subtalar joint were determined at known loads and for different positions of the ankle and subtalar joint, using pressure-sensitive film (Super Low; Fuji, Itochu Canada Ltd, Montreal, Quebec). We measured the contact area to joint area ratio (pressure > 5 kg force/cm2 [kgf/cm2]) which normalizes for differences in joint size and the ratio of high pressure zone (>20 kgf/cm2) as a reflection of overall increase in joint pressure. Three simulated fracture patterns were then created and stabilized with either 1 or 2 mm of articular incongruity. Eight specimens were prepared with a primary fracture line through the posterior facet, eight with a joint depression-type fracture, and six with a central joint depression fracture. A measure of 1 to 2 mm of incongruity in the posterior facet for all three fracture patterns produced significant unloading of the depressed fragment, with a redistribution of the overall pattern of pressure distribution to parts of the facet that were previously unloaded.
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Howard CB, Porat S, Benson MK. Planovalgus and cavovarus deformity of the hind foot. THE JOURNAL OF BONE AND JOINT SURGERY. BRITISH VOLUME 1998; 80:744-5. [PMID: 9699849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Fellmann J, Zollinger H. [Subtalar arthrodesis--minimal resection technique]. SWISS SURGERY = SCHWEIZER CHIRURGIE = CHIRURGIE SUISSE = CHIRURGIA SVIZZERA 1998; 4:82-8. [PMID: 9587234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION This is a prospective clinical and radiological study of the treatment of talocalcaneal deformity or degeneration by a modified technique of isolated talocalcaneal fusion. METHODS Thirty-six patients were evaluated with clinical examination, plain dorso-plantar and oblique x-rays and CT-scan or magnetic resonance imaging in a follow-up of 32.5 months (range: 20-62). In 12 cases a posterior tibial tendon rupture with secondary osteoarthritis and in 24 cases a posttraumatic secondary osteoarthritis (18 calcaneal fractures, 3 talar fractures, 2 axial traumas with secondary talar necrosis and 1 rheumatoid arthritis with calcanear and talar fracture) were the indications for arthodesis. RESULTS On a visual analog pain scale the patients graded their pain preoperatively at 4.4 and postoperatively at 1.1. The subjective results showed in 12 cases (33.3%) complete satisfaction, in 10 cases (27.7%) satisfaction with minor reservation, in 11 cases (30.5%) satisfaction with major reservation and in 3 cases (8.5%) dissatisfaction. The overall objective results were excellent in 17 (47.2%), good in 11 (30.5%), fair in 6 (16.8%) and poor in 2 (5.5%) cases. A further advantage of this type of talocalcaneal fusion is the remaining range of motion in the neighbouring joints, at the ankle (in 75.7% the same or better ROM than preoperatively) and at Chopart joint (in 69.4% the same or better ROM than preoperatively). The fusion rate was high with 94.5%. CONCLUSION The modified isolated talocalcaneal fusion without disruption at the Chopart joint is a simple surgical technique in the hand of the experienced surgeon. The subjective and objective mid-term results of this prospective follow-up study are comparable to other technique described in literature.
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Helliwell P, Woodburn J. Juvenile chronic arthritis: diagnosis and management of tibio-talar and sub-talar disease. BRITISH JOURNAL OF RHEUMATOLOGY 1998; 37:579. [PMID: 9651089 DOI: 10.1093/rheumatology/37.5.579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Kitaoka HB, Patzer GL. Subtalar arthrodesis for posterior tibial tendon dysfunction and pes planus. Clin Orthop Relat Res 1997:187-94. [PMID: 9418639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Twenty-one patients (21 feet in 18 women and three men) who were treated with subtalar arthrodesis for posterior tibial tendon dysfunction and pes planus at an average age of 60 years (range, 44-75 years) were studied. Mean duration of symptoms was 3 years. All had realignment of the calcaneus in relation to the talus, and all had screw fixation without supplemental bone graft. Average followup was 3 years (range, 2-5 years). All patients had successful union. The tibiocalcaneal angle averaged 13 degrees +/- 3.1 degrees before operation and 6 degrees +/- 1.9 degrees after operation. The lateral talometatarsal, lateral talocalcaneal, and lateral tibiotalar angles all improved significantly. Arch height (navicular height) increase averaged 5 +/- 2.7 mm. Arch length (calcaneal-metatarsal) decrease averaged 4 +/- 3.2 mm. One complication occurred: delayed wound healing (excellent result). Clinical results were excellent in eight feet, good in eight, fair in four, and poor in one. Patients were satisfied with the operative result in 16 feet, satisfied with reservations in four, and dissatisfied with the operative results in one. Subtalar arthrodesis effectively corrects deformity, does not require bone graft, has a high union rate, and is associated with a low complication rate. However, 11 of the 21 patients continued to have some pain, and in patients with preexisting arthrosis of adjacent joints, symptoms may persist.
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Remedios D, Martin K, Kaplan G, Mitchell R, Woo P, Rooney M. Juvenile chronic arthritis: diagnosis and management of tibio-talar and sub-talar disease. BRITISH JOURNAL OF RHEUMATOLOGY 1997; 36:1214-7. [PMID: 9402868 DOI: 10.1093/rheumatology/36.11.1214] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The aim of this study was to compare clinical evaluation of the site of hindfoot synovitis with contrast-enhanced magnetic resonance imaging (MRI) findings in children with juvenile chronic arthritis (JCA), and to evaluate the efficacy of selective guided intra-articular steroid injections. Thirteen symptomatic ankles of 11 consecutive JCA patients were examined clinically and with contrast-enhanced MRI. Pannus was demonstrated on MRI in both tibio-talar and sub-talar joints in 10 ankles, in the tibio-talar joint only in one ankle and in neither joint in two ankles. Correlation of clinical and MRI findings was good for the tibio-talar joint with concordance in 11/13 cases. Correlation was poor for the sub-talar joints. Of the 10 sub-talar joints shown to have pannus on MRI, only two were thought to have had definite clinical evidence of synovitis. Guided intra-articular steroid injection resulted in at least 6 months remission in 6/9 ankles compared with 1/10 ankles which had had previous unguided injections. We therefore recommend the use of image guidance for intra-articular triamcinolone hexacetonide injection in children with hindfoot synovitis.
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