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PubMed2006

MR imaging: Arthropathies and infectious conditions of the elbow, wrist, and hand.

The superior soft tissue contrast and multiplanar capability of MR imaging has contributed to earlier diagnosis and implementation of effective treatment for a variety of arthropathies and infectious conditions of the elbow, wrist, and hand. Because of overlapping clinical signs and symptoms, MR imaging plays an important role in delineating the features and staging of each of these conditions. This article discusses the seropositive and seronegative inflammatory arthropathies, with emphasis on early detection and surveillance, as well as gout, synovial osteochondromatosis, pigmented villonodular synovitis, tenosynovitis, and de Quervain's tenosynovitis. Certain noninflammatory arthritides and infectious conditions are also reviewed.

Elbow Joint↗

PubMed2006

[Ultrasound features of entesopathy in patients with psoriatic dactylitis].

PURPOSE: To describe the sonographic features of entesopathy in patients with psoriatic dactylitis. Materials and methods. Clinical, radiographic and sonographic evaluation of 120 hand joints with clinical abnormality including 20 fingers in 17 patients with rheumatoid arthritis (RA) and 20 fingers in 17 patients with psoriatic arthritis (PA). RESULTS: Forty cases of dactylitis. In patients with RA: 29 cases of synovitis, 15 cases of tenosynovitis, and 2 cases of tendinitis; in patients with PA: 21 cases of synovitis and 3 cases of tenosynovitis. Bone erosions were present in RA patients whereas erosions with bone production were present in PA patients. A total of 60% of RA and PA patients showed erosions on conventional radiographs. Features suggesting entesopathy were present in PA patients only: specific changes of P3, capsular hyperostosis and periarticular periostitis. CONCLUSION: Based on evaluation of PA patients, it seems that sonographic features suggesting entesopathy in patients with dactylitis may be present.

Adult↗

PubMed2003

Long-term complications of distal radius bone grafts.

PURPOSE: To assess long-term results and complications of cancellous bone graft taken from the distal radius. METHODS: A total of 1670 cases of bone graft taken from the distal radius for various indications were reviewed retrospectively. The patients were evaluated for success of bone grafting and for the following complications: fracture through donor site, local infection, DeQuervain's tenosynovitis, and neuroma of the superficial radial nerve. RESULTS: The overall complication rate including bone graft failure within a mean follow-up period of 4.5 years was 4%. Bone graft failure required regrafting with iliac bone in 38 patients (2.3%). DeQuervain's tenosynovitis was noted in 21 patients (1.3%), local soft-tissue infection was noted in 3 patients (0.2)%, fracture through donor site was noted in 2 patients (0.1%), and superficial radial nerve neuromas were noted in 2 patients (0.1%). There were no cases of osteomyelitis. CONCLUSIONS: Bone grafting from the distal radius is effective with minimal complications and is a practical adjunct to reconstructive hand procedures.

Adolescent↗

PubMed1984

Tuberculosis of the hand and wrist.

Over the past 5 years we have encountered 11 cases of Mycobacterium tuberculosis of the hand and wrist. The most striking feature of this series was the delay between the onset of symptoms and the correct diagnosis. Many patients had a diagnosis of rheumatoid arthritis or nonspecific synovitis prior to the diagnosis of tuberculosis. There was a striking lack of pulmonary symptoms. Only two patients had a prior history of tuberculosis and only one had significant pulmonary involvement. Most had tenosynovitis involving the flexors or extensors. Three had tenosynovitis and arthritis whereas one had only tuberculous arthritis. Two patients had carpal tunnel syndrome as a result of carpal canal involvement. Ten of the 11 patients had apparent cures of tuberculosis subsequent to surgical debridement and antituberculosis therapy.

Adult↗

PubMed1988

Long-term results after tenosynovectomy to treat the rheumatoid hand.

To be effective as a prophylactic procedure, tenosynovectomy to treat rheumatoid hand has to be done before there is significant tendon damage. Tenosynovectomy is usually considered to prevent subsequent tendon rupture and recurrent tenosynovitis. We reviewed the results of all tenosynovectomies done at the Dartmouth-Hitchcock Medical Center from 1968 to 1983. One hundred seventy-three procedures were done for 125 patients. Fifty percent of patients who had prophylactic tenosynovectomy demonstrated tendon invasion. Examination at a mean of 70 months after 129 procedures showed extensor tendon failure in 1 patient of 44 who had normal tendons, 1 of 42 with invaded tendons, and in 3 of 43 who had ruptured tendons at the time of original surgery. Seven patients had recurrent tenosynovitis.

Arthritis, Rheumatoid↗

PubMed2000

Remitting asymmetrical pitting oedema in systemic lupus erythematosus: two cases studied with magnetic resonance imaging.

To our knowledge, only three cases of remitting symmetrical pitting oedema in systemic lupus erythematosus have been reported so far. This is the first report of two patients with asymmetrical pitting oedema and systemic lupus erythematosus. The first patient presented two consecutive episodes of unilateral oedema. The first episode involved the distal part of the right lower extremity and remitted spontaneously while the second involved the volar region of the left wrist and distal half of the forearm and promptly responded to steroids. Magnetic resonance imaging of the left wrist and forearm showed tenosynovitis of the flexor tendons and subcutaneous oedema. The second patient instead developed a single episode of pitting oedema of the distal part of the right lower extremity that resolved spontaneously. Magnetic resonance imaging of the right ankle and foot showed subcutaneous oedema without involvement of the tendon sheaths or osteoarticular and ligamental structures. These two cases suggest that pitting oedema in systemic lupus erythematosus may occasionally be asymmetric and associated or not with tenosynovitis.

Adult↗

PubMed2002

The role of matrix metalloproteinases in rheumatoid tendon disease.

In rheumatoid arthritis (RA) invasive tenosynovitis is associated with an increase in tendon rupture, although little is known about the mechanisms involved. We obtained specimens of noninvasive encapsulating tenosynovium, invasive tenosynovium, and wrist joint synovium from 28 rheumatoid patients. In vitro production of the matrix metalloproteinase (MMP) enzymes, MMP-8 and -9, and total collagenase activity were measured. Invasive tenosynovium produced highest levels of the collagenase MMP-8 and displayed significantly greater ability to degrade collagen type I than encapsulating tenosynovium. Levels of the gelatinase enzyme MMP-9 were similar in all groups. These results show that invasive tenosynovium is more destructive than encapsulating tenosynovium at a molecular level, providing an explanation for the increased tendon rupture associated with invasive tenosynovitis in RA.

Adult↗

PubMed1994

Infections due to nontuberculous mycobacteria in kidney, heart, and liver transplant recipients.

Infections due to nontuberculous mycobacteria (NTM) in solid-organ transplant recipients are infrequent but may be a major cause of morbidity. We describe four cases of NTM infection in solid-organ transplant recipients. The manifestations included a nodule secondary to Mycobacterium kansasii infection in a heart transplant recipient, a cutaneous lesion and a pulmonary nodule secondary to M. kansasii infection in a renal transplant recipient, tenosynovitis secondary to Mycobacterium chelonae infection in a renal transplant recipient, and cutaneous lesions secondary to M. chelonae infection in a liver transplant recipient. We also summarize previously reported cases of NTM infections in solid-organ transplant recipients; common manifestations of NTM infections in solid-organ transplant recipients include cutaneous lesions of the extremities, tenosynovitis, and joint infection. Histopathologic examination of aspirates or biopsy specimens from involved areas and staining and culture for mycobacteria are essential for diagnosis. Treatment of NTM infection most commonly involves surgery, reduction in doses of immunosuppressive medications, and/or therapy with antimycobacterial medications; these treatments are often associated with a good outcome.

Adult↗

PubMed1998

Acral myxoinflammatory fibroblastic sarcoma: a low-grade tumor of the hands and feet.

Acral myxoinflammatory fibroblastic sarcoma is a unique low-grade tumor of modified fibroblasts. It characteristically occurs in the distal extremities and has a propensity to recur locally. Forty-four cases that occurred in 22 males and 22 females from 20 to 91 years of age (median, 53 years) were studied. The lesions, which were 1-6 cm (median, 3 cm), occurred in the hands (64%), the feet (20%), the ankles (11%), and the wrists (5%). The patients usually had a long history of a painless mass (median duration, 1 year). Clinically they were suspected to be ganglion cysts, tenosyonovitis, or giant cell tumors of tendon sheath. Initial histologic diagnoses, in most cases, included pigmented villonodular tenosynovitis or various reactive fibroinflammatory processes. Histologically, the lesions were multinodular, poorly delineated, and characterized by a prominent myxoid matrix containing numerous inflammatory cells, including polymorphonuclear leukocytes, eosinophils, lymphocytes, and plasma cells, as well as fibrosis. Amidst the prominent inflammation, and sometimes obscured by it, were scattered, large, bizarre tumor cells with vesicular nuclei, prominent inclusion-like nucleoli, and abundant eosinophilic cytoplasm, which was homogeneous to vacuolated and often contained intracytoplasmic inflammatory cells. Ultrastructurally, the bizarre tumor cells had features of modified fibroblasts, including an abundance of intermediate filaments and dilated rough endoplasmic reticulum. Immunohistochemically, the neoplastic cells revealed strong positivity for vimentin (25 of 25), focal positivity for CD68 antigen (17 of 25) and CD34 (7 of 25); the tumor cells did not express neuroectodermal, epithelial, or lymphoid markers. The Ki67 labeling index with MIB1 was less than 1% in 20 of 25 cases; p53 immunoreactivity (20-90%) was observed in 7 of 25 primary tumors and in 2 of 3 local recurrences. Follow-up information was available in 36 of 44 cases (median, 5 years). Most excisions were either intralesional or marginal. Ten patients underwent amputation, usually after repeated local recurrences. Radiation therapy and chemotherapy were administered in five and two cases, respectively. Twenty-four cases (67%) had at least one local recurrence. A histologically proven lymph node metastasis developed in one patient, whereas another was stated to have lung metastases, although these were not documented histologically. At last follow-up, 23 patients were alive and well, 11 were alive with disease, and 2 were dead of other causes without evidence of tumor. The prominent inflammation and fibrosis seen histologically in acral myxoinflammatory fibroblastic sarcoma simulate a reactive process. The presence of myxoid foci and scattered bizarre cells, which are occasionally multivacuolated, may cause confusion with malignant fibrous histiocytoma and liposarcoma. Based on the protracted clinical course, a high rate of local recurrence (sometimes necessitating amputation), and a low rate of metastasis, we believe these tumors are low-grade sarcomas. The intimate relationship with the synovium, the frequent association with tenosynovitis, and the prominent inflammatory infiltrate suggest that inflammation may play a role in the pathogenesis of acral myxoinflammatory fibroblastic sarcoma.

Adult↗

PubMed1991

Arthritis due to tuberculosis, fungal infections, and parasites.

Tuberculous, fungal, and parasitic infections infect millions of people throughout the world. While other problems usually overshadow their rheumatologic manifestations, nearly all these infections can involve bone or joints and may on occasion present with rheumatologic symptoms. The classic model of these diseases presenting as chronic monoarticular arthritis is still generally valid but other presentations, such as tenosynovitis with atypical mycobacterial infections, erythema nodosum with leprosy, coccidioidomycosis and histoplasmosis, and reactive arthritis with schistosomiasis and helminthic infections, are now well established. The most dramatic change in the epidemiology of tuberculous infections in recent years is the increasing incidence in patients with the acquired immunodeficiency syndrome (AIDS). Mycobacterium avium complex infections in particular have increased dramatically and are a major problem in the later stages of AIDS. Reports of septic arthritis and tenosynovitis due to M. avium are likely to increase over the next few years.

Arthritis, Infectious↗

PubMed1993

Nodules, eosinophilia, rheumatism, dermatitis and swelling (NERDS): a novel eosinophilic disorder.

This study presents the clinical and laboratory findings of a novel syndrome associated with eosinophilia. Two young women presented with marked eosinophilia, and large, non-tender compressible articular nodules arising from the tenosynovium of extensor tendons, dermatitis, episodic swelling of the hands and/or feet and pain in adjacent muscles and joints. Tissue specimens were examined by routine haematoxylin and eosin staining, immunofluorescent staining for eosinophil granule major basic protein (MBP) and rhodamine-avidin or tryptase staining for mast cells. Plasma levels of MBP and eosinophil-derived neurotoxin (EDN) were quantitated by immunoassay. The first patient presented in 1967 at the age of 20 and had, in addition to nodules and eosinophilia, dermographism, recurrent episcleritis and axillary urticaria. Biopsy of a nodule showed tenosynovitis with necrotizing granulomas, non-specific vasculitis, eosinophils and eosinophil degranulation as shown by extracellular deposition of eosinophil granule MBP. Her symptoms responded to low-dose, alternate-day prednisone and have remained quiescent over the past 15 yr. The second patient presented in 1990 at the age of 28 with generalized pruritic dermatitis for 15 yr, eosinophilia for 2 yr, subcutaneous nodules and non-limiting pain in several joints. Biopsy of a nodule showed chronic mild tenosynovitis, numerous eosinophils and extracellular deposition of MBP. She remains untreated. Serum IgE values and plasma levels of MBP and EDN were elevated in both patients; mast cells were numerous in their synovial tissue. Based on their clinical courses, these patients reveal the existence of a distinctive, relatively benign eosinophilic disorder with good long-term prognosis.

Adult↗

PubMed2005

Interobserver reliability in musculoskeletal ultrasonography: results from a "Teach the Teachers" rheumatologist course.

OBJECTIVE: To assess the interobserver reliability of the main periarticular and intra-articular ultrasonographic pathologies and to establish the principal disagreements on scanning technique and diagnostic criteria between a group of experts in musculoskeletal ultrasonography. METHODS: The shoulder, wrist/hand, ankle/foot, or knee of 24 patients with rheumatic diseases were evaluated by 23 musculoskeletal ultrasound experts from different European countries randomly assigned to six groups. The participants did not reach consensus on scanning method or diagnostic criteria before the investigation. They were unaware of the patients' clinical and imaging data. The experts from each group undertook a blinded ultrasound examination of the four anatomical regions. The ultrasound investigation included the presence/absence of joint effusion/synovitis, bony cortex abnormalities, tenosynovitis, tendon lesions, bursitis, and power Doppler signal. Afterwards they compared the ultrasound findings and re-examined the patients together while discussing their results. RESULTS: Overall agreements were 91% for joint effusion/synovitis and tendon lesions, 87% for cortical abnormalities, 84% for tenosynovitis, 83.5% for bursitis, and 83% for power Doppler signal; kappa values were good for the wrist/hand and knee (0.61 and 0.60) and fair for the shoulder and ankle/foot (0.50 and 0.54). The principal differences in scanning method and diagnostic criteria between experts were related to dynamic examination, definition of tendon lesions, and pathological v physiological fluid within joints, tendon sheaths, and bursae. CONCLUSIONS: Musculoskeletal ultrasound has a moderate to good interobserver reliability. Further consensus on standardisation of scanning technique and diagnostic criteria is necessary to improve musculoskeletal ultrasonography reproducibility.

Adult↗

PubMed1999

Percutaneous A1 Pulley Release a Clinical Study.

Percutaneous A1 pulley release is being increasingly used as an alternative to open surgical release and injection of local steroids for the treatment of the trigger digit. In 31 cases (26 patients), a percutaneous release was performed with a 14-gauge intravenous catheter needle under local anaesthesia in the outpatient setting. We report a 97% successful release and only one case of incomplete release. There were no digital nerve injuries, flexor tendon injuries, bowstringing or infections. By two months, all the patients had no pain at the operative site, and their preoperative range of motion had returned or improved. The percutaneous release is a safe and effective technique which provides significant cost savings. We recommend the percutaneous technique for typical cases of trigger finger with a palpable nodule and reproducible mechanical triggering. We recommend a steroid injection for patients with tenosynovitis and those who do not have reproducible triggering at the time of presentation. The open technique is reserved for complicated cases such as florid tenosynovitis, locked digit, failed percutaneous release or those involving the thumb.

Journal Article↗

PubMed1998

Flexor hallucis longus tendon injury in dancers and nondancers.

Thirty-one cases of flexor hallucis longus injuries in 26 patients were treated over a 16-year period (1977-1993). Groups were divided into dance-related injuries (group I) and other causes (group II). The two groups were compared with regard to age, activity, duration of symptoms, operative findings, histopathology, and postoperative time to resumption of full activities. Twenty-seven cases required surgery for unsuccessful nonoperative treatment. In group I, 71% of patients had a partial longitudinal tear of the flexor hallucis longus compared with 30% in group II. Another common finding was isolated tenosynovitis (21% in group I and 53% in group II). Eight cases had magnetic resonance imaging (MRI) evaluations before surgery. Clinical correlation was found to be an important factor in interpreting the MRI. Dancers tended to have symptoms for a longer period of time before seeking treatment than did nondancers. Follow-up was 19.2 months for dancers and 25 months for nondancers. Surgical correction of tenosynovitis, pseudocyst, and tendon tear yielded good or excellent results in 14 of 15 dancers and 9 of 11 nondancers. Surgical treatment of tendon tears and other pathologic tendon conditions gave consistently good results in patients with refractory flexor hallucis longus disease.

Adolescent↗

PubMed2006

Psoriatic arthritis and rheumatoid arthritis: findings in contrast-enhanced MRI.

OBJECTIVE: Our objective was to define typical MRI findings of the wrist and the hand in patients with psoriatic arthritis (PsA) and rheumatoid arthritis (RA). MATERIALS AND METHODS: Eighteen PsA and 21 RA patients with arthralgia of the wrist or hand joints underwent gadolinium-enhanced MRI of the wrist and hand. Two experienced radiologists interpreted abnormalities in consensus with respect to periarticular soft-tissue swelling, synovitis with or without effusion, periostitis, bone edema, bone erosions, bone cysts, and tenosynovitis. The distribution of the abnormalities also was evaluated. RESULTS: Erosions were statistically more frequent in patients with RA (p < 0.05). Periostitis was statistically seen more frequently in patients with PsA (p < 0.05). No statistically significant difference was found in the frequency of synovitis, bone marrow edema, bone cysts, and tenosynovitis between the two groups (p > 0.05). The radiocarpal joint, the midcarpal joints, the carpometacarpal joints, and the metacarpophalangeal joints were significantly affected more frequently in patients with RA than in patients with PsA (p < 0.05), whereas the proximal interphalangeal joints were significantly more frequently affected in patients with PsA (p < 0.05). CONCLUSION: Periostitis and synovitis of the proximal interphalangeal joints are typical MRI findings in patients with PsA, whereas synovitis with erosions of the wrist, the midcarpal joints, the carpometacarpal joints, and the metacarpophalangeal joints are typical findings in patients with RA.

Adult↗

PubMed1987

Peroneal tendon injury associated with calcaneal fractures: CT findings.

Injury to the peroneal tendons is one of the major long-term complications of intraarticular calcaneal fractures and heretofore has been difficult to diagnose by noninvasive radiography. Retrospective review of CT scans of 24 intraarticular calcaneal fractures, obtained shortly after injury, identified 22 cases (92%) of acute peroneal tendon abnormalities. In most of these cases, multiple findings were present. These included lateral displacement in 14 (58%) of 24, impingement by bony fragments in eight (33%), subluxation or dislocation in six (25%), soft-tissue masses around the tendons representing hematomas or early scar tissue in five (21%), and entrapment of the tendons in three (13%). In 10 cases with long-term follow-up, impingement on the tendons by bony fragments correlated well with the subsequent development of peroneal tenosynovitis, while hematoma around the tendons or lateral displacement of the tendons was clinically insignificant. Thus, CT in the immediate postfracture period, can be used to detect and categorize acute peroneal tendon injuries as well as possibly to predict the likelihood and nature of subsequent development of peroneal tenosynovitis.

Calcaneus↗

PubMed2001

Osteomyelitis of the sustentaculum tali in horses: 10 cases (1992-1998).

OBJECTIVE: To determine outcome of horses with osteomyelitis of the sustentaculum tali (ST), with or without associated tarsal sheath tenosynovitis, following surgical debridement and lavage. DESIGN: Retrospective study. ANIMALS: 10 horses in which a diagnosis of osteomyelitis of the ST had been made on the basis of history, physical examination findings, and results of radiography. PROCEDURE: Information on results of diagnostic testing, surgical findings, postoperative treatment, and short-term outcome was obtained from the medical records. Long-term follow-up information was obtained through reevaluation of horses at the teaching hospital and telephone conversations with referring veterinarians, owners, and trainers. RESULTS: Treatment consisted of surgical debridement, intra- and postoperative lavage, and long-term antimicrobial and anti-inflammatory treatment. Eight horses had evidence of involvement of the tarsal sheath. One horse was euthanatized after surgery because of a lack of response to treatment; the other 9 were discharged from the hospital. Severity of lameness had improved, but all still had grade-1 or -2 lameness at the time of discharge. One horse was euthanatized after discharge because of contralateral hind limb laminitis, and another horse was lost to follow-up. Of the remaining 7 horses, 6 returned to their previous use, and 1 was sound but retired for breeding for unrelated reasons. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggest that horses with osteomyelitis of the ST, with or without concomitant tarsal sheath tenosynovitis, can have an excellent to good outcome and may return to their previous use after surgical debridement of affected tissues and lavage of the tarsal sheath.

Animals↗

PubMed1997

Proximal bursitis in active polymyalgia rheumatica.

BACKGROUND: The cause of musculoskeletal symptoms in the proximal extremities of patients who have polymyalgia rheumatica is not completely understood. The diffuse and severe discomfort can only be partially explained by the mild joint synovitis that is observed in these patients. OBJECTIVE: To determine the involvement of the synovial structures of the shoulder girdle of patients who have active symptoms of polymyalgia rheumatica. DESIGN: Case-control study. SETTING: 2 secondary referral centers of rheumatology. PATIENTS: 13 case-patients who had active symptoms of polymyalgia rheumatica seen during a 6-month period, 9 control-patients who had early symptoms of elderly-onset rheumatoid arthritis, and 10 age-matched healthy controls. MEASUREMENTS: Magnetic resonance imaging of the shoulder was done on the 13 case-patients, 9 control-patients, and 10 healthy controls. RESULTS: The frequency of subacromial and subdeltoid bursitis was significantly higher in the case-patients (who had polymyalgia rheumatica) than in the control-patients (who had elderly-onset rheumatoid arthritis). The frequencies of synovitis of the joints and tenosynovitis of the biceps did not significantly differ between the 13 case-patients and the 9 control-patients. None of the healthy controls showed evidence of fluid accumulation in the joints, bursae, or sheaths of the long head of the biceps. CONCLUSIONS: Inflammation of subacromial and subdeltoid bursae in association with synovitis of the glenohumeral joints and tenosynovitis of the biceps may contribute to the diffuse discomfort in the shoulder girdle observed in patients with polymyalgia rheumatica.

Aged↗