Undifferentiated connective tissue disease overview: Difference between revisions
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==Diagnosis== | ==Diagnosis== | ||
===History and Symptoms=== | ===History and Symptoms=== | ||
Patients with undifferentiated connective tissue disease (UCTD) may have a positive history of [[Raynaud's phenomenon]], [[arthritis]], [[photosensitivity]], [[Sicca syndrome|sicca symptoms]], [[pleuritis]]/[[pericarditis]]. The common symptoms of UCTD include [[arthralgia]], [[dry eyes]], [[rash]], [[photosensitivity]] and [[dry mouth]]. Less common symptoms of UCTD include [[fever]], [[pleuritic chest pain]] and [[seizures]]. | |||
===Physical Examination=== | ===Physical Examination=== | ||
===Laboratory Findings=== | ===Laboratory Findings=== | ||
Laboratory findings suggestive of undifferentiated connective tissue disease include [[Leukopenia]],increased [[erythrocyte sedimentation rate]], [[C-reactive protein]], [[Antinuclear antibodies]], anti DNA antibodies, anti Ro/SSA antibodies and anti-RNP antibodies. | |||
===CT scan=== | ===CT scan=== | ||
There are no CT scan findings associated specifically with undifferentiated connective tissue disease. | |||
===MRI=== | ===MRI=== | ||
There are no MRI findings associated specifically with undifferentiated connective tissue disease. | |||
===Other Imaging Findings=== | ===Other Imaging Findings=== | ||
There are no other imaging findings associated specifically with undifferentiated connective tissue disease. | |||
===Other Diagnostic Studies=== | ===Other Diagnostic Studies=== | ||
There are no other diagnostic studies associated specifically with undifferentiated connective tissue disease. | |||
==Treatment== | ==Treatment== | ||
===Medical Therapy=== | ===Medical Therapy=== | ||
The pharmacologic medical therapy is recommended based on the rheumatic disease pattern manifested by the patient such as [[methotrexate]] in those exhibiting [[arthritis]] and [[dermatitis]]. Supportive therapy includes; avoiding cold exposure in those experiencing [[Raynaud's phenomenon]], avoiding sun in [[photosensitivity]], [[Non-steroidal anti-inflammatory drug|non-steroidal anti-inflammatory drugs]] for pain control, [[sunscreen]] used for [[photosensitivity]], and [[emollients]] for dry skin, rash. | |||
===Surgery=== | ===Surgery=== | ||
The mainstay of treatment for undifferentiated connective tissue disorder is medical therapy. Surgery is rarely needed for patients for surgical biopsy in case of diagnosis.The feasibility of surgery depends on the prognosis at diagnosis. | |||
===Prevention=== | ===Prevention=== | ||
There are no established measures for the prevention of undifferentiated connective tissue disease. | |||
==References== | ==References== | ||
Revision as of 21:48, 30 April 2018
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief:
Overview
Historical Perspective
Undifferentiated connective tissue disease(UCTD) was first explored by LeRoy et al in 1980.
Classification
Undifferentiated connective tissue disorder(UCTD) are actually a group of disorders that are unclassified in other connective tissue disorders. UCTD may be classified according to criteria developed by American College of Rheumatology(ACR) and European League Against Rheumatism(EULAR) : early Raynaud's phenomenon, early inflammatory arthritis that is not classified as rheumatoid arthritis, some manifestations same as that of inflammatory myopathy, systemic lupus erythematosus, Sjögren's syndrome, vasculitis, serositis, or interstitial lung disease which don't meet diagnostic criteria for each of them and early scleroderma.
Pathophysiology
The exact pathogenesis of undifferentiated connective tissue disorder(UCTD) is not fully understood. It is understood that UCTD is the result of autoimmune process and occurs in phases: Initial phase: which is asymptomatic and absence of auto-antibodies and second phase with the presence of auto-antibodies. The second phase is usually triggered by the environmental factors, such as infection. Auto-antibodies appear before the symptoms of the disease.The time between the two is variable. Autoantibodies usually seen in UCTD with positive correlation are antibodies against C1q ,Anti heat shock protein(hsp)-65, Anti hsp 60. The clinical picture involves the overlap of symptoms of other rheumatological disease but not completing the criteria of their diagnosis. More studies are needed to find the pathogenesis of UCTD.
Causes
The cause of undifferentiated connective tissue disease has not been identified.
Differentiating Xyz from Other Diseases
UCTD is differentiated with other causes of arthritis and rash such as SLE, Sjögren's syndrome, Rheumatoid arthritis.
Epidemiology and Demographics
Risk Factors
There are no established risk factors for UCTD.
Screening
There is insufficient evidence to recommend routine screening for undifferentiated connective tissue disease.
Natural History, Complications, and Prognosis
The symptoms of undifferentiated connective tissue disease(UCTD) usually are similar to connective tissue diseases but couldn't complete the criteria for their definitive diagnosis. If left untreated, 24.3-33% of patients with UCTD may progress to develop manifestations of well defined connective tissue disease such as systemic lupus erythematosus, rheumatoid arthritis, Sjögren's syndrome. Common complications of UCTD include Interstitial lung disease- Non specific interstitial pneumonia, atherosclerosis. Depending on the extent of the UCTD at the time of diagnosis, the prognosis may vary. However, the prognosis is generally regarded as good. The presence of interstitial lung disease is associated with a particularly good prognosis among patients with UCTD rather than being idiopathic.
Diagnosis
History and Symptoms
Patients with undifferentiated connective tissue disease (UCTD) may have a positive history of Raynaud's phenomenon, arthritis, photosensitivity, sicca symptoms, pleuritis/pericarditis. The common symptoms of UCTD include arthralgia, dry eyes, rash, photosensitivity and dry mouth. Less common symptoms of UCTD include fever, pleuritic chest pain and seizures.
Physical Examination
Laboratory Findings
Laboratory findings suggestive of undifferentiated connective tissue disease include Leukopenia,increased erythrocyte sedimentation rate, C-reactive protein, Antinuclear antibodies, anti DNA antibodies, anti Ro/SSA antibodies and anti-RNP antibodies.
CT scan
There are no CT scan findings associated specifically with undifferentiated connective tissue disease.
MRI
There are no MRI findings associated specifically with undifferentiated connective tissue disease.
Other Imaging Findings
There are no other imaging findings associated specifically with undifferentiated connective tissue disease.
Other Diagnostic Studies
There are no other diagnostic studies associated specifically with undifferentiated connective tissue disease.
Treatment
Medical Therapy
The pharmacologic medical therapy is recommended based on the rheumatic disease pattern manifested by the patient such as methotrexate in those exhibiting arthritis and dermatitis. Supportive therapy includes; avoiding cold exposure in those experiencing Raynaud's phenomenon, avoiding sun in photosensitivity, non-steroidal anti-inflammatory drugs for pain control, sunscreen used for photosensitivity, and emollients for dry skin, rash.
Surgery
The mainstay of treatment for undifferentiated connective tissue disorder is medical therapy. Surgery is rarely needed for patients for surgical biopsy in case of diagnosis.The feasibility of surgery depends on the prognosis at diagnosis.
Prevention
There are no established measures for the prevention of undifferentiated connective tissue disease.