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The diagnostic pathway to sarcoidosis
Marc A Judson1, Bruce W Thompson, David L Rabin
1Division of Pulmonary and Critical Care Medicine, Medical University of South Carolina, Charleston 29425, USA. judsonma@MUSC.edu
Chest
|February 11, 2003
Summary
Diagnosing sarcoidosis often takes longer than six months, especially with pulmonary symptoms. Skin symptoms, however, can lead to a quicker diagnosis of this complex condition.
Area of Science:
- Pulmonary Medicine
- Rheumatology
- Immunology
Background:
- Sarcoidosis is a multisystem inflammatory disease of unknown etiology.
- Diagnosis often involves a delay due to nonspecific symptoms.
Purpose of the Study:
- To investigate the time interval between the initial physician visit and the diagnosis of sarcoidosis.
- To identify factors influencing diagnostic delay in sarcoidosis.
Main Methods:
- Utilized data from the Case Control Etiology of Sarcoidosis Study (ACCESS).
- Included patients with biopsy-confirmed sarcoidosis.
- Collected data on symptom onset, physician visits, and physician types.
Main Results:
- Only 15.3% of sarcoidosis diagnoses occurred during the first physician visit.
- Pulmonary symptoms were linked to longer diagnostic times (>6 months) and more physician visits.
- Skin symptoms were associated with shorter diagnostic times (≤6 months).
- Higher Scadding radiographic stages correlated with delayed diagnosis.
Conclusions:
- Sarcoidosis diagnosis is frequently delayed, primarily due to disease presentation rather than patient or physician factors.
- Pulmonary symptoms and advanced radiographic stages prolong diagnosis.
- Early diagnosis is more common with skin manifestations.