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Updated: May 31, 2026

Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
Undifferentiated connective tissue disease with pulmonary involvement.
P Arjun1, K A Ameer, S Sasikumar
1Dept. of Internal Medicine, Kerala Institute of Medical Sciences, Trivandrum.
Pulmonary involvement is common in connective tissue diseases. This case highlights lung disease in Undifferentiated Connective Tissue Disease (UCTD), a less recognized condition.
Area of Science:
- Rheumatology
- Pulmonology
- Internal Medicine
Background:
- Collagen vascular diseases frequently affect the lungs.
- Pulmonary involvement is well-documented in dyscollagenoses and mixed connective tissue diseases (MCTD).
- Undifferentiated Connective Tissue Disease (UCTD) is a less commonly recognized entity that can also manifest with lung issues.
Observation:
- A case study of a young male patient is presented.
- The patient was diagnosed with lung involvement.
- The lung condition was found to be secondary to UCTD.
Findings:
- This case demonstrates that Undifferentiated Connective Tissue Disease (UCTD) can lead to pulmonary complications.
- It underscores the importance of considering UCTD in the differential diagnosis of lung disease in young individuals.
Implications:
- Recognizing pulmonary involvement in UCTD is crucial for timely diagnosis and management.
- Further research into UCTD and its extrapulmonary manifestations is warranted.
- This case contributes to the understanding of the spectrum of lung diseases associated with connective tissue disorders.
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